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FAN73901

High- and Low-Side, Gate-Drive IC

Fairchild Semiconductor 

August 2008

FAN73901

High- and Low-Side, Gate-Drive IC

Features

„ Floating Channels for Bootstrap Operation to +600V

„ Typically 2.5A/2.5A Sourcing/Sinking Current Driving

Capability

„ Common-Mode dv/dt Noise Canceling Circuit

„ Built-in Under-Voltage Lockout for Both Channels

„ Matched Propagation Delay for Both Channels

„ 3.3V and 5V Input Logic Compatible

„ Output In-Phase with Input

Applications

„ Half-Bridge Driver

„ HID Lamp Ballast

„ SMPS

„ Motor Driver

Description

The FAN73901 is a monolithic high- and low-side gate-

drive IC, which can drive high-speed MOSFETs and

IGBTs that operate up to +600V. It has a buffered output

stage with all NMOS transistors designed for high pulse

current driving capability and minimum cross-conduction.

Fairchild’s high-voltage process and common-mode

noise canceling techniques provide stable operation of

the high-side driver under high dv/dt noise circum-

stances. An advanced level-shift circuit offers high-side

gate driver operation up to VS=-9.8V (typical) for

VBS=15V.

The UVLO circuit prevents malfunction when VDD and

VBS are lower than the specified threshold voltage.

The high current and low output voltage drop feature

make FAN73901 suitable for the switching power supply,

motor driver, and high-power DC-DC converter

applications.

8-SOP

Ordering Information

Part Number

FAN73901M

FAN73901MX

Package

8-SOP

Operating

Temperature Range

-40°C ~ 125°C

Eco Status

RoHS

Packing Method

Tube

Tape & Reel

For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

© 2008 Fairchild Semiconductor Corporation

FAN73901 • Rev. 1.0.0

www.fairchildsemi.com

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