LTC2977 8-Channel Power System Manager with …...OPEN Allows Faults to Propagate Between Boards....
Transcript of LTC2977 8-Channel Power System Manager with …...OPEN Allows Faults to Propagate Between Boards....
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DEMO MANUAL DC1540B
DESCRIPTION
LTC2977 8-Channel Power System Manager
with EEPROM
The DC1540B is a demonstration system for the LTC®2977 8-channel I2C/SMBus/PMBus Power System Manager with EEPROM. It consists of 2 circuit boards namely the DC1360B and DC1361B. The DC1360B contains all the circuitry needed to insert the LTC2977 into a power system and control eight power supplies. The DC1361B contains eight power supplies (LTM4603EV) which are configured to be controlled by an LTC2977. Together these two boards form a sophisticated, 8-channel, digitally programmable power supply.
This demonstration system is supported by LTpowerPlay™ software and a graphical user interface (GUI) that enables complete control of all the LTC2977 features. You can obtain this GUI from the website www.linear.com/ltpowerplay.com. LTpowerPlay and the DC1540B, create a powerful development environment in which you can design config-uration settings for the LTC2977. The configuration settings can be stored in the LTC2977 EEPROM and also in a file, which can be used to order pre-programmed devices. LTpowerPlay displays all of the configuration settings and real-time measurements that the LTC2977 performs and allows easy access to the fault log created by the LTC2977. The LTC2977 on the DC1360B comes pre-programmed with EEPROM values appropriate for the eight power supplies used on the DC1361B.
The LTC2977 can be configured to monitor current on odd numbered channels. In the DC1540B, this feature can be enabled on Channel 7 (see “Measur-ing Current”). Channels 1 and 2 can be configured to do coincident tracking of Channel 0 by using JP2 and JP3 (see “DC1361B Details – Top Side”). An LTC Hot Swap™ circuit on the DC1361B enables the LTC2977 to soft-start VIN and shut off VIN in response to output faults.
Multiple DC1540Bs can be cascaded together to form a high channel count power supply (see “Multi-Board Arrays”). This configuration demonstrates features of the LTC2977 which allow timing and fault information to be
L, LT, LTC, LTM, Linear Technology, and the Linear logo are registered trademarks and LTpowerPlay and Hot Swap are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.
shared across multiple LTC2977s, allowing the formation of a single, coherent power supply control system. This configuration is easily supported by the LTpowerPlay GUI and allows the user to configure up to 9 LTC2977s, controlling up to 72 separate power supplies.
To get this demo system up and running, connect the DC1540B to your computer using a DC1427A or a DC1613 (USB to I2C/SMBus/PMBus Controller). The following is a checklist of items which you can obtain from the LTC website or LTC Field Sales. n USB to I2C/SMBus/PMBus Controller (DC1613A) n LTpowerPlay GUI n LTC2977 Resistor Selection Tool for calculating
resistors values and proper DAC range settings (in the GUI)
LTC2977 Features• I2C/SMBus Communication• Configuration EEPROM• PMBus Compliant• Fault Logging to Internal EEPROM• Differential Input, 16-bit ∆S ADC with less than ±0.25%
of Total Unadjusted Error Using On-Chip Reference• Monitors Eight Output Channels and One Input Voltage• Programmable Watchdog Timer• 8-Channel Sequencer• Eight 10-Bit OV/UV Supervisors • Eight 10-Bit Margin/Trim DAC’s with Soft-Connect• A Closed-Loop Digital Servo Accurately Trims the Outputs• Supports Multi-Channel Fault Management• Programmable Fault Responses• On-Chip Digital Temperature Sensor
Design files for this circuit board are available at http://www.linear.com/demo
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DEMO MANUAL DC1540B
Table 1. LTC2977 Performance Summary (Specifications are at TA = 25°C)
PARAMETER CONDITION VALUE
VPWR Supply Input Voltage Range 4.5V to 15V
VDD33 Supply Input Voltage Range 3.13V to 3.47V
ADC Total Unadjusted Error VIN ≥ 1V ±0.25%
ADC Voltage Sensing Input Range –0.1V to 6V
ADC Current Sensing Input Range –170mV to 170mV
ADC Voltage Sensing Resolution 0V ≤ VIN_ADC ≤ 6V 122µV/LSB
ADC Current Sense Resolution 0mV <|VIN_ADC| < 16mV 16mV <|VIN_ADC| < 32mV 32mV <|VIN_ADC| < 63.9mV 63.9mV <|VIN_ADC| <127.9mV 127.9mV <|VIN_ADC|
15.6µV/LSB 31.25µV/LSB 62.5µV/LSB 125µV/LSB 250µV/LSB
Voltage Buffered IDAC Resolution 10 bits
Buffer gain setting 0 1.38mV/LSB
Buffer gain setting 1 2.65mV/LSB
Temperature Sensor TUE ±1°C
Voltage Supervisor Input Voltage Range (Programmable)
VSENSEP[n] Low resolution 0 to 6V
High resolution 0 to 3.8V
VSENSEM[n] –0.1 to 0.1V
Voltage Supervisor Sensing Resolution 0V to 3.8V range: 4.096/1024 4mV/LSB
0V to 6V range: 8.192/1024 8mV/LSB
Voltage Supervisor Total Unadjusted Error
2V < VIN_VS < 6V, Low Resolution Mode ±1.25 %
1.5V < VIN_VS < 3.8V, High Resolution Mode ±1.0 %
0.8V < VIN_VS < 1.5V, High Resolution Mode ±1.5 %
I2C Serial Clock Frequency 10kHz to 400kHz
Demo System Specifications
Table 2. Specifications-DC1361B
VOUT Name Nominal Voltage-Untrimmed
VOUT_0 3.325V ± 1.5%
VOUT_1 2.497V ± 1.5%
VOUT_2 1.989V ± 1.5%
VOUT_3 1.804V ± 1.5%
VOUT_4 1.502V ± 1.5%
VOUT_5 1.200V ± 1.5%
VOUT_6 0.999V ± 1.5%
VOUT_7 0.799V ± 1.5%
Notes:
• Load current less than 2A on each output is recommended.
• Max current into J11 (+12V) should be < 6A max.
• Output voltages can be margined by a minimum of ±15% from nominal with the default resistor values on the DC1361B. These values can be easily changed. See section Changing DC1361B Nominal Output Volt-ages. Use the LTC2977 Resistor Selection Tool which is accessed from LTpowerPlay.
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DEMO MANUAL DC1540B
Figure 1. Single LTC2977 Demo Setup Using DC1540B
Demo System Hardware
Hardware required:
1. PC + USB cable
2. 12V, >0.5A power supply
3. USB to I2C/SMBus/PMBus Controller
4. DC1540B = DC1360B + DC1361B
DOWNLOAD GUI TO YOUR PCLTpowerPlay can be downloaded from www.linear.com/ltpowerplay. Complete instructions are located there.
What Can You Do With This Demo System ?
• Prototype your system. You can change the nominal VOUT’s of the modules to match your system. You can also change the range and resolution of margining. Set sequencing. Set OV/UV limits. And much more!
• Create your own configuration that you can store in the EEPROM of the LTC2977 or save to a file. This file can be used to order pre-programmed parts.
• Test most conceivable fault scenarios. All outputs can be shorted.
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DEMO MANUAL DC1540B
QUICK START PROCEDUREThe following procedure describes how to set up one DC1540B.
1. Remove both boards from bag.
2. Place boards on level surface. Connect boards together using the 54-pin edge connector. See below.
Figure 2. Plug Boards Together
3. On DC1360B, set jumpers and switches as follows. See also Table 3.
a. Set both SW1 and SW2 (CONTROL0 and CONTROL1) to GND.
b. Set JP5 to OFF.
c. Make sure JP6 is installed.
d. Set JP3 (ASEL0) to LO and JP2 (ASEL1) to LO.
e. Set JP4 to ON.
4. On DC1361B, set jumpers and switches as follows. See also Table 3.
a. JP1 = INSTALLED
b. JP2, JP3 = SOFT START
c. SW1 = MASTER
5. Plug in the USB to I2C/SMBus/PMBus Controller into a USB port on your PC.
6. Connect a 12V power supply with >1/2 Amp capacity to the VIN+ and VIN– inputs of the green terminal block J11 on DC1361B. Do not turn on 12V yet. Be careful to hook up polarity correctly! See Figure 5.
