Features

- Active Clamp Flyback Topology with Recycled Leakage Energy

and Pseudo Zero Voltage Switching Functions

- High-Voltage Startup

- Embedded VCC LDO for VCCL Pin to Guarantee Wide Range

Output Voltage

- Non-Audible-Noise Quasi-Resonant Control

- Soft Start During Startup Process

- Frequency Foldback for High Average Efficiency

- Secondary Winding Short Protection with FOCP

- Frequency Dithering for Reducing EMI

- X-CAP Discharge Function

- Useful Pin Fault Protection

- CS Pin Floating Protection

- FB/Opto-Coupler Open/Short Protection

- Comprehensive System Protection Features:

- VCC Overvoltage Protection (VOVP)

- Overload Protection (OLP)

- Brown-Out Protection (BNO)

- Secondary-Side OVP (SOVP) and UVP (SUVP)

- Packaged in the SO-10 (Type A1)

- 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

- Smartphone quick chargers

- Notebook computer adapters

- High-Power density adapters/chargers: 30W/inch3

- Compact switching AC-DC adapter/charger

- Suitable for variable output voltage applications (USB PD, QC, SCP, VSCP, VOOC, AFC, etc.)

- ATX/BTX auxiliary power applications

- Set-top box (STB) power supplies

- Open-frame switching power supplies