ZXGD3105N8 - SYNCHRONOUS MOSFET CONTROLLER

Datasheet Summary

Description

ZXGD3105N8 synchronous controller is designed for driving a MOSFET as an ideal rectifier.

This is to replace a diode for increasing the power transfer efficiency.

Features

Proportional Gate Drive to Minimize Body Diode Conduction.
Low Standby Power with Quiescent Supply Current.

Diodes

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Datasheet Details

Part number	ZXGD3105N8
Manufacturer	DIODES
File Size	533.88 KB
Description	SYNCHRONOUS MOSFET CONTROLLER
Datasheet	ZXGD3105N8 Datasheet
Additional preview pages of the ZXGD3105N8 datasheet.

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Full PDF Text Transcription

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Description ZXGD3105N8 synchronous controller is designed for driving a MOSFET as an ideal rectifier. This is to replace a diode for increasing the power transfer efficiency. Proportional Gate drive control monitors the reverse voltage of the MOSFET such that if body diode conduction occurs a positive voltage is applied to the MOSFET’s Gate Pin. Once the positive voltage is applied to the Gate the MOSFET switches on allowing reverse current flow. The controllers’ output voltage is then proportional to the MOSFET Drain-Source voltage and this is applied to the Gate via the driver. This action minimizes body diode conduction whilst enabling a rapid MOSFET turn-off as the Drain current decays to zero.

Published: Mar 2, 2021 |