7. If you have a DC1427A, connect to J4 on DC1360B as shown in Figure 3.
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QUICK START PROCEDURE
Figure 3. DC1427A Connection
Figure 4. DC1613 Connection
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QUICK START PROCEDURE8. Launch the LTpowerPlay GUI.
a. The GUI should identify the LTC2977. The system tree on the left hand side should look like:
b. Confirm that the LTC2977 is communicating. A green message box shows for a few seconds in the lower left hand corner
c. In the Toolbar, click the “R” icon to read the RAM from the LTC2977. This reads the default configuration from the RAM in the LTC2977 on the DC1360B and loads it into the GUI.
d. Save the demo board default configuration to a (*.proj) file. Click the “Save” icon and save the file. You can chose your own filename.
9. Turn on the +12V power supply.
10. Slide the 2 black switches CONTROL 0 and CONTROL 1 to the HI position. This turns on the board.
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DEMO MANUAL DC1540B
QUICK START PROCEDUREThe System Tree on the left hand side should turn all green. All 8 green LEDs on the DC1361B should illuminate.
11. You are now ready to execute one of the LTC2977 demos embedded in the GUI or experiment with the part.
LOADING A CONFIGURATION (*.proj) FILE WITH THE GUI
1. In the upper left hand corner of the GUI, File > Open > browse to your *.proj file. This will load the file into the GUI.
2. Click on the arrow. This loads the file into the working RAM of the LTC2977.
3. To store in EEPROM, click on the STORE button. It is the icon with the “W” on it (see below).
NOTES:
1. To configure the jumpers and switches, see Tables 3, 4, 5 and 6. If using more than one LTC2977, use the ASELs to assign different addresses for each LTC2977.
2. On DC1361B, set the MASTER/SLAVE switch to MASTER if you want the Hot Swap chip to shut off in response to an output OV fault. To recover from shut off, you must command the channel that produced the OV off then on with the OPERATION command or you can toggle the VinShareEnable bit in MFR_CONFIG_ALL_LTC2977 to 0 then 1.
3. When the USB to I2C/SMBus/PMBus controller power is applied, the LTC2977 will load the contents of its EEPROM into operating RAM.
4. For help on any command, highlight the command in the GUI and press F1.
5. The LTM4603 outputs may be shorted indefinitely. This is a good way to induce UV faults.
6. If the DC1360B is used without the DC1361B, it will report an overtemperature fault because its VSENSE inputs are floating. This may be avoided by tying the VSENSE inputs to defined voltages.
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DEMO MANUAL DC1540B
DC1540B - DETAILS (DC1360B +DC1361B)
Figure 5. DC1540B Details
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DEMO MANUAL DC1540B
DC1360B DETAILS - TOP SIDE
Figure 6. DC1360B Top Side
Table 3. DC1360B - Default Jumper Configuration. Use ASEL’s to Select I2C Address.
JP2 ASEL1
JP3 ASEL0
JP4 Write-Protect
JP5 LTC2977 Write
Protect
JP6 Share_CLK
LO LO ON OFF Installed
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DEMO MANUAL DC1540B
DC1360B DETAILS - BOTTOM SIDE
Figure 7. DC1360B Bottom Side Configuration Resistors
Table 4. Optional Configuration Resistors
REF Des Signal Usage Default Comment
R9 FAULTB10 to FAULTB01 Connect Fault Zone 0 to Fault Zone 1 INSTALLED Allows Fault Zone 0 to Connect to Fault Zone 1
R19, R24, R29, R34 FAULT1 to FAULT4 to FAULT00 to FAULT11
Connect LTC2977’s FAULTB Pin to Demo Board FAULT Lines
INSTALLED Allows Faults to Propagate Between Boards
R21, R22, R23, R25, R26, R27, R28, R30, R31, R32, R33
FAULT 1 to FAULT 4 Connect any FAULTB Pin to any of Fault Line: FAULT 1,2,3,4
OPEN Allows Faults to Propagate Between Boards.
R17 ALERTB Allow DC1427A to Receive ALERTB OPEN
R65 WDI/RESET DC1427A Drives WDI/RESETB OPEN
R18 AUXP DC1427A Sources BIGPWR INSTALLED BIGPWR + LGKPWR must be <= 100mA max TOTAL
R72 WDI/RESET DC1427A Drives WDI/RESET OPEN
R73 CONTROL0 DC1427A Drives CONTROL0 OPEN
R74 CONTROL1 DC1427A Drives CONTROL1 OPEN
Configuration resistors are on the bottom side. They allow multiple ways to make fault dependencies between boards.
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DEMO MANUAL DC1540B
Setting the Device Address
The LTC2977 can be configured to respond to one of 9 addresses for a given MFR_I2C_BASE_ADDRESS value (the factory default value base address is 7’h5C). In addition, the LTC2977 will always respond to its global address and
Table 5. Address Look-up Table
Description HEX Device Address
Binary Device Address Address Pins
7’h 8’h 6 5 4 3 2 1 0 R/W ASEL1 ASEL0
Alert Response 0C 19 0 0 0 1 1 0 0 1 X X
Global 5B B6 1 0 1 1 0 1 1 0 X X
*0 5C B8 1 0 1 1 1 0 0 0 L L
1 5D BA 1 0 1 1 1 0 1 0 L NC
2 5E BC 1 0 1 1 1 1 0 0 L H
3 5F BE 1 0 1 1 1 1 1 0 NC L
4 60 C0 1 1 0 0 0 0 0 0 NC NC
5 61 C2 1 1 0 0 0 0 1 0 NC H
6 62 C4 1 1 0 0 0 1 0 0 H L
7 63 C6 1 1 0 0 0 1 1 0 H NC
8 64 C8 1 1 0 0 1 0 0 0 H H
H = Tie to VDD33; NC = No Connect, Open or Float; L = Tie to GND; X = Don’t Care * MFR_I2C_BASE_ADDRESS = 7‘h5C (factory default). LO = L
the PMBus Alert Response address regardless of the state of the address select pins.
By connecting each of the address inputs to VDD33, GND, or by floating them, the user determines the slave address, as shown in Table 5.
DC1360B DETAILS - BOTTOM SIDE
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DEMO MANUAL DC1540B
DC1361B DETAILS - TOP SIDE
Table 6. DC1361B - Default Jumper and Switch Configurations
JP1 VIN_SNS
JP2 Track VOUT_0/Soft-Start
JP3 Track VOUT_0/Soft-Start
Installed = Master Removed = Slave Soft-Start Soft-Start
SW1
Master Slave
JP2, JP3 in soft start position allows VOUT1, VOUT2 to start up with their turn on ramp determined by their soft-start caps. Their sequence position is determined by the LTC2977. In TRACK_VOUT_0 position, they coincident track to VOUT_0. TON_DELAY for all tracking channels must be equal. SW1 in the MASTER position allows the Hot Swap
Figure 8. DC1361B Top Side
circuit to ramp up the VIN and also allows the LTC2977 to open the series MOSFET in case of an Overvoltage on any output. SW1 in SLAVE position defeats the hot swap and passes VIN through so multiple DC1361Bs can be cascaded in an array.
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DEMO MANUAL DC1540B
DC1361B - CHANGING THE NOMINAL OUTPUT VOLTAGES
The Nominal VOUT of any channel on the DC1361B can be changed by changing the RSET resistor from VFB to SGND. These are: R21, R26, R29, R38, R48, R67, R73, R79. See Figure 9. The value for the RSET resistor is:
RSET = 60.4k/((VOUT/0.6) –1))
See also the LTM4603 datasheet Table 2. VOUT0 may be adjusted up to 5V. The other channels may be adjusted up to 4V.
Figure 9. DC1361B Output Voltage Setting Resistor Locations
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DEMO MANUAL DC1540B
DC1361B – ADJUSTING THE MARGIN/TRIM RANGE AND RESOLUTION OF THE OUTPUT VOLTAGESThe resolution and range can be adjusted for any output on the DC1361B by simply replacing the below resistors. Use the LTC2977 Resistor Selection Tool (spreadsheet) for calculating resistors values and proper DAC range settings.
The design tool refers to R20. This is the upper divider resistor which is 60.4kΩ inside the LTM4603.
The design tool refers to R10. This is the lower divider resistor which is RSET (See Figure 9).
