LT3694IUFD(RevA) Просмотр технического описания (PDF) - Linear Technology

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производитель

LT3694IUFD
(Rev.:RevA)

36V, 2.6A Monolithic Buck Regulator With Dual LDO

Linear Technology 

LT3694/LT3694-1

TYPICAL APPLICATION

6V to 28V Input Range with Cascaded Step Down — 3.3V, 2.5V and 1.8V Outputs

Plus Independently Enabled 1.8V, 1.5V and 1.2V Outputs

VIN

6V TO 28V

TRANSIENT TO 70V

10μF

52.3k

200k

1nF

OUT1

OUT2

2.5V

450mA

0.1Ω

ZXTN25012EZ

2.2μF 24.9k

10.7k

EN/UVLO VIN BIAS BST

TRK/SS1

TRK/SS2

TRK/SS3

0.1μF 2.2μH

SW

B340A

34k

DA

LIM2

LT3694-1

FB1

30.9k 270pF

VC1

10k

22μF

DRV2

LIM3

0.2Ω

OUT1

FB2

CLKOUT

PGOOD RT GND

DRV3

ZXTN25012EZ OUT3

1.8V

14k

200mA

2.2μF

FB3

10k

40.2k

fSW = 1MHz

OUT1

3.3V

500mA

EN4

EN5

EN6

OUT4

1.8V, 800mA

2.2μF

10μF

10μF

GNDA

PGND

1.5μH

20pF

VIN PVIN

RUN1

SW2

PGOOD1

RUN2

VFB2

PGOOD2

RUN3 LTC3545

SYNC/MODE

SW1

SW3

1.5μH

20pF

226k 226k

1.5μH

20pF

511k

VFB1 GNDA

255k

PGND VFB3

200k 301k

OUT5

1.2V

800mA

10μF

OUT6

1.5V, 800mA

10μF

36941 TA05

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LT3507

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28 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

COMMENTS

VIN: 3.6V to 38V, VOUT(MIN) = 0.78V, IQ = 70μA, ISD < 1μA,

3mm × 3mm DFN-10 and MSOP-10E Packages

VIN: 3.6V to 36V, VOUT(MIN) = 0.8V, IQ = 2.5mA, ISD < 10μA,

3mm × 3mm DFN-10 Package

VIN: 4V to 36V, VOUT(MIN) = 0.8V, IQ = 7mA, ISD < 1μA,

5mm × 7mm QFN-38 Package

VIN: 3.6V to 38V, VOUT(MIN) = 0.78V, IQ = 70μA, ISD < 1μA,

3mm × 3mm DFN-10 and MSOP-10E Packages

VIN: 4V to 40V, Transient to 60V, VOUT(MIN) = 1.21V, IQ = 2μA,

ISD < 1μA, 3mm × 2mm DFN-10 and MSOP-10 Packages

VIN: 3.6V to 58V, Transient to 80V, VOUT(MIN) = 0.8V, IQ = 85μA,

ISD < 1μA, 3mm × 4mm DFN-16 and MSOP-16E Packages

36941fa

LT 0111 REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2010

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