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NCP4307AASNT1G is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback and forward.

Features

Self−Contained Control of Synchronous Rectifier in CCM, DCM and QR for Flyback Applications

Precise True Secondary Zero Current Detection

Typically 15 ns Turn off Delay from Current Sense Input to Driver

Rugged Current Sense Pin (up to 200 V)

Self−Supply Capability in Case of High Side Operation or Low VOUT

Ultrafast Turn−off Trigger Interface/Disable Input (10.5 ns)

Internal Minimum ON−Time With Reverse Current Protection

Internal Minimum OFF−Time with Ringing Detection

Improved Robust Self Synchronization Capability

7 A / 2 A Peak Current Sink / Source Drive Capability

Operating Voltage Range up to VCC = 35 V

Automatic Light−Load Disable Mode

High Side Operation Capability without External Components or Auxiliary Winding

Two VCC Pins Option Allows to Optimize Power Consumption in Wide VOUT Range Applications

Low Startup and Disable Current Consumption

TSOP6 Package

These are Pb−Free Devices

Applications

Notebook Adapters

High Power Density AC/DC Power Supplies (Cell Phone Chargers)

LCD TVs

All SMPS with High Efficiency Requirements

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