Datasheet

LT1965 Series
22
1965fb
For more information www.linear.com/LT1965
 LINEAR TECHNOLOGY CORPORATION 2007
LT 0813 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/LT1965
typical application
PART NUMBER DESCRIPTION COMMENTS
LT1129 700mA, Micropower, LDO V
IN
: 4.2V to 30V, V
OUT(MIN)
= 3.8V, V
DO
= 0.40V, I
Q
= 50µA, I
SD
= 16µA;
DD, SOT-223, S8, TO220-5 and TSSOP20 Packages
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,
Low Noise < 20µV
RMS
, Stable with 1µF Ceramic Capacitors, 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,
Low Noise < 20µV
RMS
, 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,
Low Noise < 20µV
RMS
, S8 Package
LT1764/
LT1764A
3A, Low Noise, Fast Transient Response,
LDO
V
IN
: 2.7V to 20V, V
OUT(MIN)
= 1.21V, V
DO
= 0.34V, I
Q
= 1mA, I
SD
= < 1µA, Low Noise
< 40µV
RMS
, “A” Version Stable with Ceramic Capacitors, DD and TO220-5 Packages
LTC1844 150mA, Very Low Drop-Out LDO V
IN
: 1.6V to 6.5V, V
OUT(MIN)
= 1.25V, V
DO
= 0.08V, I
Q
= 35µA, I
SD
= < 1µA,
Low Noise < 60µV
RMS
, 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,
Low Noise < 20µV
RMS
, MS8 Package
LT1963/
LT1963A
1.5A, Low Noise, Fast Transient Response,
LDO
V
IN
: 2.1V to 20V, V
OUT(MIN)
= 1.21V, V
DO
= 0.34V, I
Q
= 1mA, I
SD
= < 1µA,
Low Noise < 40µV
RMS
, “A” Version Stable with Ceramic Capacitors;
DD, TO220-5, SOT-223 and S8 Packages
LT3020 100mA, Low Voltage V
DO
, V
IN(MIN)
= 0.9V,
LDO
V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20V, V
DO
= 0.15V, I
Q
= 120µA, I
SD
= 3µA, DFN and
MS8 Packages
LT3021 500mA, Low Voltage V
DO
, V
IN(MIN)
= 0.9V,
LDO
V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20V, V
DO
= 0.16V, I
Q
= 120µA, I
SD
= 3µA, DFN and
S8 Packages
LT3023 Dual, 2x 100mA, Low Noise Micropower,
LDO
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 40µA, I
SD
= < 1µA, DFN and
MS10 Packages
LT3024 Dual, 100mA/500mA, Low Noise
Micropower, LDO
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 60µA, I
SD
= < 1µA, DFN and
TSSOP Packages
LT3027 Dual, 2x 100mA, Low Noise Micropower,
LDO with Independent Inputs
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 25µA, I
SD
= < 1µA,
Low Noise < 20µV
RMS
, DFN and MS10 Packages
LT3028 Dual, 100mA/500mA, Low Noise
Micropower, LDO with Independent Inputs
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.30V, I
Q
= 30µA, I
SD
= < 1µA,
Low Noise < 20µV
RMS
, DFN and TSSOP Packages
LT3080/
LT3080-1
1.1A Parallelable, Low Noise, Low Dropout
Linear Regulator
300mV Dropout Voltage (2-Supply Operation), Low Noise: 40µV
RMS
, V
IN
: 1.2V to 36V,
V
OUT
: 0V to 35.7V, Current-Based Reference with 1-Resistor V
OUT
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
Adjustable Current Source
relateD parts
+
LT1004-1.2
V
IN
> 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
3
4
C3
1µF
C2
3.3µF
1965 TA04
NOTE: ADJUST R1 FOR
0A TO 1.1A CONSTANT-CURRENT