200W LCD TV SMPS L6562 + L6668 + L6565

200W LCD TV SMPS General Features

• Input Voltage range: 100 to 240Vac

• Output Voltages:

– 24V/6A

– 12V/3A

– 5V/4A

– 5VSB/200mA

• Power Factor Correction: Above 0.98

• Low Standby < 3W at 5VSB @ 200mA

• High Efficiency, typical 86% at low line full load

• Synchronous rectification on 24V output.

• Controllable timing sequence

• 24V latched short circuit protection

• Hi-cup short circuit protection at other output voltages

L6562 - Power Factor Correction

• Transition Mode Control

• Very Precise Adjustable Output Over

Voltage Protection

• Ultra-Low Startup Current (<70A)

• ON-CHIP Filter ON Current Sense

• Disable Function

• 1% internal reference voltage

• -600mA/+800mA Totem Pole Gate Driver

L6668 - PWM Controller

• Current Mode Controller with

sophisticated standby feature

• On board high voltage startup

• Low quiescent current (<2mA)

• Slope Compensation

• Pulse-by-pulse & Hiccup-Mode OCP

• Interface with PFC Controller

• Disable Function (on/off control)

• Latched Disable for OVP/OTP Function

• Programmable soft start

L6565 – Features Overview

+

L6562

STTH8L06

STW20NM50

Block Diagram

EMI FILTER &RECTIFICATION

STW11N

M80Z

L6565

Discrete

Syn-rect Drive

Latched Short-

Circuit Protection

24V/6A

STP80NF12

STP9NK70Z

FP

L6668

+

12V/3ASTPS10H100CT

STPS1545D

+

5V/4A

+

5VSB/0.2A

Standby

SB160

Standby