FAN7389MX datasheet(1/18 Pages) FAIRCHILD

Part #	FAN7389MX

Description	3-Phase Half-Bridge Gate-Drive IC

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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September 2010

www.fairchildsemi.com

FAN7389 • Rev. 1.0.0

FAN7389

3-Phase Half-Bridge Gate-Drive IC

Features

Floating Channel for Bootstrap Operation to +600V

Typically 350mA/650mA Sourcing/Sinking Current

Driving Capability for All Channels

Extended Allowable Negative VS Swing to -9.8V for

Signal Propagation at VDD=VBS=15V

Output In-Phase with Input Signal

Over-Current Shutdown Turns off All Six Drivers

Matched Propagation Delay for All Channels

3.3V and 5V Input Logic Compatible

Adjustable Fault-Clear Timing

Built-in Advanced Input Filter

Built-in Shoot-Through Prevention Logic

Built-in Soft Turn-Off Function

Common-Mode dv/dt Noise Canceling Circuit

Built-in UVLO Functions for All Channels

Applications

3-Phase Motor Inverter Driver

Air Conditioners

Washing Machines

General-Purpose Three-Phase Inverters

Description

The FAN7389 is a monolithic three-phase half-bridge

gate-drive IC designed for high-voltage, high-speed

driving MOSFETs and IGBTs operating up to +600V.

Fairchild’s high-voltage process and common-mode

noise canceling technique provide stable operation of

high-side drivers under high-dv/dt noise circumstances.

An advanced level-shift circuit allows high-side gate

driver operation up to VS = -9.8V (typical) for VBS =15V.

The protection functions include under-voltage lockout

and inverter over-current trip with an automatic fault-

clear function.

Over-current protection that terminates all six outputs

can be derived from an external current-sense resistor.

An open-drain fault signal is provided to indicate that an

over-current or under-voltage shutdown has occurred.

The UVLO circuits prevent malfunction when VDD and

VBS are lower than the specified threshold voltage.

Output drivers typically source and sink 350mA and

650mA, respectively; which is suitable for three-phase

half-bridge applications in motor drive systems.

Ordering Information

Part Number

Package

Operating Temperature

Packing Method

FAN7389M

(1)

24-SOP

-40 to +125°C

Tube

FAN7389MX

(1)

Tape & Reel

Note:

1.

These devices passed wave soldering test by JESD22A-111.

24-SOIC

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