Datasheet

LT3022/LT3022-1.2
LT3022-1.5/LT3022-1.8
20
3022fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0212 REV B • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT3020 100mA, Low Voltage VLDO Linear Regulator V
IN
: 0.9V to 10V, V
OUT
: 0.2V to 9.5V, V
DO
= 0.15V, I
Q
= 120µA,
Noise: <250µV
RMS
, Stable with 2.2µF Ceramic Capacitors, DFN-8,
MS8 Packages
LT3021 500mA, Low Voltage, VLDO Linear Regulator V
IN
: 0.9V to 10V, Dropout Voltage: 160mV Typical, 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
LTC
®
3025 300mA Micropower VLDO Linear Regulator V
IN
= 0.9V to 5.5V, Dropout Voltage: 45mV, Low Noise 80µV
RMS
,
Low I
Q
: 54µA, 2mm × 2mm 6-Lead DFN Package
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 Linear 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
eMSOP and DFN-10 Packages
LT3029 Dual 500mA/500mA, Low Dropout, Low Noise,
Micropower Linear Regulator
Output Current: 500mA per Channel, Low Dropout Voltage: 300mV Low
Noise: 20µV
RMS
(10Hz to 100kHz), Low Quiescent Current: 55µA per Channel,
Wide Input Voltage Range: 1.8V to 20V (Common or Independent Input
Supply), Adjustable Output: 1.215V Reference, Very Low Quiescent Current
in Shutdown: <1µA per Channel Stable with 3.3µF Minimum Output Capacitor,
Stable with Ceramic, Tantalum or Aluminum Electrolytic Capacitors, Reverse-
Battery, and Reverse Output-to-Input Protection, Thermally Enhanced 16-Lead
eMSOP and 16-Lead (4mm × 3mm) DFN Packages
LTC3035 300mA VLDO Linear Regulator with Charge
Pump Bias Generator
V
IN
= 1.7V to 5.5V, V
OUT
: 0.4V to 3.6V, Dropout Voltage: 45mV, I
Q
: 100µA,
3mm × 2mm DFN-8
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
Capacitors, TO-220, SOT-223, eMSOP-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 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
Capacitors, eMSOP-8 and 2mm × 3mm DFN-6 packages
TYPICAL APPLICATION
1.5V to 1.2V, 1A VLDO Regulator
IN
10µF
V
IN
1.5V
V
OUT
1.2V
1A
LT3022-1.2
SHDN
OUT
SENSE
GND
10µF
R
LD
1.2K*
3022 TA02
*R
LD
: OPTIONAL (TO SATISFY 1mA MINIMUM LOAD CURRENT REQUIREMENT)