Datasheet

LT3071
28
3071fb
For more information www.linear.com/3071
 LINEAR TECHNOLOGY CORPORATION 2012
LT 0413 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/3071
relAteD pArts
PART DESCRIPTION COMMENTS
LT1764/LT1764A 3A, Fast Transient Response, Low Noise LDO 340mV Dropout Voltage, Low Noise: 40µV
RMS
, V
IN
: 2.7V to 20V,
TO-220 and DD Packages “A” Version Stable Also with Ceramic Caps
LT1963/LT1963A 1.5A Low Noise, Fast Transient Response LDO 340mV Dropout Voltage, Low Noise: 40µV
RMS
, V
IN
: 2.5V to 20V,
“A” Version Stable with Ceramic Caps, TO-220, DD, SOT-223 and
SO-8 Packages
LT1965 1.1A, Low Noise, Low Dropout Linear Regulator 290mV Dropout Voltage, Low Noise: 40µV
RMS
, V
IN
: 1.8V to 20V,
V
OUT
: 1.2V to 19.5V, Stable with Ceramic Caps, TO-220, DD-Pak,
MSOP and 3mm × 3mm DFN Packages
LT3021 500mA, Low Voltage, VLDO™ Linear Regulator V
IN
: 0.9V to 10V, Dropout Voltage = 160mV (Typ), Adjustable Output
(V
REF
= V
OUT(MIN)
= 200mV), Fixed Output Voltages: 1.2V, 1.5V, 1.8V,
Stable with Low ESR, Ceramic Output Capacitors 16-Pin DFN
(5mm × 5mm) and 8-Lead SO 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-8 and 3mm × 3mm
DFN-8 Packages; LT3080-1 has Integrated Internal Ballast Resistor
LT3085 500mA, Parallelable, Low Noise, Low Dropout
Linear Regulator
275mV Dropout V
oltage (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-6 Packages
LTC3025-1/LTC3025-2/
LTC3025-3/LTC3025-4
500mA Micropower VLDO Linear Regulator
in 2mm × 2mm DFN
V
IN
= 0.9V to 5.5V, Dropout Voltage: 75mV, Low Noise 80µV
RMS
,
Low I
Q
: 54µA, Fixed Output: 1.2V (LTC3025-2), 1.5V (LTC3025-3),
1.8V (LTC3025-4); Adjustable Output Range: 0.4V to 3.6V (LTC3025-1)
2mm × 2mm 6-Lead DFN Package
LTC3026 1.5A, Low Input Voltage VLDO Regulator V
IN
: 1.14V to 3.5V (Boost Enabled), 1.14V to 5.5V (with External 5V),
V
DO
= 0.1V, I
Q
= 950µA, Stable with 10µF Ceramic Capacitors,
10-Lead MSOP and DFN-10 Packages
LT3070 5A, Low Noise, Programmable Output, 85mV
Dropout Linear Regulator
V
IN
: 0.95V to 3V, V
OUT
: 0.8V to 1.8V in 50mV Increments,
Low Noise: 25µV
RMS
, Stable with Ceramic Capacitors, 4mm × 5mm
28-Lead QFN Package
typicAl ApplicAtion
1.5V to 1.2V Linear Regulator
BIAS
50k
LT3071
IN
EN
V
O0
V
O1
330µF
2.2µF
2.2µF*
0.01µF
1k
V
MON
2V AT 5A
FULL SCALE
1nF
NC
4.7µF*
3071 TA02
10µF*
*X5R OR X7R CAPACITORS
PWRGD
V
OUT
1.2V
5A
V
O2
MARGA
I
MON
VIOC
SENSE
OUT
V
BIAS
2.2V TO 3.6V
V
IN
1.5V
PWRGD
REF/BYP
GND