LTC3441 datasheet(16/16 Pages) LINER

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LTC3441

3441fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0507 REV A • PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

®1613

550mA (ISW) 1.4MHz High Efficiency Step-Up DC/DC Converter

VIN: 0.9V to 10V, VOUT(MAX): 34V, IQ: 3mA,

ISD: ≤ 1μA, ThinSOT

LT1615/LT1615-1

300mA/80mA (ISW) Constant Off-Time, High Efficiency Step-Up

VIN: 1.2V to 15V, VOUT(MAX): 34V, IQ: 20μA,

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ISD: ≤ 1μA, ThinSOT

LT1616

500mA (IOUT) 1.4MHz High Efficiency Step-Down DC/DC Converter High Efficiency, VIN: 3.6V to 25V, VOUT(MIN): 1.25V, IQ: 1.9mA,

ISD: ≤ 1μA, ThinSOT

LTC1776

500mA (IOUT) 200kHz High Efficiency Step-Down DC/DC Converter

High Efficiency, VIN: 7.4V to 40V, VOUT(MIN): 1.24V, IQ: 3.2mA,

ISD: 30μA, N8, S8

LTC1877

600mA (IOUT) 550kHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.7V to 10V, VOUT(MIN): 0.8V, IQ: 10μA,

ISD: ≤ 1μA, MS8

LTC1878

600mA (IOUT) 550kHz Synchronous Step-Down DC/DC Converter

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ISD: ≤ 1μA, MS8

LTC1879

1.2A (IOUT) 550kHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.7V to 10V, VOUT(MIN): 0.8V, IQ: 15μA,

ISD: ≤ 1μA, TSSOP16

LT1930/LT1930A

1A (ISW) 1.2MHz/2.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.6V to 16V, VOUT(MAX): 34V, IQ: 5.5mA,

ISD: ≤ 1μA, ThinSOT

LTC3405/LTC3405A 300mA (IOUT) 1.5MHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.7V to 6V, VOUT(MIN): 0.8V, IQ: 20μA,

ISD: ≤ 1μA, ThinSOT

LTC3406/LTC3406B 600mA (IOUT) 1.5MHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 0.6V, IQ: 20μA,

ISD: ≤ 1μA, ThinSOT

LTC3407

600mA (IOUT) ×2 1.5MHz Dual Synchronous Step-Down

96% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 0.6V, IQ: 40μA,

DC/DC Converter

ISD: ≤ 1μA, 10-Lead MS

LTC3411

1.25A (IOUT) 4MHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 0.8V, IQ: 60μA,

ISD: ≤ 1μA, 10-Lead MS

LTC3412

2.5A (IOUT) 4MHz Synchronous Step-Down DC/DC Converter

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 0.8V, IQ: 60μA,

ISD: ≤ 1μA, TSSOP16E

LTC3440

600mA (IOUT) 2MHz Synchronous Buck-Boost DC/DC Converter

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN): 2.5V, IQ: 25μA,

ISD: ≤ 1μA, 10-Lead MS

ThinSOT is a trademark of Linear Technology Corporation.

TYPICAL APPLICATIO

SW1

PVIN

VIN

SHDN/SS

MODE/SYNC

PGND

SW2

VOUT

GND

PGND

LTC3441

μF

C1: TAIYO YUDEN JMK212BJ106MG

C2: SANYO MV-AX SERIES

L1: TOKO A916CY-4R7M

VIN

2.5V TO 5.5V

1A MAX

24k

AVERAGE INPUT

CURRENT CONTROL

1N914

0.05

392k

COUT

2200

μF

VOUT

3.6V

2A (PULSED)

200k

24k

10nF

3441 TA05

μH

–

1/2 LT1490A

1.22 • R4

R5 • RS

ICURRENTLIMIT =

2N3906

–

1/2 LT1490A

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