LTC3376

28

Rev 0

For more information www.analog.com



ANALOG DEVICES, INC. 2019

06/19

www.analog.com

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER DESCRIPTION

COMMENTS

LTC3370/

LTC3371

4-Channel 8A Configurable 1A

Buck DC/DCs

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

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

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.

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.

LTC3376

PGNDA-H

7.2V TO 20V

4.7V TO 18V

3.6V TO 13.6V

SWA

SWB

BSTA

3V TO 20V

4.7µF

4.7µF

10µF

TEMP

CFG0

RT

SYNC/MODE

GND

5V

3A

22µF

33µF

47µF

68µF

10µF

×2

10µF

×2

10µF

×2

10µF

×2

(3V)

3376 TA02

BSTB

8

RUN1

PGOOD1

RUN2

PGOOD2

RUN3

PGOOD3

RUN4

PGOOD4

SWC

SWD

BSTC

3.3V, 3A

Note: 3A includes

input current of Buck 4.

BSTD

SWE

SWF

BSTE

2.5V

3A

BSTF

SWG

SWH

BSTG

402k

4.99k

4.99k

4.99k

4.99k

1.8V

3A

680nH

698k

200k

1.5µH

1.05M

200k

2.2µH

1.15M

158k

2.2µH

1.15M

100k

BSTH

CFG1

CFG2

CFG3

CONFIGURATION 0000

1µF

×2

1µF

×2

1µF

×2

1µF

×2