Datasheet

LT3029
20
3029fb
For more information www.linear.com/LT3029
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
 LINEAR TECHNOLOGY CORPORATION 2010
LT 0414 REV B • PRINTED IN USA
[phone]
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FAX: [phone]
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www.linear.com/LT3029
relaTeD parTs
Typical applicaTion
PART NUMBER DESCRIPTION COMMENTS
LT1761 100mA, Low Noise Micropower LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.3V, I
Q
= 20µA, I
SD
< 1µA,
Low Noise < 20µV
RMS
, Stable with 1µF Ceramic Capacitors, ThinSOT
TM
Package
LT1763 500mA, Low Noise Micropower LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, V
DO
= 0.3V, I
Q
= 30µA, I
SD
< 1µA,
Low Noise < 20µV
RMS
, S8 and DFN Packages
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
, “A” Version Stable with Ceramic Capacitors;
DD, TO220-5, SOT223, S8 and TSSOP Packages
LT1964 200mA, Low Noise Micropower
,
Negative LDO
V
IN
: –1.9V to –20V, V
OUT(MIN)
= –1.22V, V
DO
= 0.34V, I
Q
= 30µA, I
SD
= 3µA,
Low Noise: <30µV
RMS
, Stable with Ceramic Capacitors, ThinSOT Package
LT1965 1.1A, Low Noise LDO V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.20V, V
DO
= 0.31V, I
Q
= 0.5mA, I
SD
< 1µA,
Low Noise: <40µV
RMS
, Stable with Ceramic Capacitors; 3mm × 3mm DFN,
MS8E, DD-Pak and TO-220 Packages
LT3020 100mA, Low V
oltage VLDO V
IN
: 0.9V to 10V, V
OUT(MIN)
= 0.20V, V
DO
= 0.15V, I
Q
= 120µA, I
SD
< 3µA;
3mm × 3mm DFN and MS8 Packages
LT3021 500mA, Low V
oltage 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
LT3023 Dual 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 MS10E 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-16E Packages
LTC3025 300mA, Low V
oltage Micropower VLDO V
IN
: 0.9V to 5.5V, Low I
Q
: 54µA, Low Noise < 80µV
RMS
, 45mV Dropout Voltage;
2mm × 2mm 6-Lead DFN Package
LTC3026 1.5A, Low Input V
oltage VLDO V
IN
: 1.14V to 5.5V, Low I
Q
: 950µA, Low Noise < 110µV
RMS
, 100mV Dropout Voltage;
10-Lead 3mm × 3mm DFN and MS10E Packages
LT3027 Dual 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
= 50µA, I
SD
< 1µA;
DFN and MS10E 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
= 0.32V, I
Q
= 60µA, I
SD
< 1µA;
DFN and TSSOP-16E Packages
LT3080/
L
T3080-1
1.1A, Parallelable, Low Noise LDO V
IN
: 1.2V to 36V, V
OUT
: 0V to 35.7V, Low Noise < 40µV
RMS
, 300mV Dropout Voltage
(2-Supply Operation), Current-Based Reference with 1-Resistor V
OUT
Set, Directly
Parallelable (No Op Amp Required), Stable with Ceramic Capacitors;
TO-220, SOT-223, MS8E and 3mm × 3mm DFN Packages
V
OUT1
1.8V
500mA
V
OUT2
1.5V
500mA
237k
1%
10nF
3.3µF
113k
1%
3029 TA02
OUT2
ADJ2
BYP2
GND
237k
1%
10nF
3.3µF
54.9k
1%
OUT1
ADJ1
BYP1
LT3029
LTC2923
IN1
V
CC
3.3µF
SHDN1
IN2
SHDN2
SDO
FB2
GND
RAMP
GATE
FB1
ON
TRACK1
RAMPBUF
TRACK2
2.5V
3.3V
3.3µF
63.4k
1%
54.9k
1%
90.9k
1%
113k
1%
0.1µF
3.3V
C
GATE
0.1µF
ON
OFF
1M
Coincident Tracking Supply Application
10ms/DIV
V
OUT1
V
OUT2
500mV/DIV
3029 TA02b