LT3008 Series
20
3008fc
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 0412 REV C • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1761 100mA, Low Noise Micropower LDO V
IN
: 1.8V to 20V, V
OUT
= 1.22V, V
DO
= 0.3V, I
Q
= 20µA, I
SD
< 1µA, Low Noise: < 20µV
RMS
,
Stable with 1µF Ceramic Capacitors, ThinSOT
TM
Package
LT1762 150mA, Low Noise Micropower LDO V
IN
: 1.8V to 20V, V
OUT
= 1.22V, V
DO
= 0.3V, 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
= 1.22V, V
DO
= 0.3V, I
Q
= 30µA, I
SD
< 1µA, Low Noise: < 20µV
RMS
,
S8 Package
LT1764/LT1764A 3A, Low Noise, Fast Transient
Response LDOs
V
IN
: 2.7V to 20V, V
OUT
= 1.21V, V
DO
= 0.34V, I
Q
= 1mA, I
SD
< 1µA, Low Noise: < 40µV
RMS
,
LT1764A Version Stable with Ceramic Capacitors, DD and TO220-5 Packages
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 LDOs
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
, LT1963A Version Stable with Ceramic Capacitors, DD, TO220-5,
SOT223 and S8 Packages
LT3009 20mA, 3µA I
Q
Micropower LDO V
IN
: 1.6V to 20V, Low I
Q
: 3µA, V
DO
= 0.28V, 2mm × 2mm DFN and SC70-8 Packages
LT3020 100mA, Low Voltage VLDO V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20V, V
DO
= 0.15V, I
Q
= 120µA, I
SD
< 1µA, 3mm × 3mm DFN
and MS8 Packages
LT3021 500mA, Low Voltage VLDO V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20V, V
DO
= 0.16V, I
Q
= 120µA, I
SD
< 3µA, 5mm × 5mm DFN
and SO8 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
LT3085 500mA, Parallelable, Low Noise,
Low Dropout Linear Regulator
275mV 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, MSOP-8 and 2mm × 3mm DFN Packages
ThinSOT is a trademark of Linear Technology Corporation.
IN
SHDN
2.2µF
3.3V
3008 TA04a
OUT
1µF
SENSE
GND
L
T3008-3.3
V
IN
12V
LOW DUTY CYCLE
PULSED LOAD
0mA TO 10mA
Low Duty Cycle Applications Average Power Savings for Low Duty Cycle Applications
0mA to 10mA Pulsed Load, IN = 12V
DUTY CYCLE (%)
0.1
70
60
80
90
100
3008 TA04b
40
50
30
110
20
10
0
POWER SAVINGS (%)
10µA I
Q
100µA I
Q
30µA I
Q
TYPICAL APPLICATION
