Data Sheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FAN7842 High- and Low-Side Gate Driver
August 2016
FAN7842 Rev. 1.5
FAN7842
High- and Low-Side Gate Driver
Features
 Floating Channels Designed for Bootstrap Operation
to +200 V
 Typically 350 mA/650 mA Sourcing/Sinking Current
Driving Capability for Both Channels
 Common-Mode dv/dt Noise Canceling Circuit
 Extended Allowable Negative V
S
Swing to -9.8 V for
Signal Propagation at V
CC
=V
BS
=15 V
 V
CC
& V
BS
Supply Range from 10 V to 20 V
 UVLO Functions for Both Channels
 TTL Compatible Input Logic Threshold Levels
 Matched Propagation Delay Below 50 nsec
 Output In-phase with Input Signal
Applications
 Battery based motor applications (E-bike, Power Tool)
 Telecom DC-DC converter
Related Resources
 AN-6076 - Design and Application Guide of Bootstrap
Circuit for High-Voltage Gate-Drive IC
 AN-9052 - Design Guide for Selection of Bootstrap
Components
 AN-8102 - Recommendations to Avoid Short Pulse
Width Issues in HVIC Gate Driver Applications
Description
The FAN7842, a monolithic high and low side gate drive
IC, which can drive MOSFETs and IGBTs that operate up
to +200 V.
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 VBS=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 VBS are lower than the specified threshold
voltage. Output driver current (source/sink) is typically
350mA/650mA, respectively.
Ordering Information
Note:
1. These devices passed wave soldering test by JESD22A-111.
8-SOP
Part Number Package
Operating Temperature
Range Packing Method
FAN7842MX
(1)
8-SOP -40C ~ 125C Tape & Reel