LDO Linear Regulators

Analog Devices manufactures a broad line of high performance low dropout (LDO) linear regulators. These LDO regulators offer very low dropout, fast transient response, and excellent line and load regulation, and they have a very wide input voltage range (0.9 V to 80 V). Output currents range from 100 mA to 10 A, with positive, negative, and multiple outputs. Our LDO+ devices provide additional functionality and features beyond basic linear regulator performance. These may include voltage, current and temperature monitoring, diagnostic information, and features such as programmable current limit, active output discharge, or the ability to control an upstream supply powering the LDO device.

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LDO Linear Regulators

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SortOrderPart#Number of OutputsVin
(min)
(V)
Vin
(max)
(V)
Output Current
(typ)
(A)
Output Current 2
(typ)
(A)
Output VoltageIsupply
(typ)
(A)
RMS Noise
(typ)
(V)
Dropout Voltage
(typ)
(V)
Price (1000+)
($ US)
1LT3093 1 -20 -1.8 200m- Adj 2.35m 800n 190m $2.25 (LT3093EDD#PBF)
2LT3040 1 1.8 20 200m- Adj 1.9m 1.2µ 350m $2.25 (LT3040EDD#PBF)
3LT3094 1 -20 -1.8 500m- Adj 2.35m 800n 235m $2.80 (LT3094EDD#PBF)
4LT3033 1 950m 10 3- Adj 1.9m 60µ 95m $3.05 (LT3033EUDC#PBF)
5LT3070-1 1 950m 3 5- Adj 1m 25µ 85m $4.20 (LT3070EUFD-1#PBF)
6LT3045-1 1 1.8 20 500m- Adj 2.2m 800n 260m $2.80 (LT3045EDD-1#PBF)
7ADP7185 1 -5.5 -2 500m- -0.5, -1, -1.2, -1.5, -1.8, -2.5, -3, -3.3, Adj 600µ 190m $1.65 (ADP7185ACPZN0.5-R7)
8ADP1765 1 1.1 1.98 5- 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.25, 1.3, 1.5 5m 59m $6.79 (ADP1765ACPZ0.85-R7)
9ADP1764 1 1.1 1.98 4- 0.85, 0.9, 0.95, 1.0, 1.1, 1.2, 1.25, 1.3, 1.6 5m 47m $5.29 (ADP1764ACPZ0.85-R7)
10LT3045 1 1.8 20 500m- Adj 2.4m 800n 260m $2.80 (LT3045EDD#PBF)
11ADP7183 1 -5.5 -2 300m- -0.5, -1, -1.2, -1.5, -1.8, -2.5, -3, -3.3, Adj 600µ 130m $1.45 (ADP7183ACPZN0.5-R7)
12LT3089 1 1.2 36 800m- Adj 1.1m 27µ 1.47 $2.13 (LT3089EDF#PBF)
13ADP7159 1 2.3 5.5 2- Adj 4m 1.6µ 200m $3.05 (ADP7159ACPZ-01-R7)
14ADP7158 1 2.3 5.5 2- 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 4m 1.6µ 200m $3.05 (ADP7158ACPZ-1.2-R7)
15ADP7157 1 2.3 5.5 1.2- Adj 4m 1.6µ 120m $2.69 (ADP7157ACPZ-01-R7)
16ADP7156 1 2.3 5.5 1.2- 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 4m 1.6µ 120m $2.69 (ADP7156ACPZ-1.2-R7)
17ADP1763 1 1.1 1.98 3- 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 4.5m 95m $3.99 (ADP1763ACPZ0.95-R7)
18ADP1762 1 1.1 1.98 2- 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 4.5m 62m $3.49 (ADP1762ACPZ0.95-R7)
