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3021

500mA, Low Voltage, Very Low Dropout Linear Regulator

Linear Technology 

LT3021/LT3021-1.2/

LT3021-1.5/LT3021-1.8

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COMMENTS

VIN: 4.2V to 30V/36V, VOUT: 3.75V to 30V, VDO = 0.42V, IQ = 30µA,

ISD = 16µA, Reverse-Battery Protection, SOT-223, S8, Z Packages

VIN: 4.2V to 30V, VOUT: 3.75V to 30V, VDO = 0.4V, IQ = 50µA, ISD = 16µA,

DD, SOT-223, S8, TO220-5, TSSOP20 Packages

VIN: 1.8V to 20V, VOUT: 1.22V to 20V, VDO = 0.3V, IQ = 20µA, ISD < 1µA,

Low Noise: < 20µVRMSP-P, Stable with 1µF Ceramic Capacitor,

ThinSOT Package

VIN: 1.8V to 20V, VOUT: 1.22V to 20V, VDO = 0.3V, IQ = 25µA, ISD < 1µA,

Low Noise: <20µVRMSP-P, MS8 Package

VIN: 1.8V to 20V, VOUT: 1.22V to 20V, VDO = 0.3V, IQ = 30µA, ISD < 1µA,

Low Noise: < 20µVRMSP-P, S8 Package

VIN: 2.7V to 20V, VOUT: 1.21V to 20V, VDO = 0.34V, IQ = 1mA, ISD < 1µA,

Low Noise: <40µVRMSP-P, “A” Version Stable with Ceramic Capacitors,

DD, TO220-5 Packages

VIN: 1.6V to 6.5V, VOUT(MIN) = 1.25V, VDO = 0.09V, IQ = 35µA,

ISD < 1µA, Low Noise: < 30µVRMS, ThinSOT Package

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

Low Noise: < 20µVRMSP-P, MS8 Package

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

Low Noise: < 40µVRMSP-P, “A” Version Stable with Ceramic Capacitors,

DD, TO220-5, SOT223, S8 Packages

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

Low Noise: <100µVRMSP-P, Stable with 1µF Output Capacitor, Exposed

MS8 Package

VIN: 0.9V to 10V, VOUT: 0.2V to 5V (min), VDO = 0.15V, IQ = 120µA,

Noise: <250µVRMSP-P, Stable with 2.2µF Ceramic Capacitors,

DFN-8, MS8 Packages

VIN: 0.9V to 5.5V, VOUT: 0.4V to 3.6V (min), VDO = 0.05V, IQ = 54µA,

Stable with 1µF Ceramic Capacitors, DFN-6 Package

VIN: 1.14V to 3.5V (Boost Enabled), 1.14V to 5.5V (with External 5V),

VDO = 0.1V, IQ = 950µA, Stable with 10µF Ceramic Capacitors, 10-Lead

MSOP and DFN-10 Packages

VIN: 1.1V to 10V, VOUT: 1.21V to 10V, VDO = Set by External MOSFET

RDS(ON), 1.4MHz Boost Converter Generates Gate Drive, SSOP16 Package

16 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

3021fa

LT/TP 0705 500 • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2005

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