LT3503 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LT3503

1A, 2.2MHz Step-Down Switching Regulator in 2mm × 3mm DFN

Linear Technology 

LT3503

TYPICAL APPLICATIO

VIN

6.7V TO 18V

20V MAX

ON OFF

5V Step-Down Converter

VIN

BOOST

LT3503

SHDN

SW

GND FB

1µF

1N4148

0.1µF 3.3µH

MBRM140 61.9k

11.3k

VOUT

5V

1A, VIN > 7.2V

1.2A, VIN > 11V

120pF

10µF

3503 TA05

RELATED PARTS

PART NUMBER DESCRIPTION

COMMENTS

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TSSOP16E Package

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LT3434/LT3435

60V, 2.4A IOUT, 200kHz/500kHz, High Efficiency Step-Down VIN: 3.3V to 60V, VOUT(MIN) = 1.25V, IQ = 100µA, ISD < 1µA,

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LT3437

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3mm × 3mm DFN10 and MS10E Packages

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3mm × 3mm DFN8 and MS8E Packages

LT3506/LT3506A Dual 25V, 1.6A IOUT, 575kHz/1.1MHz High Efficiency

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5mm × 4mm DFN16 Package

Burst Mode is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

3503f

LT 1006 • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2006

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