LTC3785EUF-1(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC3785EUF-1
(Rev.:RevA)

10V, High Efficiency, Buck-Boost Controller with Power Good

Linear Technology 

LTC3785-1

TYPICAL APPLICATION

1nF

124k 205k

VIN

RUN/SS

VSENSE

VCC

ISVIN

TG1

R1

205k

R2

124k

270pF

VBST1

1.3k

1nF

12k

SW1

ISSW1

VDRV

FB

BG1

LTC3785-1

VC

RT

59k

VOUT

100k

RILSET

42.2k

RT

PGOOD

MODE

ISVOUT

TG2

VBST2

ILSET

SW2

ISSW2

CCM

BG2

GND

VIN

2.7V TO 10V

CVCC

4.7μF

9V REGULATED

WALL ADAPTER

+

Li-Ion

2.7V TO 4.2V

CMDSH-3

CA

0.22μF

CMDSH-3

CB

0.22μF

CIN

MA

22μF

MA = MB = MC = MD = 1/2 Si7940DY

L1 = WÜRTH ELECTRONICS 744311470

D1 = D2 = PMEG2020EJ

OPTIONAL

MB

D1

L1

4.7μH

MD

OPTIONAL

D2

VOUT

3.3V

3A

COUT

MC

100μF

37851 TA02

37851fa

18

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