Datasheet
LT3042
32
3042fb
For more information www.linear.com/LT3042
ANALOG DEVICES, INC. 2017
LT 1117 REV B • PRINTED IN USA
www.linear.com/LT3042
RELATED PARTS
TYPICAL APPLICATION
+
–
100µA
IN
EN/UV
PGFB
GND
OUT
LT3042
ILIM PG
4.7µF
50mΩ
V
OUT
3.3V
I
OUT(MAX)
400mA
3042 TA14
16.5k
SET
OUTS
+
–
100µA
IN
EN/UV
PGFB
GND
OUT
LT3042
ILIM PG
4.7µF
50mΩ
10µF
V
IN
5V ±5%
SET
OUTS
0.47µF
Parallel Devices
PART NUMBER DESCRIPTION COMMENTS
LT1761 100mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20µV
RMS
, V
IN
= 1.8V to 20V
LT1763 500mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20μV
RMS
, V
IN
= 1.8V to 20V,
SO-8 Package
LT3050 100mA LDO with Diagnostics and Precision Current Limit
340mV Dropout Voltage, Low Noise: 30μV
RMS
, V
IN
= 1.8V to 45V,
3mm × 2mm DFN and MSOP Packages
LT3060 100mA Low Noise LDO with Soft-Start 300mV Dropout V
oltage, Low Noise: 30μV
RMS
, V
IN
= 1.8V to 45V,
2mm × 2mm DFN and ThinSOT Packages
LT3080 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, DD-Pak, SOT-223, MSOP
and 3mm × 3mm DFN-8 Packages; LT3080-1 Version Has Integrated
Internal Ballast Resistor
LT3082 200mA, Parallelable, Low Noise LDO Outputs May Be Paralleled for Higher Output Current or Heat Spreading,
Wide Input V
oltage Range: 1.2V to 40V, Low Value Input/Output
Capacitors Required: 2.2µF, Single Resistor Sets Output Voltage,
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 (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
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