LTC3413 datasheet(20/20 Pages) LINER

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LTC3617

3617fa

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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



LINEAR TECHNOLOGY CORPORATION 2011

LT 0711 REV A • PRINTED IN USA

relateD parts

typical application

DDR2 Termination, 1MHz

External Start-Up

PART NUMBER

DESCRIPTION

COMMENTS

LTC3616

5.5V, 6A (IOUT) 4MHz Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,

IQ = 70µA, ISD < 1µA, 3mm × 5mm QFN24 Package

LTC3612

5.5V, 3A (IOUT), 4MHz, Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,

IQ = 70µA, ISD <1µA, 3mm ×4mm QFN-20 TSSOP20E Package

LTC3418

5.5V, 8A (IOUT), 4MHz, Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,

IQ = 380µA, ISD <1µA, 5mm × 7mm QFN-38 Package

LTC3415

5.5V, 7A (IOUT), 1.5MHz, Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.5V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,

IQ = 450µA, ISD <1µA, 5mm × 7mm QFN-38 Package

LTC3416

5.5V, 4A (IOUT), 4MHz, Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,

IQ = 64µA, ISD <1µA, TSSOP20E Package

LTC3413

5.5V, 3A (IOUT Sink/Source), 2MHz, Monolithic Synchronous

Regulator for DDR/QDR Memory Termination

90% Efficiency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = VREF/2,

IQ = 280µA, ISD <1µA, TSSOP16E Package

LTC3412A

5.5V, 2.5A (IOUT), 4MHz, Synchronous Step-Down DC/DC

Converter

95% Efficiency, VIN(MIN) = 2.5V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,

IQ = 60µA, ISD <1µA, 4mm × 4mm QFN-16 TSSOP16E Package

RUN

VDDQIN

PGOOD

ITH

PGOOD

SGND

PGND

VIN

2.25V TO 5.5V

VDDQ

1.8V

VTTR

SVIN

LTC3617

PVIN

0.33µH

3617 TA04a

SYNC

VFB

100µF

47µF

CC1

10pF

22µF

×4

2.2nF

VTT

0.9V

±6A

0.1µF

VREF

0.9V

±10mA

100k

365k

L1: COILCRAFT D03316T

500mV/DIV

400µs/DIV

3617 TA04b

VDDQ

VREF/VTT

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