PRELIMINARY - July 25, 2000
BLOCK DIAGRAM
700mA SmartLDOTM
SC1537
PIN CONFIGURATION
Top View
SO-8
TO-263-5L
PIN DESCRIPTION
Pin Name
DR
GND
VAUX
VIN
VO
SO-8 Pin #
4
5,6,7,8
1
2
3
TO-263-5L Pin # Pin Function
5
Driver output for external P-channel MOSFET pass element.
3/TAB
Logic and power ground.
1
This is the auxiliary input supply, nominally 3.3V.
2
This is the main input supply for the IC, nominally 5V.
4
LDO 3.3V output.
© 2000 SEMTECH CORP.
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