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November 2012
FAN7171_F085
High-Current High-Side Gate Drive IC
Features
? Automotive qualified to AEC Q100
? Floating Channel for Bootstrap Operation to +600V
? 4A Sourcing and 4A Sinking Current Driving Capability
? Common-Mode dv/dt Noise Cancelling Circuit
? 3.3V and 5V Input Logic Compatible
? Output In-phase with Input Signal
? Under- Voltage Lockout for V BS
? 25V Shunt Regulator on V DD and V BS
? 8-Lead Small Outline Package (SO 8L NB)
Applications
? Common Rail Injection Systems
? DC-DC Converter
? Motor Drive (Electric Power Steering, Fans)
The FAN7171_F085 is a monolithic high-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 V S =-9.8V (typical) for
V BS =15V.
The UVLO circuit prevents malfunction when V BS is
lower than the specified threshold voltage.
The high-current and low-output voltage drop feature
makes this device suitable for sustain switch driver and
energy recovery switch driver in automotive motor drive
inverter, switching power supply, and high-power DC-DC
converter applications.
SO 8L NB
Description
Ordering Information
Part Number
FAN7171M_F085 (1)
FAN7171MX_F085 (1)
Package
SO 8L NB
Operating
Temperature Range
-40°C ~ 125°C
Eco Status
RoHS
Packing Method
Tube
Tape & Reel
Note:
1. These devices passed wave soldering test by JESD22A-111.
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 2012 Fairchild Semiconductor Corporation
FAN7171_F085 Rev. 1.0.1
www.fairchildsemi.com
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