Datasheet
LT3045
32
Rev. B
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www.analog.com
ANALOG DEVICES, INC. 2016–2019
10/19
RELATED PARTS
TYPICAL APPLICATION
+
–
100µA
IN
EN/UV
PGFB
GND
OUT
LT3045
ILIM PG
10µF
20mΩ
V
OUT
3.3V
I
OUT(MAX)
1A
3045 TA13
16.5k
SET
OUTS
+
–
100µA
IN
EN/UV
PGFB
GND
OUT
LT3045
ILIM PG
10µF
20mΩ
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,
TSOT-23 Package
LT1763 500mA, Low Noise LDO 300mV Dropout Voltage, Low Noise: 20μV
RMS
, V
IN
= 1.8V to 20V,
4mm × 3mm DFN and SO-8 Packages
LT3042 200mA
, Ultralow Noise and Ultrahigh PSRR LDO 0.8μV
RMS
Noise and 79dB PSRR at 1MHz, V
IN
= 1.8V to 20V, 350mV
Dropout Voltage, Programmable Current Limit and Power Good,
3mm × 3mm DFN and MSOP Packages
LT3055 500mA
LDO with Diagnostics and Precision Current Limit 340mV Dropout Voltage, Low Noise: 25μV
RMS
, V
IN
= 1.8V to 45V,
4mm × 3mm DFN and MSOP Packages
LT3065 500mA
Low Noise LDO with Soft-Start 300mV Dropout Voltage, Low Noise: 25μV
RMS
, V
IN
= 1.8V to 45V,
3mm × 3mm DFN and MSOP 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
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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