The design tool refers to R30. This is the margin/trim adjustment resistor.
On the DC1361B, the lower divider resistors (R10) are = RSET for each channel = R21, R26, R29, R38, R48, R67, R73, R79.
On the DC1361B, the adjustment resistors (R30) are = R55, R56, R57, R58, R59, R68, R74 and R80.
Figure 10. Margin/Trim Resistor Locations
CHANGE THESE RESISTORS TO ADJUST THE MARGIN RANGE/RESOLUTION
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DEMO MANUAL DC1540B
MEASURING CURRENTIt is possible to measure the current on Channel 6 by using Channel 7 in “Hi Res” mode. Follow the instructions on pp.9 and 10 of DC1361B schematic. Remove R88, R89 and move them to R86, R87. Also remove the preload resistor R75 (top side) on DC1361B schematic p.9 to measure only the current going out of the board.
One simple checkbox in the GUI sets up Channel 7 to mea-sure current. In the MFR_CONFIG_LTC2977 register check the box that says “adc_hires”. Apply a load between the big turrets 1.0V and GND on VOUT_6 and read the voltage across the 10mΩ current sense resistor by viewing the READ_VOUT register on Channel 7 in the GUI.
Figure 11. Current Sensing Modifications (Bottom Side of Board)
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DEMO MANUAL DC1540B
COMMON DEMO BOARD OPERATIONS
Figure 12. GUI Fault Sharing Setup Tool
Reset the LTC2977
To reset the LTC2977 and reload the EEPROM contents into operating memory (RAM), press SW3.
DC1360B LEDs
The Red ALERTB LED indicates a fault has occurred. The Green LED indicates the status of the PWRGD signal.
DC1361B Remote Sense
Remote sense Test Points are included for channels 1-7. There is no remote sense for Channel 0.
Faulting an Output
Use a jumper wire or a coin to short any output. For an OV fault, short a lower voltage to a higher one momentarily.
Fault Sharing Setup in GUI
Use the Fault Sharing Diagram Tool to setup the fault sharing in the GUI. Before doing so, view the fault sharing Demo in the GUI. Go to Tools > Fault Sharing Diagram.
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DEMO MANUAL DC1540B
FAULT ZONE CONFIGURATION AND FAULT PROPAGATION The LTC2977 has four FAULTB pins within two fault zones. Each channel can pull FAULTB pins within its zone low. Also, any channel can shutdown in response to FAULTB pins within its zone, therefore, dependencies between any channel(s) can be established. See Applications section of the datasheet. See Figure below. Zone 0 and 1 are tied together on the DC1360B through R9. Therefore, any channel can shut off in response to any other channel on the LTC2977. Additionally, each FAULTBz pin ties to a FAULTn (n =1,2,3,4) line on the DC1360B which is bussed
Figure 13. Fault Zones and Fault Pins on DC1360B
to other DC1360B’s in a multiboard array. Therefore, it is possible for any channel in an array to shutoff in response to any other channel.
FAULTn lines are on p.2 DC1360B schematic J2, J3.
To disconnect Fault zone 0 from Fault zone 1, remove R9 on DC1360B.
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DEMO MANUAL DC1540B
SETUP PROCEDURE FOR MULTI-BOARD ARRAYSMultiple DC1540Bs can be combined to control as many output voltages as desired.
1. Connect DC1360B’s to DC1361B’s.
2. Solder wires from the +12V and GND turrets of Master DC1361B and connect into the terminal block of the Slave board.
3. Leave JP1 INSTALLED in the first (Master) board. Remove JP1 jumpers from all others (Slaves).
4. Plug DC1360B’s together. J3 to J2.
5. Set the Master/Slave switch on the first DC1361B in the array to Master. Set other boards to Slave.
6. Set a unique address for each LTC2977 in the array using ASEL0 (JP3) and ASEL1 (JP2).
7. Plug the ribbon cable of the DC1427A into J4 OR DC1613 into J6 of any DC1360B.
8. Hook up power supply (5-14V, at least 0.5A times the number of boards) to J11 Terminal Block to power the array of modules.
Figure 14. Array of Multiple Demo Boards
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DEMO MANUAL DC1540B
PARTS LISTITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components1
1 1 U1 IC 8-CH PWR SYSTEM MANAGER 64-QFN LINEAR TECH: LTC2977IUP2 3 C8, C9, C10 CAP CERM 0.1µF 16V 20% X7R 0603 AVX: 0603YC104MAT2A3 6 R1, R2, R4, R5, R11, R75 RES 10k 1/10W 5% 0603 SMD VISHAY: CRCW060310K0JNEA
Additional Demo Board Circuit Components2
4 1 C11 CAP CERM 0.1µF 16V 20% X7R 0603 AVX: 0603YC104MAT2A5 4 C12, C16, C17, C39 CAP CERM 10nF 50V 10% X7R 0603 AVX: 06035C103KAT2A6 2 C14, C15 CAP CERM 1µF 25V 10% X7R 1206 AVX: 12063C105KAT2A7 2 C48, C56 CAP CERM 0.47µF 16V 10% X5R 0603 AVX: 0603YD474KAT2A8 1 C58 CAP TANT 3.3µF 25V 20% SMD AVX: TAJC335M025R9 1 C59 CAP TANT 1µF 35V 20% SMD KEMET: B45196H6105M109
10 1 D1 LED RED DIFF SMD 0805 PANASONIC: LN1271RTR11 1 D2 LED GREEN CLEAR 0805 SMD PANASONIC: LN1371SGTRP12 1 Q1 MOSFET N-CH 60V 115MA SOT-23 FAIRCHILD: 2N7002_NL13 3 R3, R6, R7 RES 10k 1/10W 5% 0603 SMD VISHAY: CRCW060310K0JNEA14 1 R8 RES 75Ω 1/10W 5% 0603 SMD VISHAY: CRCW060375R0JNEA15 20 R9, R18, R35, R36, R37, R38, R39, R40, R41, R43,
R44, R45, R46, R47, R48, R49, R61, R63, R64, R70RES 0.0Ω 1/10W 5% 0603 SMD VISHAY: CRCW06030000Z0EA
16 1 R10 RES 200Ω 1/10W 1% 0603 SMD VISHAY: CRCW0603200RFKEA17 3 R12, R13, R14 RES 4.99k 1/10W 1% 0603 SMD VISHAY: CRCW06034K99FKEA18 15 R15, R16, R42, R50, R51, R52, R53, R54, R55, R56,
R57, R58, R59, R60, R62RES 100Ω 1/10W 1% 0603 SMD VISHAY: CRCW0603100RFKEA
19 14 R17, R20, R21, R22, R23, R25, R26, R27, R28, R30, R31, R32, R33, R65 (OPT)
RES 0.0Ω 1/8W 5% 0805 SMD VISHAY: CRCW08050000Z0EA
20 7 R19, R24, R29, R34, R72, R73, R74 RES 0.0Ω 1/8W 5% 0805 SMD VISHAY: CRCW08050000Z0EA21 4 R66, R67, R68, R69 RES 20k 1/10W 5% 0603 SMD VISHAY: CRCW060320K0JNEA22 1 R71 RES 10Ω 1/10W 1% 0603 SMD VISHAY: CRCW060310RFKEA23 2 SW1, SW2 SWITCH SLIDE SPDT 30V 0.2A PC MNT E-SWITCH: EG121824 1 SW3 SWITCH TACT MINI PB SPST SLV GWING C&K: KSR211GLFS25 1 U2 IC REG 3.3V 100MA LDO LN SOT23-5 LINEAR TECH: LT1763CS8-3.326 1 U3 IC, SERIAL EEPROM MICROCHIP: 24LC025-I/ST
Hardware—For Demo Board Only27 1 J1 CONN FEMALE 54POS DL 0.1 R/A TIN SULLINS: PPTC272LJBN-RC28 1 J2 CONN SOCKET 20 DUAL ROW RA MILL-MAX: 803-93-020-20-00129 1 J3 PIN HEADER 20 DUAL ROW RA MILL-MAX: 802-40-020-20-00130 1 J4 HEADER 14POS 2MM VERT GOLD MOLEX: 87831-142031 1 J6 CONN HEADER 12POS 2MM STR DL PCB FCI: 98414-G06-12ULF32 5 JP2-SH, JP3-SH, JP4-SH, JP5-SH, JP6-SH CONN SHUNT 2MM 2POS GOLD BLACK SAMTEC: 2SN-BK-G33 4 MTG1, MTG2, MTG3, MTG4 STAND-OFF NYLON 1/4" SNAP IN KEYSTONE: 883134 18 TP01, TP02, TP03, TP04, TP05, TP06, TP07, TP08,
TP09, TP10, TP11, TP12, TP13, TP15, TP16, TP17, TP18, TP19
TP TURRET SMALL FOR 0.063 HOLE MILL-MAX: 2308-2-00-44-00-00-07-0
35 0 OPTIONAL CONN HEADER BRKWAY (OPT) OPTIONNotes: 1. Required Circuit Components are those parts that are required to implement the circuit function. 2. Additional Demo Board Circuit Components are those parts that provide added functionality for the demo board but are not required in the actual circuit.
