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March 2013
FAN7888
3 Half-Bridge Gate-Drive IC
Features
? Floating Channel for Bootstrap Operation to +200V
? Typically 350 mA / 650 mA Sourcing/Sinking Current
Driving Capability for All Channels
? 3 Half-Bridge Gate Driver
? Extended Allowable Negative V S Swing to -9.8 V for
Signal Propagation at V BS =15 V
? Matched Propagation Delay Time Maximum: 50 ns
? 3.3 V and 5 V Input Logic Compatible
? Built-in Shoot-Through Prevention Circuit for All
Channels with 270 ns Typical Dead Time
? Built-in Common Mode dv/dt Noise Canceling Circuit
? Built-in UVLO Functions for All Channels
Description
The FAN7888 is a monolithic three half-bridge gate-drive
IC designed for high-voltage, high-speed driving MOS-
FETs and IGBTs operating up to +200 V.
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 V S =-9.8 V (typical) for V BS =15 V.
The UVLO circuits prevent malfunction when V DD and
V BS are lower than the specified threshold voltage.
Output drivers typically source/sink 350 mA / 650 mA,
respectively, which is suitable for three-phase half-bridge
applications in motor drive systems.
Applications
? 3-Phase Motor Inverter Driver
20-SOIC
Ordering Information
Operating
Part Number
FAN7888MX
? 2008 Fairchild Semiconductor Corporation
Package
20-SOIC
Temperature Range
-40°C to +125°C
Packing Method
Tape & Reel
www.fairchildsemi.com
FAN7888 ? Rev. 1.0.1
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