20
LT1963 Series
1963fc
LT 1105 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2005
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
TYPICAL APPLICATIO S
U
+
LT1004-1.2
V
IN
> 2.7V
C1
10µF
R3
2k
R1
1k
R2
80.6k
R4
2.2k
R5
0.01Ω
R6
2.2k
LT1963-1.8
IN
SHDN
OUT
FB
GND
–
+
1/2
LT1366
R8
100k
LOAD
R7
470Ω
2
1
8
3
4
C3
1µF
C2
3.3µF
1963 TA04
NOTE: ADJUST R1 FOR
0A TO 1.5A CONSTANT CURRENT
Adjustable Current Source
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1129 700mA, Micropower, LDO V
IN
: 4.2V to 30V, V
OUT(MIN)
= 3.75V, V
DO
= 0.40V, I
Q
= 50µA, I
SD
= 16µA,
DD, SOT-223, S8, TO220, TSSOP20 Packages
LT1175 500mA, Micropower Negative LDO V
IN
: –20V to –4.3V, V
OUT(MIN)
= –3.8V, V
DO
= 0.50V, I
Q
= 45µA, I
SD
= 10µA,
DD, SOT-223, S8 Packages
LT1185 3A, Negative LDO V
IN
: –35V to –4.2V, V
OUT(MIN)
= –2.40V, V
DO
= 0.80V, I
Q
= 2.5mA, I
SD
<1µA,
TO220-5 Package
LT1761 100mA, Low Noise Micropower, LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 20µA, I
SD
<1µA,
ThinSOT Package
LT1762 150mA, Low Noise Micropower, LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 25µA, I
SD
<1µA, MS8 Package
LT1763 500mA, Low Noise Micropower, LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 30µA, I
SD
<1µA, S8 Package
LT1764/ 3A, Low Noise, Fast Transient Response, V
IN
: 2.7V to 20V, V
OUT(MIN)
= 1.21V, V
DO
= 0.34V, I
Q
= 1mA, I
SD
<1µA,
LT1764A LDO DD, TO220 Packages
LTC1844 150mA, Very Low Drop-Out LDO V
IN
: 6.5V to 1.6V, V
OUT(MIN)
= 1.25V, V
DO
= 0.08V, I
Q
= 40µA, I
SD
<1µA,
ThinSOT Package
LT1962 300mA, Low Noise Micropower, LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.27V, I
Q
= 30µA, I
SD
<1µA, MS8 Package
LT1963/ 1.5A, Low Noise, Fast Transient Response, V
IN
: 2.1V to 20V, V
OUT(MIN)
= 1.21V, V
DO
= 0.34V, I
Q
= 1mA, I
SD
<1µA,
LT1963A LDO DD, TO220, SOT Packages
LT1964 200mA, Low Noise Micropower, Negative V
IN
: –0.9V to –20V, V
OUT(MIN)
= –1.21V, V
DO
= 0.34V, I
Q
= 30µA, I
SD
= 3µA,
LDO ThinSOT Package
LT3020 100mA, Low Voltage V
LDO
V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20, V
DO
= 0.15V, I
Q
= 120µA, I
SD
<3µA,
DFN, MS8 Packages
LT3023 Dual, 2x 100mA, Low Noise Micropower, V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 40µA, I
SD
<1µA,
LDO DFN, MS10 Packages
LT3024 Dual, 100mA/500mA, Low Noise Micropower, V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 60µA, I
SD
<1µA,
LDO DFN, TSSOP Package
LT3150 Fast Transient Response, Low Input Voltage V
IN
: –1.4V to 10V, V
OUT(MIN)
= 1.23V, V
DO
= 0.13V, I
Q
= 12mA, I
SD
= 25µA,
GN16 Package
