SC1186 Ver la hoja de datos (PDF) - Semtech Corporation

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componentes Descripción

Fabricante

SC1186

Programmable Synchronous DC/DC Converter, Dual LDO Controller

Semtech Corporation 

SC1186

POWER MANAGEMENT

Block Diagram

VID4

VID3

VID2

VID1

VID0

VOSENSE

AGND

LDOEN

LDOS1

GATE1

VCC

CS- CS+

EN

REF

70mV

CURRENT

LIMIT

+

-

+

D/A

-

-

ERROR

+

AMP

OSCILLATOR

R

Q

S

2.5V FET

CONTROLLER

1.275V

REF

1.5V FET

CONTROLLER

LDOV REF

GATE2 LDOS2

BSTH

LEVEL SHIFT AND

HIGH SIDE DRIVE

DH

PGNDH

SHOOT-THRU

CONTROL

SYNCHRONOUS

MOSFET DRIVE

BSTL

DL

PGNDL

 2004 Semtech Corp.

5

www.semtech.com

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