PRELIMINARY - September 11, 2000
BLOCK DIAGRAM
SHUNT REGULATOR WITH OPEN
COLLECTOR OR OUTPUT
SC4431
PIN CONFIGURATION
SOT-23 -5 Lead (Top View)
PIN DESCRIPTION
Pin Pin Name Pin Function
1
VCC This is the input supply pin for the IC.
2
GND Logic and power ground.
3
NC No connection.
4
REF This is connected to the non-inverting input of the error amplifier.
5
OUT This is the output pin of the device, essentially an open collector.
© 2000 SEMTECH CORP.
4
652 MITCHELL ROAD NEWBURY PARK CA 91320