Features
- Primary-Side Control for Eliminating Opto-Coupler
- 10mW No-Load Input Power
- Built-In 650V High Performance MOSFET
- Flyback Topology in DCM Operation
- Built-In 0.35V Cable Compensation for CV
- Multiple PWM/PFM Control Mode to Improve Audio Noise and
Efficiency
- VCS Jitter to Reduce System EMI
- Valley-On for the Higher Efficiency and Better EMI
- Multiple Protections:
- Over Voltage Protection (OVP)
- Output Short Circuit Protection (SCP)
- Transformer Saturation Protection (TSP) via Primary
Peak Current Limitation
- Internal and External Over Temperature Protection (OTP)
- Matching AP4341 with Schottky or APR3415CT Series
Synchronous Rectifier Solution
- SO-7 Package
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)

Applications
- Adapter/Chargers for Shaver, Cell/Cordless Phones, PDAs, MP3
and Other Portable Apparatus
- Standby and Auxiliary Power Supplies