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February 2010
FAN73932
Half-Bridge Gate Drive IC
Features
Floating Channel for Bootstrap Operation to +600V
Typically 2.5A/2.5A Sourcing/Sinking Current Driving
Capability
Extended Allowable Negative V S Swing to -9.8V for
Signal Propagation at V BS =15V
High-Side Output in Phase of IN Input Signal
3.3V and 5V Input Logic Compatible
Matched Propagation Delay for Both Channels
Built-in Shutdown Function
Built-in UVLO Functions for Both Channels
Built-in Common-Mode dv/dt Noise Canceling Circuit
Internal 400ns Minimum Dead-Time
Applications
High-Speed Power MOSFET and IGBT Gate Driver
Induction Heating
High-Power DC-DC Converter
Synchronous Step-Down Converter
Motor Drive Inverter
Ordering Information
Operating
Description
The FAN73932 is a half-bridge, gate-drive IC with shut-
down and dead-time functions 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 V S =-9.8V (typical) for
V BS =15V.
The UVLO circuit prevents malfunction when V DD and
V BS are lower than the specified threshold voltage.
The high-current and low-output voltage drop feature
makes this device suitable for all kinds of half- and full-
bridge inverters, like motor drive inverter, switching
mode power supply, induction heating, and high-power
DC-DC converter applications.
8-SOP
Part Number
FAN73932M
FAN73932MX
Package
8-SOP
Temperature Range
-40°C to +125°C
Eco Status
RoHS
Packing Method
Tube
Tape & Reel
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 2008 Fairchild Semiconductor Corporation
FAN73932 ? Rev. 1.0.1
www.fairchildsemi.com
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