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NCP4303B - Secondary Side Synchronous Rectification Driver

Download the NCP4303B datasheet PDF. This datasheet also covers the NCP4303A variant, as both devices belong to the same secondary side synchronous rectification driver family and are provided as variant models within a single manufacturer datasheet.

General Description

Pin No.

Key Features

  • Self-Contained Control of Synchronous Rectifier in CCM, DCM, and QR Flyback.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NCP4303A_ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number NCP4303B
Manufacturer onsemi
File Size 1.11 MB
Description Secondary Side Synchronous Rectification Driver
Datasheet download datasheet NCP4303B Datasheet

Full PDF Text Transcription for NCP4303B (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCP4303B. For precise diagrams, and layout, please refer to the original PDF.

NCP4303A, NCP4303B Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies The NCP4303A/B is a full featured controller and driver tailored to...

View more extracted text
es The NCP4303A/B is a full featured controller and driver tailored to control synchronous rectification circuitry in switch mode power supplies. Thanks to its versatility, it can be used in various topologies such as flyback, forward and Half Bridge Resonant LLC. The combination of externally adjustable minimum on and off times helps to fight the ringing induced by the PCB layout and other parasitic elements. Therefore, a reliable and noise less operation of the SR system is insured.

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