Datasheet4U Logo Datasheet4U.com

APS39903 Datasheet Compatible AC/dc Psr Switcher

Manufacturer: Diodes Incorporated

Overview: NEW PRODUCT A Product Line of Diodes Incorporated APS39903 PUMP EXPRESSTM PATIBLE AC/DC PSR.

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 side by piece-wise Pulse Frequency Modulation (p-PFM) in discontinuous conduction mode (DCM).

Key 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.
  • ±5% Constant Voltage Accuracy for 5V Output.
  • Audio Noise Suppression.
  • Open Circuit Protection (OCkP).
  • Current Sense Resistor Short Protection.
  • Over Voltage Protection (OVP).

More Datasheets from Diodes Incorporated

Part Number Description

APS39903 Distributor