LT3045 datasheet(36/36 Pages) LINER

36 / 36 page

LT3045-1

30451fa

For more information www.linear.com/LT3045-1

LT 0917 REV A • PRINTED IN USA



LINEAR TECHNOLOGY CORPORATION 2017

www.linear.com/LT3045-1

RELATED PARTS

TYPICAL APPLICATION

100µA

EN/UV

PGFB

GND

OUT

LT3045-1

ILIM

10µF

20m

VOUT: VARIABLE

IOUT(MAX): 1A

30451 TA13

SET

OUTS

100µA

EN/UV

PGFB

GND

OUT

LT3045-1

VIOC

ILIM

10µF

20m

VIN

SET

OUTS

0.47µF

UPSTREAM

DC/DC CONVERTER

Parallel Devices

PART NUMBER DESCRIPTION

COMMENTS

LT1761

100mA, Low Noise LDO

300mV Dropout Voltage, Low Noise: 20µVRMS, VIN = 1.8V to 20V,

TSOT-23 Package

LT1763

500mA, Low Noise LDO

300mV Dropout Voltage, Low Noise: 20μVRMS, VIN = 1.8V to 20V,

4mm × 3mm DFN and SO-8 Packages

LT3042

200mA, Ultralow Noise and Ultrahigh PSRR LDO

0.8μVRMS Noise and 79dB PSRR at 1MHz, VIN = 1.8V to 20V, 350mV

Dropout Voltage, Programmable Current Limit and Power Good,

3mm × 3mm DFN and MSOP Packages

LT3045

500mA, Ultralow Noise and Ultrahigh PSRR LDO

0.8μVRMS Noise and 76dB PSRR at 1MHz, VIN = 1.8V to 20V, 260mV

Dropout Voltage, Programmable Current Limit and Power Good,

3mm × 3mm DFN and MSOP Packages

LT3065

500mA Low Noise LDO with Soft-Start

300mV Dropout Voltage, Low Noise: 25μVRMS, VIN = 1.8V to 45V,

3mm × 3mm DFN and MSOP Packages

LT3080

1.1A, Parallelable, Low Noise, Low Dropout Linear Regulator 300mV Dropout Voltage (2-Supply Operation), Low Noise: 40μVRMS,

VIN: 1.2V to 36V, VOUT: 0V to 35.7V, Current-Based Reference with

1-Resistor VOUT Set; Directly Parallelable (No Op Amp Required),

Stable with Ceramic Capacitors; TO-220, DD-Pak, SOT-223, MSOP

and 3mm × 3mm DFN-8 Packages; LT3080-1 Version Has Integrated

Internal Ballast Resistor

LT3085

500mA, Parallelable, Low Noise, Low Dropout Linear

Regulator

275mV Dropout (2-Supply Operation), Low Noise: 40μVRMS, VIN: 1.2V

to 36V, VOUT: 0V to 35.7V, Current-Based Reference with 1-Resistor

VOUT Set, Directly Parallelable (No Op Amp Required), Stable with

Ceramic Capacitors; MS8E and 2mm × 3mm DFN-6 Packages

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