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
LT1761
LT1762
LT1763
LT1962
LT1963/A
100mA, Low Noise LDO
150mA, Low Noise LDO
500mA, Low Noise LDO
300mA, Low Noise LDO
1.5A Low Noise, Fast Transient
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
2mm × 2mm DFN-6 Packages
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
VIN: 4V to 80V, VOUT: 1.24V to 60V, VDO = 0.4V, IQ = 40μA, ISD < 1μA, TSSOP-16E and
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