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NDP7931KC
产品概述

NDP7931KC is a synchronous rectifier for switch mode power supplies, which combines an N-Channel MOSFET and a driver circuit designed for synchronous rectification in DCM ,QR and CCM operation.
      The synchronous rectification can effectively reduce the secondary side rectifier power dissipation and provide high performance solution. By sensing MOSFET SW-to-source voltage, NDP7931KC can output ideal drive signal with less external components. It can provide high performance solution for 3V to 30V output voltage application.


原理图

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特点

Supports CCM, DCM and Quasi-Resonant Topologies

Wide VIN pin operating voltage up to 30V

Optimized for output voltages from 3V to 30V in multi-level output voltage and current applications

Supports Low-side/High-side Rectification

Max 150kHz Switching Frequency

Fast Turn-off Total Delay of 12ns

Compatible with Energy Star

~320uA Low Quiescent Current

Available in SOP8 Package


应用领域

Chargers for Cell Phones

AC/DC adapter

Industrial Power Systems

Flyback Converters  



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