LTC3452 datasheet(16/16 Pages) LINER

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LTC3452

3452f

©LINEAR TECHNOLOGY CORPORATION 2006

LT 0406 • PRINTED IN THE USA

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

TYPICAL APPLICATIO

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT1618

Constant Current, Constant Voltage 1.4MHz, High Efficiency

VIN: 1.6V to 18V, VOUT(MAX) = 34V, IQ = 1.8mA, ISD = <1µA,

Boost Regulator

MS10 Package/EDD Package

LT1930/LT1930A 1A (ISW), 1.2MHz/2.2MHz, High Efficiency Step-Up

VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD = <1µA,

DC/DC Converter

ThinSOT Package

LT1932

Constant Current, 1.2MHz, High Efficiency White LED

VIN: 1V to 10V, VOUT(MAX) = 34V, IQ = 1.2mA, ISD = <1µA,

Boost Regulator

ThinSOT Package

LT1937

Constant Current, 1.2MHz, High Efficiency White LED

VIN: 2.5V to 10V, VOUT(MAX) = 34V, IQ = 1.9mA, ISD = <1µA,

Boost Regulator

ThinSOT Package/SC70 Package

LTC3205

High Efficiency, Multi-Display LED Controller

VIN: 2.8V to 4.5V, VOUT(MAX) = 6V, IQ = 50µA, ISD = <1µA,

QFN-24 Package

LTC3215

700mA Low Noise High Current LED Charge Pump

VIN: 2.9V to 4.4V, VOUT(MAX) = 5.5V, IQ = 300µA, ISD = <2.5µA,

DFN Package

LTC3216

1A Low Noise High Current LED Charge Pump with

VIN: 2.9V to 4.4V, VOUT(MAX) = 5.5V, IQ = 300µA, ISD = <2.5µA,

Independent Flash/Torch Current

DFN Package

LTC3440/

600mA/1.2A IOUT, 2MHz/1MHz, Synchronous Buck-Boost

VIN: 2.4V to 5.5V, VOUT(MAX) = 5.25V, IQ = 25µA/50µA, ISD = <1µA,

LTC3441

DC/DC Converter

MS-10 Package/DFN Package

LTC3443

600mA/1.2A IOUT, 600kHz, Synchronous Buck-Boost

VIN: 2.4V to 5.5V, VOUT(MAX) = 5.25V, IQ = 28µA, ISD = <1µA,

DC/DC Converter

DFN Package

LTC3453

500mA Synchronous Buck-Boost High Power White

VIN: 2.7V to 5.5V, VOUT(MAX) = 4.5V, IQ = 600µA, ISD = 6µA,

LED Driver

QFN-16 Package

LTC3454

1A Synchronous Buck-Boost High Power White

VIN: 2.7V to 5.5V, VOUT(MAX) = 5.15V, IQ = 825µA, ISD = 0µA,

LED Driver

DFN Package

LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED

VIN: 2.7V to 16V, VOUT(MAX) = 34V, IQ = 1.9mA, ISD = <1µA,

Boost Regulator with Integrated Schottky Diode

ThinSOT Package

LT3466

Dual Constant Current, 2MHz, High Efficiency White LED

VIN: 2.7V to 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD = <16µA,

Boost Regulator with Integrated Schottky Diode

DFN Package

LT3479

3A, Full Featured DC/DC Converter with Soft-Start and

VIN: 2.5V to 24V, VOUT(MAX) = 40V, IQ = 6.5mA, ISD = <1µA,

Inrush Current Protection

DFN Package/TSOPP Package

× 20mA White LED Display + 2 × 150mA Camera Light Driver

1MHz

BUCK/BOOST

LTC3452

ENL

0.1

µF

ISETL

10.2k

ENH

LEDH1

150mA

LEDH2

GND

PGND

EXPOSED PAD

D1, D2: AOT 2015

D3-D6: NICHIA NSCW100

L: COILCRAFT D03314-472

ISETH

4.02k

2.2

µF

4.7

µH

PVIN

VIN

3V TO 5.5V

VOUT

SW1

SW2

4.7

µF

LOW

POWER

LED

BANK

3452 TA02a

LEDL1, 20mA

LEDL2, 20mA

LEDL3, 20mA

LEDL4, 20mA

LEDL5, UNUSED

LTC3452 Datasheet(PDF) 16 Page - Linear Technology

LTC3452 Datasheet(HTML) 16 Page - Linear Technology

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