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