LT3085 datasheet(28/28 Pages) LINEAR

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LT3089

3089f

For more information www.linear.com/LT3089

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LINEAR TECHNOLOGY CORPORATION 2016

LT 0116 • PRINTED IN USA

LinearTechnology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT3089

RELATED PARTS

TYPICAL APPLICATION

High Efficiency Adjustable Supply

PART NUMBER DESCRIPTION

COMMENTS

LT1764/

LT1764A

3A, Fast Transient Response,

Low Noise LDO

340mV Dropout Voltage, Low Noise: 40µVRMS, VIN = 2.7V to 20V, TO-220, TSSOP and DD-Pak,

LT1764A Version Stable Also with Ceramic Capacitors

LT1963/

LT1963A

1.5A Low Noise, Fast Transient

Response LDO

340mV Dropout Voltage, Low Noise: 40µVRMS, VIN = 2.5V to 20V, LT1963A Version Stable with

Ceramic Capacitors, TO-220, DD, TSSOP, SOT-223 and SO-8 Packages

LT1965

1.1A, Low Noise, Low Dropout

Linear Regulator

290mV Dropout Voltage, Low Noise: 40µVRMS, VIN: 1.8V to 20V, VOUT: 1.2V to 19.5V, Stable with

Ceramic Capacitors, TO-220, DD-Pak, MSOP and 3mm × 3mm DFN Packages

LT3022

1A, Low Voltage, VLDO Linear

Regulator

VIN: 0.9V to 10V, Dropout Voltage: 145mV Typical, Adjustable Output (VREF = VOUT(MIN) = 200mV),

Stable with Low ESR, Ceramic Output Capacitors, 16-Pin DFN (5mm × 3mm) and 16-Lead

MSOP Packages

LT3070/

LT3071

5A, Low Noise, Programmable

VOUT, 85mV Dropout Linear

Regulator with Digital Margining

Dropout Voltage: 85mV, Digitally Programmable VOUT: 0.8V to 1.8V, Digital Output Margining: ±1%,

±3% or ±5%, Low Output Noise: 25µVRMS (10Hz to 100kHz), Parallelable: Use Two for a 10A Output,

Stable with Low ESR Ceramic Output Capacitors (15µF Minimum), 28-Lead 4mm × 5mm QFN Package.

LT3071Has Analog Margining.

LT3080/

LT3080-1

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, MS8E and 3mm × 3mm DFN-8 Packages;

LT3080-1 Version Has Integrated Internal Ballast Resistor

LT3081

1.5A Single Resistor Rugged

Linear Regulator with Monitors

Extended Safe Operating Area (SOA). Output Current: 1.5A Stable with/without Input/Output

Capacitors. VIN Range: 1.2V to 36V. 50μA Set Pin Current: TSSOP-16, TO-220, DD-Pak, 4mm x 4mm

DFN-12 Packages.

LT3082

200mA, Parallelable, Single

Resistor, Low Dropout Linear

Regulator

Outputs May Be Paralleled for Higher Output, Current or Heat Spreading, Wide Input Voltage

Range: 1.2V to 40V Low Value Input/Output Capacitors Required: 2.2µF, Single Resistor Sets Output

Voltage 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN Packages

LT3085

500mA, Parallelable, Low Noise,

Low Dropout Linear Regulator

275mV 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, MS8E and 2mm × 3mm DFN-6 Packages

LT3092

200mA 2-Terminal Programmable

Current Source

Programmable 2-Terminal Current Source, Maximum Output Current = 200mA, Wide Input Voltage

Range: 1.2V to 40V, Resistor Ratio Sets Output Current, Initial Set Pin Current Accuracy = 1%, Current

Limit and Thermal Shutdown Protection, Reverse-Voltage Protection, Reverse-Current Protection,

8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN Packages.

LT3083

Adjustable 3A Single Resistor

Low Dropout Regulator

Low Noise: 40µVRMS, 50µA Set Pin Current, Output Adjustable to 0V, Wide Input Voltage Range: 1.2V to 23V

(DD-Pak and TO-220), Low Dropout Operation: 310mV (2 Supplies)

RUN/SS

0.47µF

47µF

1µF

1000pF

VIN

6.3V TO

36V

6.8µH

VIN

LT3680

15k

590k

10k

3089 TA11

2N3904

MTD2955

CMDSH-4E

MBRA340T3

GND

BOOST

OUT

IMON

ILIM

63.4k

SYNC

15k

6.04k

LT3089

500k

22µF

VOUT

0V TO 25V,

0.8A

TEMP

SET

0.1µF

LT3085 Datasheet(PDF) 28 Page - Linear Integrated Systems

LT3085 Datasheet(HTML) 28 Page - Linear Integrated Systems

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