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February 2007
FAN7842
High and Low Side Gate Driver
Features
Floating Channels Designed for Bootstrap Operation
to +200V
Typically 350mA/650mA Sourcing/Sinking Current
Driving Capability for Both Channels
Common-Mode dv/dt Noise Canceling Circuit
Extended Allowable Negative V S Swing to -9.8V for
Signal Propagation at V CC =V BS =15V
V CC & V BS Supply Range from 10V to 20V
UVLO Functions for Both Channels
TTL-Compatible Input Logic Threshold Levels
Matched Propagation Delay Below 50ns
Output In-phase with Input Signal
Applications
Half- and Full-Bridge Converters
Current-Fed Push-Pull Converters
Synchronous Buck Converters
Ordering Information
Description
The FAN7842, a monolithic high and low side gate drive
IC, which can drive MOSFETs and IGBTs that operate up
to +200V.
Fairchild’s high-voltage process and common-mode
noise canceling technique provide stable operation of the
high-side driver under high-dv/dt noise circumstances.
An advanced level-shift circuit allows high-side gate
driver operation up to V S =-9.8V (typical) for V BS =15V.
The input logic level is compatible with standard TTL-
series logic gates.
The UVLO circuits for both channels prevent malfunction
when V CC and V BS are lower than the specified thresh-
old voltage. Output driver current (source/sink) is typi-
cally 350mA/650mA, respectively.
8-SOP
FAN7842MX
Part Number
FAN7842M (1)
(1)
Operating Temp.
Range
-40 ° C to +125 ° C
Pb-Free
Yes
Package
8-SOP
Packing Method
Tube
Tape & Reel
Note:
1. These devices passed wave soldering test by JESD22A-111.
? 2006 Fairchild Semiconductor Corporation
FAN7842 Rev. 1.0.2
www.fairchildsemi.com
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