APS39903

COMPATIBLE AC/DC PSR SWITCHER

Diodes

APS39903 Features

* Compatible to MediaTek Pump ExpressTM Protocol

* Ultra-Low Standby Power Consumption

* Built-in NPN Transistor with 700VCBO

* Valley-turn On to Reduce Switching Loss and Benefit for EMI

* Piece-wise Frequency Reduction to Enhance Conversion Efficiency and Suppress Audio Noise

APS39903 General Description

Pin Assignments The APS39903 is a high accuracy and low cost switching mode power supply switcher for battery charger/adapter applications. It is consists of a primary side regulation controller and a high voltage transistor. The controller regulates the output voltage and current in the primary s.

APS39903 Datasheet (534.25 KB)