SC1158 데이터 시트보기 (PDF) - Semtech Corporation

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SC1158

PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS

Semtech Corporation 

PROGRAMMABLE SYNCHRONOUS DC/DC

SC1158

CONTROLLER FOR ADVANCED PROCESSORS

Preliminary - August 7, 2000

PIN DESCRIPTION

Pin #

1

2

3

4

5

6

Pin Name

GND

REF

VCC

CS(-)

CS(+)

PGND

Pin Function

Small Signal Analog and Digital Ground

Buffered Reference output

Chip Supply Voltage

Current Sense Input (negative)

Current Sense Input (positive)

Power Ground for High and Low Side Drivers

7

DH

High Side Driver Output

8

DL

Low Side Driver Output

9

BSTL

10 BSTH

11 SHUTDOWN

12 VOSENSE

13

VID3(1)

14

VID2(1)

15

VID1(1)

16

VID0(1)

Vcc for Low Side Driver (Boost)

Vcc for High Side Driver (Boost)

Logic Low shuts down the converter; High or open for normal operation.

Top end of internal feedback chain

Programming Input (MSB)

Programming Input

Programming Input

Programming Input (LSB)

NOTE:

(1) All logic level inputs and outputs are open collector TTL compatible.

PIN CONFIGURATION

© 2000 SEMTECH CORP.

3

652 MITCHELL ROAD NEWBURY PARK CA 91320

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