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SCHEMATIC DIAGRAM
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Fax:
(408
)434
-050
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CA 95
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Phon
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1630
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LTC
Conf
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LINE
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AND
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WIT
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PART
S.A
DC13
60B
Thur
sday
, Aug
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1, 2
013
14
LTC2
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DAVE
C.
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:
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HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
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EMAI
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NENT
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AND
SUPP
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FOR
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WIT
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DC13
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Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
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mer
Use
Onl
y
CUST
OMER
NOT
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LINE
AR T
ECHN
OLOG
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S MA
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BES
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O LI
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AND
SUPP
LIED
FOR
USE
WIT
H LI
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DC13
60B
Thur
sday
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1, 2
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14
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977I
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S P.
DAVE
C.
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TO O
THE
R L
TC29
77's
(SH
EE
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CO
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CO
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PC
B L
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PLA
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BY
PA
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& 3
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D2
TP9
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LTC
2977
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2977
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VO
UT_
EN
48
VO
UT_
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59
VO
UT_
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610
VO
UT_
EN
711
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12
NC
13
VIN
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VP
WR
15
VD
D33
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T16
VD
D33
_IN
17
VD
D25
18W
P19
PW
RG
D20
SH
AR
E_C
LK21
WD
I/RE
SE
T22
FAU
LTB
0023
FAU
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0124
FAU
LTB
1025
FAU
LTB
1126
SD
A27
SC
L28
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29
CO
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30C
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NS
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037
VD
AC
M0
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CP
039
VD
AC
P1
40V
DA
CM
141
VS
EN
SE
P1
42V
SE
NS
EM
143
VD
AC
P2
44V
DA
CM
245
VS
EN
SE
P2
46V
SE
NS
EM
247
VS
EN
SE
P3
48V
SE
NS
EM
349
VD
AC
P3
50V
DA
CM
351
VS
EN
SE
P4
52
VS
EN
SE
M6
1V
SE
NS
EP
72
VS
EN
SE
M7
3
VO
UT_
EN
04
VO
UT_
EN
15
VO
UT_
EN
26
VO
UT_
EN
37
VS
EN
SE
M4
53
VD
AC
M4
54V
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CP
455
VD
AC
P5
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557
VD
AC
M6
58V
DA
CP
659
VD
AC
P7
60V
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761
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62V
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NS
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563
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EN
SE
P6
64
E-P
AD
65
TP11
TP11
C8
100n
F
C8
100n
F
R15
100
R15
100
C59
1.0u
F
C59
1.0u
F
Q1
2N7002
Q1
2N7002
R60
100
R60
100
R1
10K
R1
10K
TP8
TP8
R11
10K
R11
10K
R71
10R
7110
TP17
TP17
R63
0R63
0
TP13
TP13
TP1
TP1
TP16
TP16
TP6
TP6
R9
0R
90
TP7
TP7
JP5
JP5
R64 0R64 0
R75
10K
R75
10K
C16
0.01
uFC
160.
01uF
R8
75R8
75
R16
100
R16
100
SW1 SW1
R59
100
R59
100
R6
10K
R6
10K
R4
10K
R4
10K
SW
3S
W3
JP6
SH
AR
E_C
LK
JP6
SH
AR
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R7
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C17
0.01
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C17
0.01
uF
JP3
AS
EL0
JP3
AS
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C10
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TP12
TP12
TP15
TP15
SW2 SW2
C9
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FC
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0nF
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R3
10K
TP10
TP10
R2
10K
R2
10K
D1
D1
R10
200
R10
200
C12
0.01
uF
C12
0.01
uF
21dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
FAU
LT1
FAU
LT2
FAU
LT3
FAU
LT4
FAU
LT4
FAU
LT2
FAU
LT3
FAU
LT4
FAU
LT1
FAU
LT2
FAU
LT4
FAU
LT1
FAU
LT2
FAU
LT3
FAU
LT1
FAU
LT3
+3.3
V+3
.3V
+3.3
V
SC
LS
DA
FAU
LTB
00
FAU
LTB
01
FAU
LTB
10
FAU
LTB
11
SH
AR
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CO
NTR
OL1
CO
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OL0
EE
VC
C
EE
SC
L
EE
SD
A
ALE
RTB
WD
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SE
TB
VIN
_EN
VIN
_SN
S
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
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S RE
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AND
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WIT
H LI
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TEC
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OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
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1, 2
013
24
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
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SIZE
DATE
:
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NO.
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TOF
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E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
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SUPP
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S RE
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SUB
STIT
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N AN
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O LI
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AND
SUPP
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FOR
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H LI
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OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
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1, 2
013
24
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
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RACT
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NEER
:
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:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
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mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
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S MA
DE A
BES
T EF
FORT
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S RE
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TO
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NENT
SUB
STIT
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CIR
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O LI
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AND
SUPP
LIED
FOR
USE
WIT
H LI
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PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
24
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S P.
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BUS
POW
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TO D
C14
27A
BU
S S
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+3.
3V2
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ND
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7 S
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8 C
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L09
SP
AR
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10 S
PA
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211
WD
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TB12
CO
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PA
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314
SH
AR
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LK15
FA
ULT
416
FA
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217
FA
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318
FA
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119
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20 G
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TO D
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R18 0R18 0
R67
20K
R67
20K
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340
R25
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R25
OP
T. 0
R66
20K
R66
20K
R33
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T. 0
R33
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T. 0
R24
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240
R19
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R32
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1113151719
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R23
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T. 0
R23
OP
T. 0
R31
OP
T.0
R31
OP
T.0
R22
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T. 0
R22
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T. 0
J6
HEADER 12POS 2MM VERT GOLD
J6
HEADER 12POS 2MM VERT GOLD
AU
XP
1
SD
A2
GN
D3
SC
L4
LGK
PW
R5
ALE
RTB
6
GP
I_1
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OU
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8
GP
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D10
AU
XS
CL
11
AU
XS
DA
12
R17
OP
T. 0
R17
OP
T. 0
R65
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T. 0
R65
OP
T. 0
R28
OP
T. 0
R28
OP
T. 0
J4
HEADER 14POS 2MM VERT GOLD
J4
HEADER 14POS 2MM VERT GOLD
V+
13.
3V o
r 5V
2G
ND
3S
CK
/SC
L4
MIS
O5
CS
6M
OS
I/SD
A7
GN
D8
EE
SD
A9
EE
VC
C10
EE
SC
L11
EE
GN
D12
GN
D13
GP
IO_1
14R
20O
PT.
0R
20O
PT.
