LT3507E Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT3507E

Triple Monolithic Step-Down Regulator with LDO

Linear Technology 

LT3507

BLOCK DIAGRAM

VIN1

BIAS

RUN1

RUN2

RUN3

RT/SYNC

INT REG

AND REF

MASTER

OSC

CLK1

CLK2

CLK3

THERMAL

SHUTDOWN

CHANNEL

SHUTDOWN

UNDERVOLTAGE

DETECTION

0.9V

+ C1

SLOPE

R

–

SQ

SLAVE

CLK

OSC

VINSW

OVLO

1.2V

UVLO

DRIVE

SHDN

TRK/SS4

0.8V

FB4

VIN4

VOUT4

VIN

VINX

CIN

BOOST

SW

D2

C3

L1

D1

VOUTX

C1

VC

CF RC

CC

PGOOD

0.4V

+

1.7V

–

ILIMIT

+CLAMP

ERROR

AMP

0.8V

+

80mV

FB

1.25μA

R1

R2

TRK/SS

GND

ONE OF THREE STEP-DOWN REGULATORS

3507 F01

Figure 1. LT3507 Block Diagram with Typical External Components

3507f

8

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