LTC3788-1(RevA) 查看數據表（PDF） - Linear Technology

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LTC3788-1
(Rev.:RevA)

2-Phase, Dual Output Synchronous Boost Controller

Linear Technology 

LTC3788-1

BLOCK DIAGRAM

1.32V +

–

VFB1

+

1.08V –

FREQ

20μA

PGOOD1

CLK2

VCO CLK1

PFD

PLLIN/

MODE

100k

SYNC

DET

VBIAS

EXTVCC

5.4V

LDO

EN

+

4.8V –

5.4V

LDO

EN

INTVCC

SHDN

–+

3.8V

SGND

DUPLICATE FOR SECOND CONTROLLER CHANNEL

S

Q

R

SHDN

BOOST

TG

SWITCHING

LOGIC

AND

CHARGE

PUMP

SW

INTVCC

BG

0.425V +

–

SLEEP

INTVCC

DB

CB

PGND

VOUT

COUT

–+

2.8V

0.7V

SLOPE COMP

+

+– –

2mV

SENSE –

SENSE+

SENS LO

VFB

2.5V

EA

1.2V

SS

L

RSENSE

VIN

CIN

0.5μA/

4.5μA

11V

10μA

OV

1.32V

ITH

CC

CC2

RC

SHDN

RUN

SENS

LO

SS

CSS

37881 BD

37881fa

10

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