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LT3082

200mA Single Resistor Low Dropout Linear Regulator

Linear Technology 

LT3082

TYPICAL APPLICATIONS

Active-Driven Regulator

VIN

IN

LT3082

10μA

+

–

V1 R1, 100k

0V TO 5V

SET

R2

100k

OUT

VOUT

=

⎛ R2 ⎞

⎝⎜ R1+ R2⎠⎟

•

V1

+

10µA

• (R1 || R2)

VOUT

0.5V TO 3V

2.2μF

3082 TA11

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

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500mA, Low Noise LDO

300mA, Low Noise LDO

200mA, Low Noise, Negative LDO

20mA, 45V, 3μA IQ Micropower

LDO

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

300mV Dropout Voltage, Low Noise = 20μVRMS, VIN: 1.8V to 20V, MS-8 Package

300mV Dropout Voltage, Low Noise = 20μVRMS, VIN: 1.8V to 20V, SO-8 Package

270mV Dropout Voltage, Low Noise = 20μVRMS, VIN: 1.8V to 20V, MS-8 Package

340mV Dropout Voltage, Low Noise = 30μVRMS, VIN: –1.8V to –20V, ThinSOT Package

280mV Dropout Voltage, Low IQ = 3μA, VIN: 2V to 45V, VOUT: 0.6V to 39.5V;

ThinSOT and 2mm × 2mm DFN-6 Packages

LT3009

20mA, 3μA IQ Micropower LDO

280mV Dropout Voltage, Low IQ = 3μA, VIN: 1.6V to 20V, VOUT: 0.6V to 19.5V;

ThinSOT and SC-70 Packages

LT3010

LT3011

50mA, High Voltage, Micropower

LDO

50mA, High Voltage, Micropower

LDO with Power Good

VIN: 3V to 80V, VOUT: 1.275V to 60V, VDO = 0.3V, IQ = 30μA, ISD <1μA,

Low Noise <100μVRMS, Stable with 1μF Output Capacitor, Exposed MS8 Package

VIN: 3V to 80V, VOUT: 1.275V to 60V, VDO = 0.3V, IQ = 46μA, ISD <1μA,

Low Noise <100μVRMS, Power Good, Stable with 1μF Output Capacitor,

3mm × 3mm DFN-10 and Exposed MS-12E Packages

LT3012

250mA, 4V to 80V, Low Dropout VIN: 4V to 80V, VOUT: 1.24V to 60V, VDO = 0.4V, IQ = 40μA, ISD <1μA,

Micropower Linear Regulator

TSSOP-16E and 4mm × 3mm DFN-12 Packages

LT3013

250mA, 4V to 80V, Low Dropout

Micro-power Linear Regulator

with PWRGD

VIN: 4V to 80V, VOUT: 1.24V to 60V, VDO = 0.4V, IQ = 65μA, ISD <1μA, Power Good;

TSSOP-16E and 4mm × 3mm DFN-12 Packages

LT3014/LT3014HV

LT3020

20mA, 3V to 80V, Low Dropout

Micropower Linear Regulator

100mA, Low Voltage VLDO Linear

Regulator

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LT3021

500mA, Low Voltage, Very Low

Dropout VLDO Linear Regulator

VIN: 0.9V to 10V, Dropout Voltage = 160mV (Typical), Adjustable Output (VREF = VOUT(MIN)

= 200mV), Fixed Output Voltages: 1.2V, 1.5V, 1.8V, Stable with Low ESR, Ceramic Output

Capacitors 16-Pin 5mm × 5mm DFN and 8-Lead SO Packages

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, SOT-223, MSOP-8 and

3mm × 3mm DFN-8 Packages; LT3080-1 Version Has Integrated Internal Ballast Resistor

LT3085

500mA, Parallelable, Low Noise,

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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; MSOP-8 and 2mm × 3mm DFN-6 Packages

ThinSOT is a trademark of Linear Technology Corporation.

3082f

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0709 • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2009

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