LTC3621 datasheet(16/16 Pages) LINER

16 / 16 page

LTC3621/LTC3621-2

3621f

For more information www.linear.com/LTC3621



LINEAR TECHNOLOGY CORPORATION 2013

LT 0313 • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC3621

relaTeD parTs

Typical applicaTion

PART NUMBER

DESCRIPTION

COMMENTS

LTC3646/

LTC3646-1

40V, 1A (IOUT), 3MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 4V to 40V, VOUT(MIN) = 0.6V, IQ = 140µA, ISD < 8µA,

3mm

× 4mm DFN-14, MSOP-16E Packages

LTC3600

1.5A, 15V, 4MHz Synchronous Rail-to-Rail Single

Resistor Step-Down Regulator

95% Efficiency, VIN: 4V to 15V, VOUT(MIN) = 0V, IQ = 700µA, ISD < 1µA,

3mm

× 3mm DFN-12, MSOP-12E Packages

LTC3601

15V, 1.5A (IOUT) 4MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 4.5V to 15V, VOUT(MIN) = 0.6V, IQ = 300µA, ISD < 1µA,

4mm

× 4mm QFN-20, MSOP-16E Packages

LTC3603

15V, 2.5A (IOUT) 3MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 4.5V to 15V, VOUT(MIN) = 0.6V, IQ = 75µA, ISD < 1µA,

4mm

× 4mm QFN-20, MSOP-16E Packages

LTC3633/

LTC3633A

15V, Dual 3A (IOUT) 4MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 3.6V to 15V, VOUT(MIN) = 0.6V, IQ = 500µA, ISD < 15µA,

4mm

× 5mm QFN-28, TSSOP-28E Packages. A Version Up to 20VIN

LTC3605/

LTC3605A

15V, 5A (IOUT) 4MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 4V to 15V, VOUT(MIN) = 0.6V, IQ = 2mA, ISD < 15µA,

4mm

× 4mm QFN-24 Package. A Version Up to 20VIN

LTC3604

15V, 2.5A (IOUT) 4MHz Synchronous Step-Down

DC/DC Converter

95% Efficiency, VIN: 3.6V to 15V, VOUT(MIN) = 0.6V, IQ = 300µA, ISD < 14µA,

3mm

× 3mm QFN-16, MSOP-16E Packages

LTC1877

600mA (IOUT) 550kHz Synchronous Step-Down

DC/DC Converter

VIN: 2.7V to 10V, VOUT(MIN) = 0.8V, IO = 10µA, ISD < 1µA, MSOP-8 Package

LT8610/LT8611

42V, 2.5A (IOUT) Synchronous Step-Down

DC/DC Converter

96% Efficiency, VIN: 3.4V to 42V, VOUT(MIN) = 0.97V, IQ = 2.5µA, ISD < 1µA,

MSOP-16E Package

187k

CFB

22pF

1µF

COUT

22µF

3621 TA02

3.3µH

VOUT

25.5k

VIN

RUN

VIN

12V

LTC3621-2

GND

MODE

INTVCC

CIN

10µF

5VOUT with 400mA Burst Mode Operation, 2.25MHz

1.2VOUT, Forced Continuous Mode, 1MHz

22pF

1µF

22µF

1.2V

2.7V TO 17V

3621 TA03

3.3µH

604k

VIN

RUN

LTC3621

GND

MODE

INTVCC

10µF

604k

VOUT

VIN

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