0
R30
OP
T. 0
R30
OP
T. 0
R21
OP
T. 0
R21
OP
T. 0
R27
OP
T.0
R27
OP
T.0
R72
OP
T. 0
R72
OP
T. 0
R69
20K
R69
20K
R73
OP
T. 0
R73
OP
T. 0
R29
0R
290
J3
PIN
HE
AD
ER
20
DU
AL
RO
W
J3
PIN
HE
AD
ER
20
DU
AL
RO
W
135791113151719
2468101214161820
R74
OP
T. 0
R74
OP
T. 0
R26
OP
T. 0
R26
OP
T. 0
R68
20K
R68
20K
22dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
VS
EN
SE
M6_
OU
T
VS
EN
SE
M5_
OU
T
VS
EN
SE
M4_
OU
T
VS
EN
SE
M3_
OU
T
VS
EN
SE
M2_
OU
T
VS
EN
SE
M0_
OU
T
VS
EN
SE
M7_
OU
T
VS
EN
SE
M1_
OU
T
VS
EN
SE
P0_
OU
T
VS
EN
SE
P5_
OU
T
VS
EN
SE
P6_
OU
T
VS
EN
SE
P7_
OU
T
VS
EN
SE
P1_
OU
T
VS
EN
SE
P3_
OU
T
VS
EN
SE
P4_
OU
T
VS
EN
SE
P2_
OU
T
VS
EN
SE
P0_
OU
T
VS
EN
SE
P1_
OU
T
VS
EN
SE
P2_
OU
T
VS
EN
SE
P3_
OU
T
VS
EN
SE
P4_
OU
T
VS
EN
SE
P7_
OU
T
VS
EN
SE
P6_
OU
T
VS
EN
SE
P5_
OU
T
VS
EN
SE
M1_
OU
T
VS
EN
SE
M2_
OU
T
VS
EN
SE
M3_
OU
T
VS
EN
SE
M4_
OU
T
VS
EN
SE
M7_
OU
T
VS
EN
SE
M6_
OU
T
VS
EN
SE
M5_
OU
T
VS
EN
SE
M0_
OU
T
SP
AR
E_4
SP
AR
E_5
SP
AR
E_1
SP
AR
E_2
SP
AR
E_3
VS
EN
SE
P0_
OU
T
VS
EN
SE
P1_
OU
T
VS
EN
SE
P2_
OU
T
VS
EN
SE
P3_
OU
T
VS
EN
SE
P4_
OU
T
VS
EN
SE
P7_
OU
T
VS
EN
SE
P6_
OU
T
VS
EN
SE
P5_
OU
T
VS
EN
SE
M1_
OU
T
VS
EN
SE
M2_
OU
T
VS
EN
SE
M3_
OU
T
VS
EN
SE
M4_
OU
T
VS
EN
SE
M7_
OU
T
VS
EN
SE
M6_
OU
T
VS
EN
SE
M5_
OU
T
VS
EN
SE
M0_
OU
T
SP
AR
E_4
SP
AR
E_5
SP
AR
E_1
SP
AR
E_2
SP
AR
E_3
+12V
+12V
+12V
+12V
VD
AC
M0
VD
AC
M1
VD
AC
M2
VD
AC
M3
VD
AC
M4
VD
AC
M5
VD
AC
M6
VD
AC
M7
VS
EN
SE
M5
VS
EN
SE
M0
VS
EN
SE
M6
VS
EN
SE
M7
VS
EN
SE
M1
VS
EN
SE
M2
VS
EN
SE
M3
VS
EN
SE
M4
VS
EN
SE
P0
VS
EN
SE
P1
VS
EN
SE
P2
VS
EN
SE
P3
VS
EN
SE
P4
VS
EN
SE
P5
VS
EN
SE
P6
VS
EN
SE
P7
VIN
_EN
VO
UT_
EN
6
VO
UT_
EN
4
VO
UT_
EN
2
VO
UT_
EN
0
VD
AC
P7
VD
AC
M6
VD
AC
P5
VD
AC
M4
VD
AC
P3
VD
AC
P2
VD
AC
P1
VD
AC
M0
VO
UT_
EN
3
VO
UT_
EN
1
VO
UT_
EN
7
VD
AC
M7
VO
UT_
EN
5
VD
AC
M2
VD
AC
M1
VD
AC
P6
VD
AC
M5
VD
AC
P4
VD
AC
M3
VD
AC
P0
PW
RG
D
VIN
_EN
VO
UT_
EN
6
VO
UT_
EN
4
VO
UT_
EN
2
VO
UT_
EN
0
VD
AC
P7
VD
AC
M6
VD
AC
P5
VD
AC
M4
VD
AC
P3
VD
AC
P2
VD
AC
P1
VD
AC
M0
VO
UT_
EN
3
VO
UT_
EN
1
VO
UT_
EN
7
VD
AC
M7
VO
UT_
EN
5
VD
AC
M2
VD
AC
M1
VD
AC
P6
VD
AC
M5
VD
AC
P4
VD
AC
M3
VD
AC
P0
PW
RG
D
VIN
_SN
SV
IN_S
NS
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
34
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
34
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
34
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
J1
CO
NN
EC
TOR
TO P
OW
ER
SU
PP
LY C
OM
PA
NIO
N B
OA
RD
J5 H
EA
DE
RP
RO
VID
ES
AC
CE
SS
TO
LIN
ES
GO
ING
TO
O
MP
AN
ION
PO
WE
R S
UP
PLY
BO
AR
D
(O
PTI
ON
AL)
R37
0R
370
R43
0R
430
C49
OP
T.C
49O
PT.
R39
0R
390
R57
100
R57
100
C55
OP
T.C
55O
PT.
R44
0R
440
R56
100
R56
100
C56
.47u
FC
56.4
7uF
R50
100
R50
100
C48
.47u
FC
48.4
7uF
C50
OP
T.C
50O
PT.
R54
100
R54
100
C45
OP
T.
C45
OP
T.
R42
100
R42
100
J5J5
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
R53
100
R53
100
R49
0R
490
C51
OP
T.C
51O
PT.
C41
OP
T.
C41
OP
T.
C42
OP
T.
C42
OP
T.
C52
OP
T.C
52O
PT.
R46
0R
460
R51
100
R51
100
R58
100
R58
100
R41
0R
410
C43
OP
T.
C43
OP
T.
C46
OP
T.
C46
OP
T.
R40
0R
400
C53
OP
T.C
53O
PT.
R47
0R
470
R35
0R
350
R45
0R
450
C47
OP
T.
C47
OP
T.
C44
OP
T.
C44
OP
T.
R55
100
R55
100
R48
0R
480
R52
100
R52
100
R36
0R
360
C54
OP
T.C
54O
PT.
J1J1
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
R38
0R
380
23dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
+3.3
V
EE
VC
C
EE
SC
L
EE
SD
A
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
44
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
44
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
SIZE
DATE
:
DWG
NO.
REV
SHEE
TOF
TITL
E:
CONT
RACT
NO.
APPR
OVAL
SDR
AWN:
CHEC
KED:
APPR
OVED
:
ENGI
NEER
:
DESI
GNER
:
TEC
HN
OLO
GY
Fax:
(408
)434
-050
7
Milp
itas,
CA 95
035
Phon
e: (4
08)4
32-1
900
1630
McC
arth
y Blvd
.
LTC
Conf
iden
tial-F
or C
usto
mer
Use
Onl
y
CUST
OMER
NOT
ICE
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.A
DC13
60B
Thur
sday
, Aug
ust 0
1, 2
013
44
LTC2
977I
UP
CHRI
S P.
DAVE
C.
B
LTC2
977
8-CH
ANNE
L PM
BUS
POW
ER S
YSTE
M M
ANAG
ER
ON
OF
FW
RIT
E-P
RO
TE
CT
DEMO
BOA
RD ID
ENTI
TY E
EPRO
M
GR
OU
ND
TE
ST
PO
INTS
+12V
_TS
T+3
.3V
(3.0
-3.6
V)
+
+3.3
V L
INE
AR
RE
GU
LATO
R
CE
R.
10V
MIN
C58
3.3u
FTA
NT.
25V
C58
3.3u
FTA
NT.
25V
TP19
TP19
R61
0R61
0
R12
4.99
KR
124.
99K
C14
1uF
C14
1uF
C39
0.01
uFC
390.
01uF
TP18
TP18
R13
4.99
KR
134.
99K
TP3
TP3
R62
100
R62
100
R14
4.99
KR
144.