19ADP1761 1 1.1 1.98 1- 0.9, 0.95, 1, 1.1, 1.2, 1.25, 1.3, 1.5 4.5m 30m $3.09 (ADP1761ACPZ0.95-R7)
20LT3066 1 1.8 45 500m- Adj 64µ 25µ 300m $2.00 (LT3066EDE#PBF)
21LT3091 1 -36 -1.5 1.5- -Adj 1.2m 18µ 300m $2.87 (LT3091EDE#PBF)
22LT3088 1 1.2 36 800m- Adj 400µ 27µ 1.35 $1.95 (LT3088EST#PBF)
23RH1965 1 1.8 20 900m- Adj 500µ 40µ 310m-
24LT3042 1 1.8 20 200m- Adj 2m 800n 350m $2.25 (LT3042EDD#PBF)
25LT3062 1 1.6 45 200m- Adj 45µ 30µ 300m $1.60 (LT3062EDCB#TRPBF)
26LT3061 1 1.6 45 100m- Adj 45µ 30µ 250m $1.55 (LT3061EDCB#TRPBF)
27ADP7142 1 2.7 40 200m- 1.8, 2.5, 3.3, 5, Adj 50µ 11µ 200m $1.10 (ADP7142ACPZN1.8-R7)
28ADP7118Reference Circuit Available 1 2.7 20 200m- 1.8, 2.5, 3.3, 5 50µ 11µ 200m $0.77 (ADP7118ACPZN1.8-R7)
29ADP7112 1 2.7 20 200m- 1.8, 2.5, 3.3, 5 50µ 11µ 200m $0.53 (ADP7112ACBZ-1.2-R7)
30ADP166 1 2.2 5.5 150m- 1.2, 1.8, 2.2, 2.3, 2.85, 3, 3.3 590n 105µ 120m $0.35 (ADP166ACBZ-1.2-R7)
31ADP165 1 2.2 5.5 150m- 1.2, 1.8, 2.2, 2.3, 2.85, 3, 3.3 590n 105µ 120m $0.35 (ADP165ACBZ-1.2-R7)
32ADM7155 1 2.3 5.5 600m- Adj 6.5m 1.6µ 120m $2.14 (ADM7155ACPZ-01-R7)
33ADM7154 1 2.3 5.5 600m- 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 4m 1.6µ 120m $2.14 (ADM7154ACPZ-1.2-R7)
34RH3083MK 1 1.2 23 2.8- Adj 350µ 40µ 310m-
35LT3063 1 1.6 45 200m- Adj 45µ 30µ 300m $1.67 (LT3063EDCB#TRPBF)
36ADM7172 1 2.3 6.5 2- 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 700µ 172m $1.79 (ADM7172ACPZ-1.3-R7)
37ADM7171 1 2.3 6.5 1- 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 700µ 84m $1.19 (ADM7171ACPZ-1.3-R7)
38ADM7170 1 2.3 6.5 500m- 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 700µ 42m $0.88 (ADM7170ACPZ-1.3-R7)
39LT3065 1 1.8 45 500m- 1.2, 1.5, 1.8, 2.5, 3.3, 5, Adj 55µ 25µ 300m $1.85 (LT3065EDD#PBF)
40LT3090 1 -36 -1.5 600m- -Adj 1m 18µ 300m $2.15 (LT3090EDD#PBF)
41ADM7151 1 4.5 16 800m- Adj 4.3m 1.6µ 600m $3.64 (ADM7151ACPZ-02-R7)
42ADM7150Reference Circuit Available 1 4.5 16 800m- 1.8, 2.8, 3.0, 3.3, 4.5, 4.8, 5.0 4.3m 1.6µ 600m $3.64 (ADM7150ACPZ-1.8-R7)
43LT3081 1 1.2 36 1.5- Adj 1.1m 27µ 1.21 $2.60 (LT3081EDF#PBF)
44LT3055 1 2 45 500m- Adj 65µ 25µ 350m $2.20 (LT3055EDE#PBF)
45ADP7105Reference Circuit Available 1 3.3 20 500m- 1.8, 3.3, 5.0 400µ 15µ 350m $1.43 (ADP7105ACPZ-1.8-R7)
46LT3030 2 1.8 20 750m 250m Adj 120µ 20µ 300m $3.27 (LT3030EFE#PBF)
47LT3007 1 2 45 20m- 1.2, 1.5, 1.8, 2.5, 3.3, 5, Adj 92µ 300m $1.20 (LT3007ETS8#TRPBF)
48ADP7182Reference Circuit Available 1 -28 -2.7 200m- -1.2, -1.5, -1.8, -2.5, -3, 5, -5 33µ 18µ 185m $1.29 (ADP7182ACPZN-1.2R7)
49ADM7160 1 2.2 5.5 200m- 1.8, 2.5, 3.3 10µ 150m $0.44 (ADM7160ACPZN1.8-R7)
50LT3086 1 1.4 40 2.1- Adj 1.2m 40µ 330m $3.00 (LT3086EDHD#PBF)