LT1965 Series
20
1965fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0408 REV A • PRINTED IN USA
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT1129 700mA, Micropower, LDO VIN: 4.2V to 30V, VOUT(MIN) = 3.8V, VDO = 0.40V, IQ = 50μA, ISD = 16μA;
DD, SOT-223, S8, TO220-5 and TSSOP20 Packages
LT1761 100mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 20μA, ISD = < 1μA,
Low Noise < 20μVRMS, Stable with 1μF Ceramic Capacitors, ThinSOT™ Package
LT1762 150mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 25μA, ISD = < 1μA,
Low Noise < 20μVRMS, MS8 Package
LT1763 500mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 30μA, ISD = < 1μA,
Low Noise < 20μVRMS, S8 Package
LT1764/
LT1764A
3A, Low Noise, Fast Transient Response,
LDO
VIN: 2.7V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD = < 1μA, Low Noise
< 40μVRMS, “A” Version Stable with Ceramic Capacitors, DD and TO220-5 Packages
LTC1844 150mA, Very Low Drop-Out LDO VIN: 1.6V to 6.5V, VOUT(MIN) = 1.25V, VDO = 0.08V, IQ = 35μA, ISD = < 1μA,
Low Noise < 60μVRMS, ThinSOT™ Package
LT1962 300mA, Low Noise Micropower, LDO VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.27V, IQ = 30μA, ISD = < 1μA,
Low Noise < 20μVRMS, MS8 Package
LT1963/
LT1963A
1.5A, Low Noise, Fast Transient Response,
LDO
VIN: 2.1V to 20V, VOUT(MIN) = 1.21V, VDO = 0.34V, IQ = 1mA, ISD = < 1μA,
Low Noise < 40μVRMS, “A” Version Stable with Ceramic Capacitors;
DD, TO220-5, SOT-223 and S8 Packages
LT3020 100mA, Low Voltage VDO, VIN(MIN) = 0.9V,
LDO
VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, VDO = 0.15V, IQ = 120μA, ISD = 3μA, DFN and
MS8 Packages
LT3021 500mA, Low Voltage VDO, VIN(MIN) = 0.9V,
LDO
VIN: 0.9V to 10V, VOUT(MIN) = 0.20V, VDO = 0.16V, IQ = 120μA, ISD = 3μA, DFN and
S8 Packages
LT3023 Dual, 2x 100mA, Low Noise Micropower,
LDO
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 40μA, ISD = < 1μA, DFN and
MS10 Packages
LT3024 Dual, 100mA/500mA, Low Noise
Micropower, LDO
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 60μA, ISD = < 1μA, DFN and
TSSOP Packages
LT3027 Dual, 2x 100mA, Low Noise Micropower,
LDO with Independent Inputs
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 25μA, ISD = < 1μA,
Low Noise < 20μVRMS, DFN and MS10 Packages
LT3028 Dual, 100mA/500mA, Low Noise
Micropower, LDO with Independent Inputs
VIN: 1.8V to 20V, VOUT(MIN) = 1.22V, VDO = 0.30V, IQ = 30μA, ISD = < 1μA,
Low Noise < 20μVRMS, DFN and TSSOP 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 Caps, TO-220, SOT-223, MSOP and 3mm × 3mm DFN
Packages; LT3080-1 Version Has Integrated Internal Ballast Resistor
ThinSOT is a trademark of Linear Technology Corporation
Adjustable Current Source
RELATED PARTS
+
LT1004-1.2
VIN > 2.7V C1
10μF
+C4
10μF
R3
2k
R1
1k
R2
80.6k
R4
2.2k
R5, 0.01Ω
R6
2.2k
LT1965
IN
SHDN
OUT
ADJ
GND
–
+
1/2
LT1366
R8
100k
LOAD
R7
470Ω
2
1
8
34
C3
1μF
C2
3.3μF
1965 TA04
NOTE: ADJUST R1 FOR
0A TO 1.1A CONSTANT-CURRENT