Features

Quasi-Resonant Operation under all Line and Load Condition

Peak Current Mode Control @ DCM

High-Voltage Startup

Built-In 700V High Performance Power MOSFET

Embedded VCC LDO to Guarantee Wide Range VCC_IN Voltage

Low VCC Charge Current Reduces Standby Power in Output

Short Situation

Adaptive Burst Mode Operation with Output Voltage

Adaptive Output Power Limit with Output Voltage

Non-Audible-Noise Quasi-Resonant Control

Soft Start during Startup Process

Frequency Fold Back for High Average Efficiency

Secondary Winding Short Protection with FOCP

Frequency Dithering for Reducing EMI

VCC Maintain Mode

Useful Pin Fault Protection:

SENSE Pin Floating

FB/Opto-Coupler Open/Short

Comprehensive System Protection Feature:

Programmable External OTP

Over Load Protection (OLP)

Brown In/Out Protection

Secondary Side OVP (SOVP) and UVP (SUVP)

HSOP-16 (Type SM) Package

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

For automotive applications requiring specific change

control

Applications

Switching AC-DC adapters/chargers

ATX/BTX auxiliary powers

Set-Top Box (STB) power supplies

Open frame switching power supplies