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LT1963AES8

1.5A, Low Noise, Fast Transient Response LDO Regulators

Linear Dimensions Semiconductor 

LT1963A Series

Typical Application

Adjustable Current Source

VIN > 2.7V

C1 +

10µF

R5

0.01Ω

R1

1k

LT1004-1.2

R2

80.6k

R4 R6

2.2k 2.2k

LT1963A-1.8

IN

OUT

SHDN FB

GND

C3

1µF

LOAD

R8

100k

R3

2k

NOTE: ADJUST R1 FOR

0A TO 1.5A CONSTANT CURRENT

C2

3.3µF

2+

8

1/2

1

3

LT1366

–

4

R7

470Ω

1963A TA04

Related Parts

PART NUMBER

LT1175

LT1185

LT1761

LT1762

LT1763

LT1764/

LT1764A

LTC1844

LT1962

DESCRIPTION

COMMENTS

500mA, Micropower, Negative LDO

VIN: –20V to –4.3V, VOUT(MIN) = –3.8V, VDO = 0.50V, IQ = 45µA, ISD 10µA,

DD, SOT-223, PDIP8 Packages

3A, Negative LDO

VIN: –35V to –4.2V, VOUT(MIN) = –2.40V, VDO = 0.80V, IQ = 2.5mA, ISD <1µA,

TO220-5 Package

100mA, Low Noise Micropower, LDO

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

ThinSOT™ Package

150mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 25µA, ISD <1µA, MS8 Package

500mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 30µA, ISD <1µA, S8 Package

3A, Low Noise, Fast Transient Response, VIN: 2.7V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD <1µA,

LDO

DD, TO220 Packages

150mA, Very Low Drop-Out LDO

VIN: 6.5V to 1.6V, VOUT(MIN) = 1.25V, VDO = 0.08V, IQ = 40µA, ISD < 1µA,

ThinSOT Package

300mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.27V, IQ = 30µA, ISD <1µA, MS8 Package

LT1964

LT1965

LT3020

LT3023

LT3024

LT3080/

LT3080-1

200mA, Low Noise Micropower,

Negative LDO

1.1A, Low Noise, Low Dropout Linear

Regulator

100mA, Low Voltage VLDO,

VIN(MIN) = 0.9V

Dual, 2x 100mA, Low Noise

Micropower, LDO

Dual, 100mA/500mA, Low Noise

Micropower, LDO

1.1A, Parallelable, Low Noise, Low

Dropout Linear Regulator

VIN: –0.9V to –20V, VOUT(MIN) = –1.21V, VDO = 0.34V, IQ = 30µA, ISD 3µA,

ThinSOT Package

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

stable with ceramic caps, TO-220, DD-Pak, MSOP and 3mm × 3mm DFN Packages

VIN: 0.9V to 10V, VOUT(MIN) = 0.20, VDO = 0.15V, IQ = 120µA, ISD <3µA,

DFN, MS8 Packages

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 40µA, ISD <1µA,

DFN, MS10 Packages

VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 60µA, ISD <1µA,

DFN, 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; “–1” version has integrated internal ballast resistor

28 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

1963afe

LT 0211 REV E • PRINTED IN USA

 LINEAR TECHNOLOGY CORPORATION 2005

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