Datasheet Details
- Part number
- APS39903
- Manufacturer
- DIODES ↗
- File Size
- 534.25 KB
- Datasheet
- APS39903-Diodes.pdf
- Description
- COMPATIBLE AC/DC PSR SWITCHER
APS39903 Description
NEW PRODUCT A Product Line of Diodes Incorporated APS39903 PUMP EXPRESSTM COMPATIBLE AC/DC PSR SWITCHER .
Pin Assignments
The APS39903 is a high accuracy and low cost switching mode power supply switcher for battery charger/adapter applications.
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 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). The switcher uses adaptive source current to opt
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