LT3050MPMSE-3.3 Ver la hoja de datos (PDF) - Linear Technology

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LT3050MPMSE-3.3

100mA, Linear Regulator with Precision Current Limit and Diagnostic Outputs

Linear Technology 

LT3050 Series

TYPICAL APPLICATION

5V Protected Antenna Supply with 100mA Current Limit, 10mA IMIN

IN

OUT

12V

1μF

120k

SHDN

VIN

FAULT

ADJ

LT3050-5

IMAX

10nF

1.15k

(THRESHOLD = 100mA)

IMON

0.1μF

11.3k

(THRESHOLD = 10mA)

IMIN

REF/BYP

GND

3050 TA02

CFF

10nF

10μF

3k

(ADC FULL SCALE = 3V)

10nF

5V

TO μP ADC

0.1μF

RELATED PARTS

PART

NUMBER

DESCRIPTION

COMMENTS

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Response 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, MS8 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, MS8 Package

340mV Dropout Voltage, Low Noise: 40μVRMS, VIN = 2.5V to 20V, “A” Version Stable with

Ceramic Capacitors, TO-220, DD-PAK, SOT-223 and SO-8 Packages

LT1965

1.1A, Low Noise, Low Dropout Linear 290mV Dropout Voltage, Low Noise: 40μVRMS, VIN: 1.8V to 20V, VOUT: 1.2V to 19.5V, Stable

Regulator

with Ceramic Capacitors, TO-220, DD-PAK, MSOP and 3 × 3 DFN Packages

LT3008

20mA, 45V, 3μA IQ Micropower LDO

300mV Dropout Voltage, Low IQ: 3μA, VIN = 2.0V to 45V, VOUT = 0.6V to 39.5V; ThinSOT and

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LT3009

LT3010

20mA, 3μA IQ Micropower LDO

50mA, High Voltage, Micropower LDO

280mV Dropout Voltage, Low IQ: 3μA, VIN = 1.6V to 20V, ThinSOT and SC-70 Packages

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

LT3011

50mA, High Voltage, Micropower LDO VIN: 3V to 80V, VOUT: 1.275V to 60V, VDO = 0.3V, IQ = 46μA, ISD < 1μA, Low Noise: <100μVRMS,

with PWRGD

Power Good, Stable with 1μF Output Capacitor, 3 × 3 DFN-10 and Exposed MS12E Packages

LT3012

250mA, 4V to 80V, Low Dropout

Micropower Linear Regulator

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4mm × 3mm DFN-12 Packages

LT3013

250mA, 4V to 80V, Low Dropout

Micropower Linear Regulator with

PWRGD

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

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

LT3014/HV 20mA, 3V to 80V, Low Dropout

Micropower Linear Regulator

VIN: 3V to 80V (100V for 2ms, “HV” version), VOUT: 1.22V to 60V, VDO = 0.35V, IQ = 7μA, ISD <

1μA, ThinSOT and 3mm × 3mm DFN-8 Packages

LT3060

LT3080/-1

100mA, Low Noise LDO with Soft Start

1.1A, Parallelable, Low Noise, Low

Dropout Linear Regulator

300mV Dropout Voltage, Low Noise: 20μVRMS, VIN = 1.8V to 45V, DFN Package

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

LT3085

500mA, Parallelable. Low Noise, Low

Dropout Linear Regulator

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 Caps, MSOP-8 and 2mm × 3mm DFN Packages

3050fa

26 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0610 REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2009

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