LT1963A Series
Typical applicaTion
Adjustable Current Source
R5
0.01Ω
LT1963A-1.8
LOAD
IN
OUT
R1
1k
+
C1
10µF
SHDN
GND
FB
V
IN
> 2.7V
LT1004-1.2
R4
R6
R8
100k
R2
80.6k
C3
1µF
2.2k 2.2k
R3
2k
R7
2
3
470Ω
8
4
+
–
1
1/2
LT1366
C2
3.3µF
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
1963A TA04
relaTeD parTs
PART NUMBER
DESCRIPTION
COMMENTS
V : –20V to –4.3V, V
LT1175
500mA, Micropower, Negative LDO
= –3.8V, V = 0.50V, I = 45µA, I 10µA,
OUT(MIN) DO Q SD
IN
DD, SOT-223, PDIP8 Packages
LT1185
LT1761
3A, Negative LDO
V : –35V to –4.2V, V
= –2.40V, V = 0.80V, I = 2.5mA, I <1µA,
IN
OUT(MIN) DO Q SD
TO220-5 Package
100mA, Low Noise Micropower, LDO
V : 1.8V to 20V, V
= 1.22V, V = 0.30V, I = 20µA, I <1µA
IN
OUT(MIN) DO Q SD
ThinSOT™ Package
LT1762
LT1763
150mA, Low Noise Micropower, LDO
500mA, Low Noise Micropower, LDO
V : 1.8V to 20V, V
= 1.22V, V = 0.30V, I = 25µA, I <1µA, MS8 Package
DO Q SD
IN
OUT(MIN)
OUT(MIN)
OUT(MIN)
V : 1.8V to 20V, V
IN
= 1.22V, V = 0.30V, I = 30µA, I <1µA, S8 Package
DO Q SD
LT1764/
LT1764A
3A, Low Noise, Fast Transient Response, V : 2.7V to 20V, V
LDO
= 1.21V, V = 0.34V, I = 1mA, I <1µA,
DO Q SD
IN
DD, TO220 Packages
LTC1844
LT1962
LT1964
LT1965
LT3020
LT3023
LT3024
150mA, Very Low Drop-Out LDO
V : 6.5V to 1.6V, V
= 1.25V, V = 0.08V, I = 40µA, I < 1µA,
DO Q SD
IN
OUT(MIN)
OUT(MIN)
ThinSOT Package
300mA, Low Noise Micropower, LDO
V : 1.8V to 20V, V
IN
= 1.22V, V = 0.27V, I = 30µA, I <1µA, MS8 Package
DO Q SD
200mA, Low Noise Micropower,
Negative LDO
V : –0.9V to –20V, V
= –1.21V, V = 0.34V, I = 30µA, I 3µA,
OUT(MIN) DO Q SD
IN
ThinSOT Package
1.1A, Low Noise, Low Dropout Linear
Regulator
290mV Dropout Voltage, Low Noise: 40µV
stable with ceramic caps, TO-220, DD-Pak, MSOP and 3mm × 3mm DFN Packages
, V : 1.8V to 20V, V : 1.2V to 19.5V,
RMS IN OUT
100mA, Low Voltage V
IN(MIN)
V : 0.9V to 10V, V = 0.20, V = 0.15V, I = 120µA, I <3µA,
LDO,
IN
OUT(MIN)
DO
Q
SD
V
= 0.9V
DFN, MS8 Packages
Dual, 2x 100mA, Low Noise
Micropower, LDO
V : 1.8V to 20V, V
= 1.22V, V = 0.30V, I = 40µA, I <1µA,
DO Q SD
IN
OUT(MIN)
DFN, MS10 Packages
Dual, 100mA/500mA, Low Noise
Micropower, LDO
V : 1.8V to 20V, V
= 1.22V, V = 0.30V, I = 60µA, I <1µA,
DO Q SD
IN
OUT(MIN)
DFN, TSSOP Packages
LT3080/
LT3080-1
1.1A, Parallelable, Low Noise, Low
Dropout Linear Regulator
300mV Dropout Voltage (2-Supply Operation), Low Noise: 40µV
, V : 1.2V to 36V,
RMS IN
V
: 0V to 35.7V, current-based reference with 1-resistor V
set; directly parallelable
OUT
OUT
(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
1963aff
LT 0913 REV F • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
28
For more information www.linear.com/LT1963A
(408)432-1900 FAX: (408) 434-0507 www.linear.com/LT1963A
●
●
LINEAR TECHNOLOGY CORPORATION 2005
Linear [ Linear ]