99K
TP2
TP2
U3
24LC
025
U3
24LC
025
A0
1
SC
L6
A2
3
VS
S4
SD
A5
A1
2W
P7
VC
C8
U2
LT17
63C
S8-
3.3
U2
LT17
63C
S8-
3.3OU
T1
SE
NS
E/A
DJ
2
GN
D3
BY
P4
IN8
GN
D7
GN
D6
SH
DN
B5
TP5
TP5
C11
100n
F
C11
100n
F
JP4
JP4
C15
10uF
C15
10uF
TP4
TP4
24dc1540bf
DEMO MANUAL DC1540B
PARTS LISTITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
Required Circuit Components1
DC1361B is only a companion board to the DC1360B. None of these parts are required for LTC2977 operation.Additional Demo Board Circuit Components2
1 1 C1 CAP CER 1000pF 50V 10% X7R 0603 AVX: 06035A102KAT2A2 8 C8, C9, C16, C22, C23, C24, C25, C26 CAP CER 100pF 25V 10% NPO 0603 AVX: 06033A101KAT2A3 4 C10, C11, C12, C13 CAP TANT 47µF 16V 20% SMD 7343-31 KEMET: T520D476M016ATE0354 2 C17, Cx1 CAP CER 0.1µF 25V 20% X5R 0603 AVX: 06033D104MKAT2A5 1 C20 CAP CER 1µF 16V 10% X7R 1206 AVX: 1206YC105KAT2A6 25 C21, COUT4, CIN4, COUT5, CIN5, CIN6, CIN7,
COUT12, CIN14, CIN15, COUT18, COUT20, CIN20, CIN21, COUT22, CIN22, CIN23, COUT24, CIN24, CIN25, COUT26, CIN26, CIN27, CIN28, CIN29
CAP CER 10µF 16V 20% X7R 1206 TDK: C3216X7R1C106M
7 10 C39, CC1, CSS1, CSS2, CSS5, CSS8, CSS9, CSS10, CSS11, CSS12
CAP CER 10nF 25V 20% X7R 0603 MURATA: GRM188R71E103KA01D
8 1 C58 CAP TANT 3.3µF 25V 20% SMD AVX: TAJC335M025R9 1 CIN1 CAP ALUM 150µF 35V 20% SANYO: 35ME150WXV+TS
10 8 COUT1, COUT2, COUT11, COUT17, COUT19, COUT21, COUT23, COUT25
CAP CER 100µF 6.3V X5R 1210 AVX: 12106D107KAT2A
11 1 Ctmr1 CAP CER 2.2µF 10V X7R 0603 MURATA: GRM188R71A225KE15D14 8 D2, D3, D4, D5, D6, D7, D8, D9 LED GREEN 565NM 0805 SMD PANASONIC: LN1371SGTRP12 1 D11 TVS UNIDIRECT 14V 400W SMA DIODES INC.: SMAJ14A-13-F13 1 D12 DIODE SCHOTTKY 30V 200MW SOT23 DIODES INC.: BAT54-7-F15 1 Q1 MOSFET N-CH 30V 8.9A SOIC8 VISHAY: Si4894BDY16 8 Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 MOSFET N-CH 60V 300MA SOT-23 VISHAY: 2N7002K-T1-E317 8 R10, R23, R31, R42, R44, R53, R90, R93 RES 200Ω 1/10W 5% 0603 SMD YAGEO: RC0603JR-07200RL18 1 R11 RES 59.0k 1/10W 1% 0603 SMD VISHAY: CRCW060359K0FKEA19 1 R17, R25 RES 0.0Ω 1/10W 5% 0603 SMD VISHAY: CRCW06030000Z0EA20 1 R21 RES 13.3k 1/10W 1% 0805 SMD VISHAY: CRCW080513K3FKEA21 8 R22, R30, R41, R43, R52, R54, R92, R94 RES 10k 1/10W 5% 0603 SMD YAGEO: RC0603JR-0710KL22 1 R26 RES 19.1k 1/8W 1% 0805 SMD VISHAY: CRCW080519K1FKEA23 14 R27, R28, R32, R33, R39, R40, R50, R51,
R70, R71, R76, R77, R82, R83RES 1.0Ω 1/10W 5% 0603 SMD VISHAY: CRCW06031R00JNEA
24 1 R29 RES 26.1k 1/8W 1% 0805 SMD VISHAY: CRCW080526K1FKEA25 4 R34, R35, R36, R37 RES 43.2Ω 1W 1% 2512 SMD PANASONIC: ERJ-1TNF43R2U26 1 R38 RES 30.1k 1/8W 1% 0805 SMD VISHAY: CRCW080530K1FKEA27 5 R45, R46, R49, R69, R81 RES 20.0Ω 1W 1% 2512 SMD PANASONIC: ERJ-1TNF20R0U28 1 R48 RES 40.2k 1/8W 1% 0805 SMD VISHAY: CRCW080540K2FKEA29 1 R55 RES 71.5k 1/8W 1% 0805 SMD PANASONIC: ERJ-6ENF7152V30 1 R56 RES 95.3k 1/8W 1% 0805 SMD PANASONIC: ERJ-6ENF9532V31 1 R57 RES 107k 1/8W 1% 0805 SMD VISHAY: CRCW0805107KFKEA32 1 R58 RES 121k 1/8W 1% 0805 SMD VISHAY: CRCW0805121KFKEA33 1 R59 RES 147k 1/8W 1% 0805 SMD VISHAY: CRCW0805147KFKEA34 1 R67 RES 60.4k 1/8W 1% 0805 SMD VISHAY: CRCW080560K4FKEA35 2 R68, R79 RES 182k 1/8W 1% 0805 SMD VISHAY: CRCW0805182KFKEA36 1 R73 RES 90.9k 1/8W 1% 0805 SMD VISHAY: CRCW080590K9FKEA37 1 R74 RES 280k 1/8W 1% 0805 SMD VISHAY: CRCW0805280KFKEA38 1 R75 RES 20Ω 1/8W 5% 0805 SMD VISHAY: CRCW080520R0JNEA39 1 R80 RES 287k 1/8W 1% 0805 SMD VISHAY: CRCW0805287KFKEA40 1 R84 RESISTOR 0.010Ω 1W 1% 2512 PANASONIC: ERJ-M1WSF10MU
25dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAMITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER
41 1 R85 RES 19.1k 1/10W 1% 0603 SMD VISHAY: CRCW060319K1FKEA42 2 R86, R87 (OPT.) RES 0.0Ω 1/10W 5% 0603 SMD VISHAY: CRCW06030000Z0EA43 2 R88, R89 RES 0.0Ω 1/10W 5% 0603 SMD VISHAY: CRCW06030000Z0EA44 2 R91, R112 RES 60.4k 1/10W 1% 0603 SMD VISHAY: CRCW060360K4FKEA45 1 R111 RES 26.1k 1/10W 1% 0603 SMD VISHAY: CRCW060326K1FKEA46 1 Rc1 RES 68Ω 1/10W 5% 0603 SMD VISHAY: CRCW060368R0JNEA47 1 Rg1 RES 100Ω 1/10W 5% 0603 SMD VISHAY: CRCW0603100RJNEA48 1 Ron1 RES 24.3k 1/10W 1% 0603 SMD VISHAY: CRCW060324K3FKEA49 15 Ron2, R14, R15, R18, R24, R47, R60, R61,
R62, R63, R64, R65, R66, R72, R78RES, 10k 1/10W 1% 0603 SMD VISHAY: CRCW060310K0FKEA
50 1 Rsns1 RES 0.007Ω 1W 1% 2512 SMD VISHAY: WSL25127L000FEA51 1 Rx1 RES 10Ω 1/10W 5% 0603 SMD VISHAY: CRCW060310R0JNEA52 8 U1, U2, U7, U12, U13, U15, U16, U17 IC, µMODULE, POWER SUPPLY LINEAR TECH: LTM4603EV53 1 U3 IC, µCIRCUIT LINEAR TECH: LTC6902IMS54 1 U10 IC, µCIRCUIT LINEAR TECH: LTC4210-1CS655 1 U14 IC, HEX SCHMITT-TRIG INV 14TSSOP TEXAS INST: SN74AHC14PWR56 1 U18 IC, µCIRCUIT LINEAR TECH: LT1761ES5-3.3
Hardware – For Demo Board Only57 18 E6, E7, E8, E9, E10, E11, E12, E13, E14, E15,
E16, E17, E18, E19, E20, E21, E30, E51TURRET, TESTPOINT MILL-MAX 2501-2-00-80-00-00-07-0
58 16 E35, E37, E39, E41, E43, E46, E49, E36, E38, E40, E42, E44, E47, E50, E52, E53
TURRET, TESTPOINT MILL-MAX 2308-2-00-80-00-00-07-0
59 1 J10 CONN HEADER 54POS 0.100 R/A 15GOLD
FCI: 68021-254HLF
60 1 J11 TERMINAL BLOCK 5MM 2POS PCB ON-SHORE-TECH: ED700/261 1 JP1 CONN HEADER 2MM MALE 1ROW 2POS COMM CON: 2802S-02G262 2 JP2, JP3 CONN HEADER 2MM MALE 1ROW 3POS COMM CON: 2802S-03G263 3 JP1-SH, JP2-SH, JP3-SH SHUNT 2MM SAMTEC: 2SN-BK-G64 4 MTG1, MTG2, MTG3, MTG4 STAND-OFF NYLON 1/4" SNAP IN KEYSTONE: 883165 1 SW1 SWITCH TOG. SPDT RT ANGLE C&K: E101MD1AQE
Notes: 1. Required Circuit Components are those parts that are required to implement the circuit function. 2. Additional Demo Board Circuit Components are those parts that provide added functionality for the demo board but are not required in the actual circuit.
26dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
+12V
VIN
_EN
VO
UT_
EN
6
VO
UT_
EN
4
VO
UT_
EN
2
VO
UT_
EN
0
VS
EN
SE
P7
VS
EN
SE
P6
VS
EN
SE
P5
VD
AC
P7
VD
AC
M6
VD
AC
P5
VD
AC
M4
VS
EN
SE
P4
VD
AC
P3
VS
EN
SE
P3
VS
EN
SE
P2
VD
AC
P2
VS
EN
SE
P1
VD
AC
P1
VD
AC
M0
VS
EN
SE
P0
VIN
_SN
S
VO
UT_
EN
7
VO
UT_
EN
5
VS
EN
SE
M2
VD
AC
M2
VS
EN
SE
M1
VD
AC
M1
VO
UT_
EN
3
VO
UT_
EN
1
VS
EN
SE
M7
VS
EN
SE
M6
VS
EN
SE
M5
VD
AC
M7
VD
AC
P6
VD
AC
M5
VD
AC
P4
VS
EN
SE
M4
VD
AC
M3
VS
EN
SE
M3
VD
AC
P0
VS
EN
SE
M0
SIZ
E
SC
ALE
:CA
GE
CO
DE
DW
G N
OR
EV
SH
EE
TO
FFI
LEN
AM
E:
TITL
E
CO
NTR
AC
T N
O.
AP
PR
OV
ALS
DA
TED
RA
WN
CH
EC
KE
D
AP
PR
OV
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EN
GIN
EE
R
DE
SIG
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R
TEC
HN
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GY
1630
McC
arth
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lvd.
Milp
itas,
CA
950
35P
hone
: (40
8)43
2-19
00F
ax: (
408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
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TEC
HNOL
OGY
PART
S.
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
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SPE
CIFI
CATI
ONS;
HOW
EVER
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EMAI
NS T
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MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
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LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
CUST
OMER
NOT
ICE
BD
C13
61B
Tues
day,
Aug
ust 1
3, 2
013
110
Dav
e C
lem
ans
08-1
3-13
Dav
e C
lem
ans
08-1
3-13
8 O
UTP
UT
PO
WE
R S
UP
PLY
SIZ
E
SC
ALE
:CA
GE
CO
DE
DW
G N
OR
EV
SH
EE
TO
FFI
LEN
AM
E:
TITL
E
CO
NTR
AC
T N
O.
AP
PR
OV
ALS
DA
TED
RA
WN
CH
EC
KE
D
AP
PR
OV
ED
EN
GIN
EE
R
DE
SIG
NE
R
TEC
HN
OLO
GY
1630
McC
arth
y B
lvd.
Milp
itas,
CA
950
35P
hone
: (40
8)43
2-19
00F
ax: (
408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
CUST
OMER
NOT
ICE
BD
C13
61B
Tues
day,
Aug
ust 1
3, 2
013
110
Dav
e C
lem
ans
08-1
3-13
Dav
e C
lem
ans
08-1
3-13
8 O
UTP
UT
PO
WE
R S
UP
PLY
SIZ
E
SC
ALE
:CA
GE
CO
DE
DW
G N
OR
EV
SH
EE
TO
FFI
LEN
AM
E:
TITL
E
CO
NTR
AC
T N
O.
AP
PR
OV
ALS
DA
TED
RA
WN
CH
EC
KE
D
AP
PR
OV
ED
EN
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EE
R
DE
SIG
NE
R
TEC
HN
OLO
GY
1630
McC
arth
y B
lvd.
Milp
itas,
CA
950
35P
hone
: (40
8)43
2-19
00F
ax: (
408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.
LINE
AR T
ECHN
OLOG
Y HA
S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
CIRC
UIT
THAT
MEE
TS C
USTO
MER-
SUPP
LIED
SPE
CIFI
CATI
ONS;
HOW
EVER
, IT R
EMAI
NS T
HE C
USTO
MER'
S RE
SPON
SIBI
LITY
TO
VERI
FY P
ROPE
R AN
D RE
LIAB
LE O
PERA
TION
IN T
HE A
CTUA
LAP
PLIC
ATIO
N. C
OMPO
NENT
SUB
STIT
UTIO
N AN
D PR
INTE
DCI
RUIT
BOA
RD L
AYOU
T MA
Y SI
GNIF
ICAN
TLY
AFFE
CT C
IRCU
ITPE
RFOR
MANC
E OR
REL
IABI
LITY
. CON
TACT
LIN
EAR
TECH
NOLO
GY A
PPLI
CATI
ONS
ENGI
NEER
ING
FOR
ASSI
STAN
CE.
CUST
OMER
NOT
ICE
BD
C13
61B
Tues
day,
Aug
ust 1
3, 2
013
110
Dav
e C
lem
ans
08-1
3-13
Dav
e C
lem
ans
08-1
3-13
8 O
UTP
UT
PO
WE
R S
UP
PLY
SP
AR
E_1
SP
AR
E_2
SP
AR
E_3
SP
AR
E_4
SP
AR
E_5
VIN
_SN
S
VO
UT_
EN
7
VO
UT_
EN
5
VO
UT_
EN
3
VO
UT_
EN
1
VO
UT_
EN
6
VO
UT_
EN
4
VO
UT_
EN
2
VO
UT_
EN
0
VS
EN
SE
M7_
OU
T
VS
EN
SE
M6_
OU
T
VS
EN
SE
M5_
OU
T
VS
EN
SE
M4_
OU
T
VS
EN
SE
M3_
OU
T
VS
EN
SE
M2_
OU
T
VS
EN
SE
M1_
OU
T
VS
EN
SE
M0_
OU
T
VS
EN
SE
P7_
OU
T
VS
EN
SE
P6_
OU
T
VS
EN
SE
P5_
OU
T
VS
EN
SE
P4
VS
EN
SE
P3_
OU
T
VS
EN
SE
P2_
OU
T
VS
EN
SE
P1_
OU
T
VS
EN
SE
P0_
OU
T
VD
AC
M7
VD
AC
P6
VD
AC
M5
VD
AC
P4
VD
AC
M3
VD
AC
M2
VD
AC
M1
VD
AC
P0
VD
AC
P7
VD
AC
M6
VD
AC
P5
VD
AC
M4
VD
AC
P3
VD
AC
P2
VD
AC
P1
VD
AC
M0
VIN
_EN
PW
RG
DP
WR
GD
IS A
TE
STP
OIN
T V
IA O
N T
HE
PC
B
J10
J10 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53
27dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
VIN
INTV
CC
_3
+12V
3.3V
_PU
INTV
CC
_3
+12V
VIN
_SN
S
VIN
_EN
CLK
_PH
AS
E_4
CLK
_PH
AS
E_3
CLK
_PH
AS
E_2
CLK
_PH
AS
E_1
SIZ
E
SC
ALE
:CA
GE
CO
DE
DW
G N
OR
EV
SH
EE
TO
FFI
LEN
AM
E:
TITL
E
CO
NTR
AC
T N
O.
AP
PR
OV
ALS
DA
TED
RA
WN
CH
EC
KE
D
AP
PR
OV
ED
EN
GIN
EE
R
DE
SIG
NE
R
TEC
HN
OLO
GY
1630
McC
arth
y B
lvd.
Milp
itas,
CA
950
35P
hone
: (40
8)43
2-19
00F
ax: (
408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
OGY
PART
S.
