AP3984 - Diodes

AP3984 PRIMARY SIDE POWER SWITCHER

The AP3984 is a power switcher for power supplies with better conversion efficiency, better voltage & current accuracy, and improved protection functions. Typical applications include charger, adapter for ADSL, home appliance power supply and PC auxiliary power supplies. The AP3984 with built in BJT, regulates the output voltage and current in the primary si.

Features

 Primary Side Control for Eliminating Opto-coupler
 Built-in 700V BJT
 Excellent Transient Characteristics
 High Voltage and Super-speed Start up
 External Adjustable Output Cable Voltage Drop Compensation
 Ultra-low No-load Power Consumption(<10mW)
 Multiple PWM/PFM Mode to Improve Audio Noise and Efficiency
 Valley-on for Higher Efficiency and Better EMI
 Multiple Protections:
 Over Voltage Protection (OVP)
 Output Short Circuit Protection (SCP)
 Over Temperature Protection (OTP)
 Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device .