Datasheet > LTC3371

LTC3371

更新时间： 2022-10-12 13:23:44

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	1625K
描述
20V, 4-Channel Buck DC/DC with 8x Configurable 1.5A Power Stages

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LTC3371 数据手册

LTC3376

TYPICAL APPLICATION

Four Rail (5V/3.3V/2.5V/1.8V, 3A) System with Bootstrapped EXTV_CCDrive

3V TO 20V

4.7µF

7.2V TO 20V

INA

1µF

×2

10µF

×2

INB

BSTA

BSTB

2.2µH

EXTV

SWA

SWB

INTV

(3V)

4.7µF

1.15MΩ

100k

CC_P

FB1

22µF

10µF

–

LTC3376

FB1

4.7V TO 18V

INC

1µF

×2

10µF

×2

RUN1

RUN2

RUN3

RUN4

IND

BSTC

BSTD

2.2µH

SWC

SWD

3.3V, 3A

1.15MΩ

Note: 3A includes

input current of Buck 4.

FB2

PGOOD1

PGOOD2

PGOOD3

PGOOD4

33µF

158k

–

FB2

3.6V TO 13.6V

INE

1µF

×2

10µF

×2

INF

MON1

MON2

MON3

MON4

BSTE

BSTF

1.5µH

2.5V

SWE

SWF

4.99k

1.05MΩ

FB3

47µF

200k

–

FB3

TEMP

ING

INH

SYNC/MODE

1µF

×2

10µF

×2

402k

BSTG

BSTH

680nH

698k

1.8V

SWG

SWH

CFG0

CFG1

CFG2

CFG3

FB4

68µF

CONFIGURATION 0000

200k

–

FB4

GND PGNDA-H

3376 TA02

RELATED PARTS

PART NUMBER DESCRIPTION

COMMENTS

LTC3370/

LTC3371

4-Channel 8A Configurable 1A Four Synchronous Buck Regulators with 8× 1A Power Stages. Can Connect Up to Four Power Stages in

Buck DC/DCs

Parallel to Make a High Current Output (4A Max) with a Single Inductor. 8 Configurations Possible, Precision

PGOOD Indication. 800mV FB Regulation. LTC3371 Has a Watchdog Timer; Buck 1 Accuracy 1%, others

2.5%; LTC3370: 32-Lead 5mm × 5mm QFN. LTC3371: 38-Lead 5mm × 7mm QFN and TSSOP.

LTC3374/

LTC3375

8-Channel Parallelable 1A Buck Eight 1A Synchronous Buck Regulators. Can Connect Up to Four Power Stages in Parallel to Make a

DC/DCs

High Current Output (4A Max) with a Single Inductor. 15 Configurations Possible. 800mV FB Regulation.

All Bucks 2.5% Accuracy. LTC3375 Has I C Programming with a Watchdog Timer and Pushbutton;

LTC3374: 38-Lead 5mm × 7mm QFN and TSSOP, LTC3375: 48-Lead 7mm × 7mm QFN.

LTC3374A

High Accuracy 8-Channel

Parallelable 1A Buck DC/DCs

Eight 1A Synchronous Buck Regulators. Can Connect Up to Four Power Stages in Parallel to Make a

High Current Output (4A Max) with a Single Inductor; 15 Configurations Possible. 800mV FB Regulation.

Buck 1 Accuracy 1%, Others 2%; Overvoltage Monitor Included in PGOOD.

Rev 0

06/19

www.analog.com

 ANALOG DEVICES, INC. 2019

For more information www.analog.com

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