LINE
AR T
ECHN
OLOG
Y HA
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DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
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3.3V
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950
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SUPP
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OLOG
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L9V
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TL1
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TL1
1V
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TM
1V
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TM
2V
OU
TM
3V
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TM
4V
OU
TM
5V
OU
TM
6V
OU
TM
7V
OU
TM
8V
OU
TM
9V
OU
TM
10V
OU
TM
11
PGND D1PGND D2PGND D3PGND D4PGND D5PGND D6PGND E1PGND E2PGND E3PGND E4PGND E5PGND E6PGND E7PGND F1PGND F2PGND F3PGND F4PGND F5PGND F6PGND F7PGND F8PGND F9PGND G1PGND G2PGND G3PGND G4PGND G5PGND G6PGND G7PGND G8PGND G9PGND H1PGND H2PGND H3PGND H4PGND H5PGND H6PGND H7PGND H8PGND H9
CO
UT1
100u
F6.
3V
CO
UT1
100u
F6.
3V
R35
43.2
1WR35
43.2
1W
R34
43.2
1WR34
43.2
1W
R25
0R25
0
R22
10K
R22
10K
29dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
VS
EN
SE
P1
3.3V
_PU
VO
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1
3.3V
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SE
M1
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3.3V
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11
PGND D1PGND D2PGND D3PGND D4PGND D5PGND D6PGND E1PGND E2PGND E3PGND E4PGND E5PGND E6PGND E7PGND F1PGND F2PGND F3PGND F4PGND F5PGND F6PGND F7PGND F8PGND F9PGND G1PGND G2PGND G3PGND G4PGND G5PGND G6PGND G7PGND G8PGND G9PGND H1PGND H2PGND H3PGND H4PGND H5PGND H6PGND H7PGND H8PGND H9
CO
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30dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
VS
EN
SE
P2
3.3V
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950
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0507
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CUIT
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NEAR
TEC
HNOL
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SUPP
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SUPP
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Tues
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950
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434-
0507
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O LI
NEAR
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Tues
day,
Sep
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013
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Dav
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DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
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1 1
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day,
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day,
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VINA1VINA2VINA3VINA4VINA5VINA6VINB1VINB2VINB3VINB4VINB5VINB6VINC1VINC2VINC3VINC4VINC5VINC6
VOUTJ1VOUTJ2VOUTJ3VOUTJ4VOUTJ5VOUTJ6VOUTJ7VOUTJ8VOUTJ9VOUTJ10VOUTK1VOUTK2VOUTK3VOUTK4VOUTK5VOUTK6VOUTK7VOUTK8VOUTK9VOUTK10VOUTK11
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9V
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11PGND D1PGND D2PGND D3PGND D4PGND D5PGND D6PGND E1PGND E2PGND E3PGND E4PGND E5PGND E6PGND E7PGND F1PGND F2PGND F3PGND F4PGND F5PGND F6PGND F7PGND F8PGND F9PGND G1PGND G2PGND G3PGND G4PGND G5PGND G6PGND G7PGND G8PGND G9PGND H1PGND H2PGND H3PGND H4PGND H5PGND H6PGND H7PGND H8PGND H9
Q6 2N
7002
Q6 2N
7002
33dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
VS
EN
SE
P5
3.3V
_PU
VO
UT_
5
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itas,
CA
950
35P
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408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
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RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
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OGY
PART
S.
LINE
AR T
ECHN
OLOG
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S MA
DE A
BES
T EF
FORT
TO
DESI
GN A
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ONS;
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S RE
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INTE
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ONS
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CE.
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BD
C13
61B
Tues
day,
Sep
tem
ber 1
7, 2
013
810
Dav
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lem
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08-1
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950
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RY T
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SUPP
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H LI
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OLOG
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NENT
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INTE
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C13
61B
Tues
day,
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7, 2
013
810
Dav
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itas,
CA
950
35P
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ax: (
408)
434-
0507
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CIR
CUIT
IS P
ROPR
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RY T
O LI
NEAR
TEC
HNOL
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AND
SUPP
LIED
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H LI
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OLOG
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S MA
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C13
61B
Tues
day,
Sep
tem
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7, 2
013
810
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7002
Q7 2N
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VINA1VINA2VINA3VINA4VINA5VINA6VINB1VINB2VINB3VINB4VINB5VINB6VINC1VINC2VINC3VINC4VINC5VINC6
VOUTJ1VOUTJ2VOUTJ3VOUTJ4VOUTJ5VOUTJ6VOUTJ7VOUTJ8VOUTJ9VOUTJ10VOUTK1VOUTK2VOUTK3VOUTK4VOUTK5VOUTK6VOUTK7VOUTK8VOUTK9VOUTK10VOUTK11
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6V
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11PGND D1PGND D2PGND D3PGND D4PGND D5PGND D6PGND E1PGND E2PGND E3PGND E4PGND E5PGND E6PGND E7PGND F1PGND F2PGND F3PGND F4PGND F5PGND F6PGND F7PGND F8PGND F9PGND G1PGND G2PGND G3PGND G4PGND G5PGND G6PGND G7PGND G8PGND G9PGND H1PGND H2PGND H3PGND H4PGND H5PGND H6PGND H7PGND H8PGND H9
C5
1nFC5
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34dc1540bf
DEMO MANUAL DC1540B
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
VS
EN
SE
P6
3.3V
_PU
VO
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6
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1630
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arth
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lvd.
Milp
itas,
CA
950
35P
hone
: (40
8)43
2-19
00F
ax: (
408)
434-
0507
THIS
CIR
CUIT
IS P
ROPR
IETA
RY T
O LI
NEAR
TEC
HNOL
OGY
AND
SUPP
LIED
FOR
USE
WIT
H LI
NEAR
TEC
HNOL
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PART
S.
LINE
AR T
ECHN
OLOG
Y HA
S MA
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35dc1540bf
DEMO MANUAL DC1540B
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
DD
CC
BB
AA
+12V
SN
S_7
+
3.3V
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950
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S
E50
+SN
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R81
20 1WR81
20 1W
U17
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4603
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U17
U17
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4603
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U17
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ND
H12
DR
VC
CE
12
FSE
TB
12
VO
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2
CO
MP
A11
VFB
F12
PG
OO
DG
12
RU
NA
10
TRA
CK
/SS
A9
PLL
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8
INTV
CC
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VO
SN
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M12
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F_V
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TK
12
MP
GM
A12
MA
RG
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12
MA
RG
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12
VINA1VINA2VINA3VINA4VINA5VINA6VINB1VINB2VINB3VINB4VINB5VINB6VINC1VINC2VINC3VINC4VINC5VINC6
VOUTJ1VOUTJ2VOUTJ3VOUTJ4VOUTJ5VOUTJ6VOUTJ7VOUTJ8VOUTJ9VOUTJ10VOUTK1VOUTK2VOUTK3VOUTK4VOUTK5VOUTK6VOUTK7VOUTK8VOUTK9VOUTK10VOUTK11
VO
UT
L1V
OU
TL2
VO
UT
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TL4
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TM
1V
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TM
2V
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TM
3V
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TM
4V
OU
TM
5V
OU
TM
6V
OU
TM
7V
OU
TM
8V
OU
TM
9V
OU
TM
10V
OU
TM
11PGND D1PGND D2PGND D3PGND D4PGND D5PGND D6PGND E1PGND E2PGND E3PGND E4PGND E5PGND E6PGND E7PGND F1PGND F2PGND F3PGND F4PGND F5PGND F6PGND F7PGND F8PGND F9PGND G1PGND G2PGND G3PGND G4PGND G5PGND G6PGND G7PGND G8PGND G9PGND H1PGND H2PGND H3PGND H4PGND H5PGND H6PGND H7PGND H8PGND H9
CO
UT2
510
0uF
6.3V
CO
UT2
510
0uF
6.3V
R78
10K
R78
10K
C7
1nF
C7
1nF
R11
0
ZER
O
R11
0
ZER
O
R83
1R83
1
Q9 2N
7002
Q9 2N
7002
E20
0.8V
E20
0.8V
R80
287K
R80
287K
CIN
2810
uF35
V
CIN
2810
uF35
V
36dc1540bf
DEMO MANUAL DC1540B
Linear Technology Corporation1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear.com LINEAR TECHNOLOGY CORPORATION 2013
LT 1213 • PRINTED IN USA
DEMONSTRATION BOARD IMPORTANT NOTICE
Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions:
This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. LTC assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or any other Intellectual property rights of any kind.
LTC currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.
Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and observe good laboratory practice standards. Common sense is encouraged.
This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC application engineer.
Mailing Address:
Linear Technology
1630 McCarthy Blvd.
Milpitas, CA 95035
Copyright © 2004, Linear Technology Corporation