LT1965T-1.8(RevA) Ver la hoja de datos (PDF) - Linear Technology

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LT1965T-1.8
(Rev.:RevA)

1.1A, Low Noise, Low Dropout Linear Regulator

Linear Technology 

LT1965 Series

TYPICAL APPLICATION

Adjustable Current Source

VIN > 2.7V

+ C1

10μF

R1

1k

LT1004-1.2

R2

80.6k

R5, 0.01Ω

R4 R6

2.2k 2.2k

LT1965

IN

OUT

SHDN ADJ

GND

C3

1μF

+

R8

100k

LOAD

C4

10μF

R3

2k

NOTE: ADJUST R1 FOR

0A TO 1.1A CONSTANT-CURRENT

C2

3.3μF

2–

8

1/2

1

3

LT1366

+

4

R7

470Ω

1965 TA04

RELATED PARTS

PART NUMBER DESCRIPTION

COMMENTS

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700mA, Micropower, LDO

VIN: 4.2V to 30V, VOUT(MIN) = 3.8V, VDO = 0.40V, IQ = 50μA, ISD = 16μA;

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LT1761

LT1762

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LT1764/

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LTC1844

LT1962

LT1963/

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500mA, Low Noise Micropower, LDO

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150mA, Very Low Drop-Out LDO

300mA, Low Noise Micropower, LDO

1.5A, Low Noise, Fast Transient Response,

LDO

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 20μA, ISD = < 1μA,

Low Noise < 20μVRMS, Stable with 1μF Ceramic Capacitors, ThinSOT™ Package

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 25μA, ISD = < 1μA,

Low Noise < 20μVRMS, MS8 Package

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 30μA, ISD = < 1μA,

Low Noise < 20μVRMS, S8 Package

VIN: 2.7V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD = < 1μA, Low Noise

< 40μVRMS, “A” Version Stable with Ceramic Capacitors, DD and TO220-5 Packages

VIN: 1.6V to 6.5V, VOUT(MIN) = 1.25V, VDO = 0.08V, IQ = 35μA, ISD = < 1μA,

Low Noise < 60μVRMS, ThinSOT™ Package

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.27V, IQ = 30μA, ISD = < 1μA,

Low Noise < 20μVRMS, MS8 Package

VIN: 2.1V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD = < 1μA,

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LT3020

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LDO

MS8 Packages

LT3021

500mA, Low Voltage VDO, VIN(MIN) = 0.9V, VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, VDO = 0.16V, IQ = 120μA, ISD = 3μA, DFN and

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S8 Packages

LT3023

Dual, 2x 100mA, Low Noise Micropower, VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 40μA, ISD = < 1μA, DFN and

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MS10 Packages

LT3024

Dual, 100mA/500mA, Low Noise

Micropower, LDO

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TSSOP Packages

LT3027

LT3028

LT3080/

LT3080-1

Dual, 2x 100mA, Low Noise Micropower,

LDO with Independent Inputs

Dual, 100mA/500mA, Low Noise

Micropower, LDO with Independent Inputs

1.1A Parallelable, Low Noise, Low Dropout

Linear Regulator

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 25μA, ISD = < 1μA,

Low Noise < 20μVRMS, DFN and MS10 Packages

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 30μA, ISD = < 1μA,

Low Noise < 20μVRMS, DFN and TSSOP Packages

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 Caps, TO-220, SOT-223, MSOP and 3mm × 3mm DFN

Packages; LT3080-1 Version Has Integrated Internal Ballast Resistor

ThinSOT is a trademark of Linear Technology Corporation

1965fa

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0408 REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2007

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