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LT3085

3085fb

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0610 REV B • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LDOs

LT1086

1.5A Low Dropout Regulator

Fixed 2.85V, 3.3V, 3.6V, 5V and 12V Output

LT1763

500mA, Low Noise LDO

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

LT3021

500mA VLDO Regulator

VIN: 0.9V to 10V, Dropout Voltage = 190mV, VADJ = 200mV, 5mm × 5mm DFN-16,

SO-8 Packages

LT3080

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 and

3mm × 3mm DFN Packages

LT3080-1

Parallelable 1.1A Adjustable Single

Resistor Low Dropout Regulator

(with Internal Ballast R)

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 and

3mm × 3mm DFN Packages. LT3080-1 Version Has Integrated Ballast Resistor

LT1963A

1.5A Low Noise, Fast Transient

Response LDO

340mV Dropout Voltage, Low Noise = 40μVRMS, VIN: 2.5V to 20V, TO-220, DD, SOT-223

and SO-8 Packages

LT1965

1.1A Low Noise LDO

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

Stable with Ceramic Caps TO-220, DDPak, MSOP and 3mm × 3mm DFN Packages

LTC®3026

1.5A Low Input Voltage VLDOTM

Regulator

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 Packages

Switching Regulators

LT1976

High Voltage, 1.5A Step-Down

Switching Regulator

f = 200kHz, IQ = 100μA, TSSOP-16E Package

LTC3414

4A (IOUT), 4MHz Synchronous

Step-Down DC/DC Converter

95% Efﬁciency, VIN: 2.25V to 5.5V, VOUT(MIN) = 0.8V, TSSOP Package

LTC3406/LTC3406B

600mA (IOUT), 1.5MHz Synchronous

Step-Down DC/DC Converter

95% Efﬁciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 20μA, ISD < 1μA,

ThinSOT TM Package

LTC3411

1.25A (IOUT), 4MHz Synchronous

Step-Down DC/DC Converter

95% Efﬁciency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.8V, IQ = 60μA, ISD < 1μA, 10-Lead MS or

DFN Packages

Paralleling Regulators

–

LT3085

VIN

4.8V TO 36V

VCONTROL

OUT 20mΩ

10μF

VOUT

3.3V

1.5A

3085 TA14

165k

SET

1μF

–

LT3080

VCONTROL

OUT 10mΩ

SET

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