LTC3245 datasheet(18/18 Pages) LINER

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LTC3245

3245fa

For more information www.linear.com/LTC3245

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LINEAR TECHNOLOGY CORPORATION 2013

LT 0713 REV A • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC3245

relaTeD parTs

Typical applicaTion

PART NUMBER

DESCRIPTION

COMMENTS

LTC1751-3.3/

LTC1751-5

100mA, 800kHz Regulated Doubler

VIN: 2V to 5V, VOUT(MAX) = 3.3V/5V, IQ = 20μA, ISD < 2μA, MS8 Package

LTC1983-3/

LTC1983-5

100mA, 900kHz Regulated Inverter

VIN: 3.3V to 5.5V, VOUT(MAX) = –3V/–5V, IQ = 25μA, ISD < 2μA, ThinSOT™ Package

LTC3200-5

100mA, 2MHz Low Noise, Doubler/

White LED Driver

VIN: 2.7V to 4.5V, VOUT(MAX) = 5V, IQ = 3.5mA, ISD < 1μA, ThinSOT Package

LTC3202

125mA, 1.5MHz Low Noise, Fractional

White LED Driver

VIN: 2.7V to 4.5V, VOUT(MAX) = 5.5V, IQ = 2.5mA, ISD < 1μA, DFN, MS Packages

LTC3204-3.3/

LTC3204B-3.3/

LTC3204-5/

LTC3204B-5

Low Noise, Regulated Charge Pumps

in (2mm × 2mm) DFN Package

VIN: 1.8V to 4.5V (LTC3204B-3.3), 2.7V to 5.5V (LTC3204B-5), IQ = 48μA, B Version without

Burst Mode Operation, 6-Lead (2mm × 2mm) DFN Package

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

Package

LTC3441

High Current Micropower 1MHz

Synchronous Buck-Boost DC/DC

Converter

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 2.5V, IQ = 25μA, ISD ≤ 1μA, DFN Package

LTC3443

High Current Micropower 600kHz

Synchronous Buck-Boost DC/DC

Converter

96% Efficiency, VIN: 2.4V to 5.5V, VOUT(MIN) = 2.4V, IQ = 28μA, ISD < 1μA, DFN Package

LTC3240-3.3/

LTC3240-2.5

3.3V/2.5V Step-Up/Step-Down Charge

Pump DC/DC Converter

VIN: 1.8V to 5.5V, VOUT(MAX) = 3.3V / 2.5V, IQ = 65μA, ISD < 1μA, (2mm × 2mm) DFN Package

LTC3260

Low Noise Dual Supply Inverting

Charge Pump

VIN Range: 4.5V to 32V, IQ = 100µA, 100mA Charge Pump, 50mA Positive LDO, 50mA

Negative LDO

LTC3261

High Voltage Low IQ Inverting Charge

Pump

VIN Range: 4.5V to 32V, IQ = 60µA, 100mA Charge Pump

C+

C–

VIN

SEL2

BURST

SEL1

VOUT

OUTS/ADJ

PGOOD

GND

LTC3245

4 × AA

VOUT = 5V

IVOUT UP TO 250mA

3245 TA05

1µF

12V TO 24V

1µF

10µF

Wide VIN 5V Supply with Battery Backup

LTC3245 Datasheet(PDF) 18 Page - Linear Technology

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