Datasheet

LT3060 Series
26
3060fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2010
LT REV B 0511 • PRINTED IN USA
relaTeD parTs
PART
NUMBER
DESCRIPTION COMMENTS
LT1761 100mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20µV
RMS
, V
IN
= 1.8V to 20V, ThinSOT Package
LT1762 150mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20µV
RMS
, V
IN
= 1.8V to 20V, MS8 Package
LT1763 500mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20µV
RMS
, V
IN
= 1.8V to 20V, SO8 Package
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,
LT1764A Version Stable Also with Ceramic Capacitors
LT1962 300mA, Low Noise LDO 270mV Dropout Voltage, Low Noise: 20µV
RMS
, V
IN
= 1.8V to 20V, MS8 Package
LT1963/
LT1963A
1.5A Low Noise, Fast Transient
Response LDO
340mV Dropout Voltage, Low Noise: 40µV
RMS
, V
IN
= 2.5V to 20V, LT1963A Version Stable with
Ceramic Capacitors; TO-220, DD, SOT-223 and SO8 Packages
LT1964 200mA, Low Noise, Negative LDO 340mV Dropout Voltage, Low Noise 30µV
RMS
, V
IN
= –1.8V to –20V, ThinSOT Package
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 Capacitors; TO-220, DD-Pak, MSOP and 3mm × 3mm DFN Packages
LT3008 20mA, 45V, 3µA I
Q
Micropower LDO 300mV Dropout Voltage, Low I
Q
: 3µA, V
IN
= 2V to 45V, V
OUT
= 0.6V to 39.5V; ThinSOT and
2mm × 2mm DFN-6 Packages
LT3009 20mA, 3µA I
Q
Micropower LDO 280mV Dropout Voltage, Low I
Q
: 3µA, V
IN
= 1.6V to 20V, ThinSOT and SC70 Packages
LT3050 100mA, Low Noise Linear Regulator with
Precision Current Limit and Diagnostic
Functions.
340mV Dropout Voltage, Low Noise: 30µV
RMS
, V
IN
: 1.6V to 45V, V
OUT
: 0.6V to 44.5V, Program-
mable Precision Current Limit: ±5%, Programmable Minimum I
OUT
Monitor, Output Current
Monitor, Fault Indicator, Reverse Protection; 12-Lead 2mm × 3mm DFN and MSOP 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 Capacitors; TO-220, SOT-223, MSOP and 3mm × 3mm DFN
Packages; LT3080-1 Version Has Integrated Internal Ballast Resistor
LT3082 200mA, Parallelable, Single Resistor,
Low Dropout Linear Regulator
Outputs May Be Paralleled for Higher Output, Current or Heat Spreading, Wide Input Voltage
Range: 1.2V to 40V Low Value Input/Output Capacitors Required: 0.22μF, Single Resistor Sets
Output Voltage Initial Set Pin Current Accuracy: 1%, Low Output Noise: 40μV
RMS
(10Hz to 100kHz)
Reverse-Battery Protection, Reverse-Current Protection; 8-Lead SOT-23, 3-Lead SOT-223 and
8-Lead 3mm × 3mm DFN Packages
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; MS8E and 2mm × 3mm DFN-6 Packages
LT3092 200mA 2-Terminal Programmable
Current Source
Programmable 2-Terminal Current Source, Maximum Output Current: 200mA Wide Input Voltage
Range: 1.2V to 40V, Resistor Ratio Sets Output Current Initial Set Pin Current Accuracy: 1%,
Current Limit and Thermal Shutdown Protection Reverse-Voltage Protection, Reverse-Current
Protection; 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN Packages
12V Low Noise Regulator
Typical applicaTion
3060 TA04
IN
SHDN
OUT
ADJ
GND REF/BYP
LT3060
V
IN
13V TO
45V
V
OUT
12V AT 100mA
30µV
RMS
NOISE
1µF
10µF
C
FF
10nF
2.37M
1%
10nF
124k
1%
0 0.1 0.2 0.7 0.8 0.9 1.00.3 0.4 0.5 0.6
TIME (ms)
OUTPUT VOLTAGE DEVIATION
50mV/DIV
LOAD
CURRENT
100mA/DIV
3060 TA04b
V
IN
= 13V
C
FF
= 0
C
FF
= 10nF
∆I
L
= 10mA TO 100mA