SC1166-2.5CSW.TR View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

SC1166-2.5CSW.TR

Programmable Synchronous DC/DC Converter, Dual LDO Controller

Semtech Corporation 

POWER MANAGEMENT

Block Diagram

REF

VID4

VID3

VID2

D/A

VID1

VID0

VOSENSE

CS- CS+

VCC

EN

CURRENT LIMIT

70mV

+

-

OSCILLATOR

R

Q

S

PWRGOOD

LDOS1

GATE1

OPEN

COLLECTORS

+

-

+

-

2.5V FET

CONTROLLER

-

+

+

-

ERROR

AMP

AGND

1.265V

REF

1.5V FET

CONTROLLER

SC1166

LEVEL SHIFT

AND HIGH SIDE

MOSFET DRIVE

SHOOT-THRU

CONTROL

BSTH

DH

PGNDH

SYNCHRONOUS

MOSFET DRIVE

BSTL

DL

PGNDL

AGND

LDOV

REF

GATE2 LDOS2 AGND

© 2000 Semtech Corp.

5

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