LTC3422 datasheet(16/16 Pages) LINER

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LTC3422

3422fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

©LINEAR TECHNOLOGY CORPORATION 2005

LT 0406 REV A PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC3400/LTC3400B

600mA (ISW), 1.2MHz, Synchronous Step-Up DC/DC

92% Efficiency, VIN: 0.85V to 5V, VOUT(MAX) = 5V, IQ = 19µA/300µA,

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ISD < 1µA, ThinSOT

LTC3401

1A (ISW), 3MHz, Synchronous Step-Up DC/DC Converter

97% Efficiency, VIN: 0.5V to 5V, VOUT(MAX) = 5.5V, IQ = 38µA,

ISD < 1µA, MS10

LTC3402

2A (ISW), 3MHz, Synchronous Step-Up DC/DC Converter

97% Efficiency, VIN: 0.5V to 5V, VOUT(MAX) = 5.5V, IQ = 38µA,

ISD < 1µA, MS10

LTC3421

3A (ISW), 3MHz, Synchronous Step-Up DC/DC Converter

95% Efficiency, VIN: 0.5V to 4.5V, VOUT(MAX) = 5.25V, IQ = 12µA,

with Output Disconnect

ISD < 1µA, QFN24

LTC3423/LTC3424

1A/2A (ISW), 3MHz, Synchronous Step-Up DC/DC

95% Efficiency, VIN: 0.5V to 5.5V, VOUT(MAX) = 5.5V, IQ = 38µA,

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LTC3425

5A (ISW), 8MHz, (Low Ripple), 4-Phase Synchronous

95% Efficiency, VIN: 0.5V to 4.5V, VOUT(MAX) = 5.25V, IQ = 12µA,

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ISD < 1µA, QFN32

LTC3426

2A (ISW), 1.2MHz, Step-Up DC/DC Converter

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LTC3428

500mA (ISW), 1.25MHz/2.5MHz, Synchronous Step-Up

92% Efficiency, VIN: 1.8V to 5V, VOUT(MAX) = 5.25V, ISD < 1µA,

DC/DC Converter with Output Disconnect

2mm

× 2mm DFN

LTC3429

600mA (ISW), 500kHz, Synchronous Step-Up DC/DC

96% Efficiency, VIN: 0.5V to 4.4V, VOUT(MAX) = 5V, IQ = 20µA/300µA,

Converter with Output Disconnect and Soft-Start

ISD < 1µA, ThinSOT

LTC3525-3.3/

400mA (ISW), Synchronous Step-Up DC/DC

94% Efficiency, VIN: 0.8V to 4.5V, VOUT(MAX) = 5.25V, IQ = 7µA,

LTC3525-5

Converter in SC70 Package

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ThinSOT is a trademark of Linear Technology Corporation.

PACKAGE DESCRIPTIO

3.00

±0.10

(4 SIDES)

NOTE:

1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).

CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT

2. DRAWING NOT TO SCALE

3. ALL DIMENSIONS ARE IN MILLIMETERS

4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE

5. EXPOSED PAD SHALL BE SOLDER PLATED

6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE

TOP AND BOTTOM OF PACKAGE

0.38

± 0.10

BOTTOM VIEW—EXPOSED PAD

1.65

± 0.10

(2 SIDES)

0.75

±0.05

R = 0.115

TYP

2.38

±0.10

(2 SIDES)

PIN 1

TOP MARK

(SEE NOTE 6)

0.200 REF

0.00 – 0.05

(DD10) DFN 1103

0.25

± 0.05

2.38

±0.05

(2 SIDES)

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

1.65

±0.05

(2 SIDES)

2.15

±0.05

0.50

BSC

0.675

±0.05

3.50

±0.05

PACKAGE

OUTLINE

0.25

± 0.05

0.50 BSC

DD Package

10-Lead Plastic DFN (3mm

× 3mm)

(Reference LTC DWG # 05-08-1699)

LTC3422 Datasheet(PDF) 16 Page - Linear Technology

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