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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com
VLA553-01R / -02R
IGBT Gate Driver + DC/DC Converter
VD
GND
IN1+ IN1– FO1 GND
DC-AC CONVERTER
120 1k 120
DC-AC CONVERTER
IN2+
IN2– FO2 GND
120 1k 120
Circuit Diagram
REGULATOR
DETECT LATCH
AMP
TIMER
SHUTDOWN F.O.
+ +
REGULATOR
DETECT LATCH
AMP
TIMER
SHUTDOWN F.O.
+ +
COLLECTOR CLAMP
C1 G1
E1
COLLECTOR CLAMP
C2 G2
E2
Description: VLA553-01R / -02R is a hybrid integrated circuit designed for driving IGBT modules in the new Mega Power Dual package.