LTC3246 datasheet(20/20 Pages) LINER

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LTC3246

3246fa

For more information www.linear.com/LTC3246

ANALOG DEVICES, INC. 2016

LT 1217 REV A • PRINTED IN USA

www.linear.com/LTC3246

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

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

LTC3245

High Voltage, Low Noise 250mA

Buck-Boost Charge Pump

VIN Range: 2.7V to 38V, VOUT Range: 2.5V to 5V, IQ = 18µA, ISD = 4µA, 3mm × 4mm DFN and

12-Pin MSE Packages

LTC3255

Wide VIN Range Fault Protected 50mA

Step-Down Charge Pump

VIN Range: 4V to 48V, VOUT Range: 2.4V to 15V, IQ = 20µA, 10-Pin 3mm × 3mm DFN and

MSE Packages

LTC3256

Wide VIN Range Dual Output 350mA

Step-Down Charge Pump with WDT

VIN Range: 5.5V to 38V, VOUT Range: 5V/3.3V, IQ = 18µA, 16-Pin MSE Package

LTC3246

3246 TA03

VIN

SEL2

SEL1

BIAS

WDI

C+

C–

VOUT

OUTS/ADJ

RST

RSTI

1µF

22µF

10µF

500k

2.2µF

VIN = 2.7V TO 38V

VOUT = 3.3V

IOUT UP TO 500mA

GND

RST

Reduced Ripple 3.3V Output with Watchdog Timing Disabled

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