Linear Regulators

Linear Regulators from Analog Devices offer customers superior performance in a variety of surface-mount industry-standard packages and include value-add features like thermal overload protection, over-current protection, under-voltage lockout (UVLO), low output noise, quick output discharge (QOD), and shutdown mode that drastically reduces current consumption. Analog Devices Low Drop Out (LDO) linear regulators offer fixed and adjustable output voltage options, up to 2.0 A of output current, and dropout voltages down to 80 mV.

Linear voltage regulators from Analog Devices are backed by online design support, tools and resources to help shorten your design time. Search 18 different parameters to select the best LDO regulator for your design with our handy parametric selection table. Get help and interact with fellow engineers and ADI power experts at the Power Support Community on EngineerZone™. Find a variety of resources for linear regulators including, application notes, technical articles, data sheets, tutorials, a design handbook, webcasts and more. Bookmark this page for your complete linear regulator resource.

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Linear Regulator ICs Search Table

Part#Vin (min)Vin (max)Vout PresetVout Adjustable (min)Vout Adustable (max)Iout (max)VdropOut @ Rated IoutSupply Current @ Min LoadNoise_10kHz-100kHzPSRR@100 kHz (dB)PSRR at 1 MHzUS Price 1000 to 4999
ADP7142 2.7 40 1.8, 2.5, 3.3, 5 1.2 V 39.2 V 200 mA 200 mV 50 µA 11 µV rms 68 50 $1.10
ADP7118 2.7 20 1.8, 2.5, 3.3, 5 1.2 V 19.2 V 200 mA 200 mV 50 µA 11 µV rms 68 50 $0.96
ADP7112 2.7 20 1.8, 2.5, 3.3, 5 1.2 V 19.2 V 200 mA 200 mV 50 µA 11 µV rms 68 50 $0.53
ADP166 2.2 5.5 Not Applicable 1 V 4.2 V 150 mA 120 mV 590 nA 80 µV rms 23 20 $0.35
ADP165 2.2 5.5 1.2, 1.8, 2.2, 2.3, 2.85, 3.0, 3.3 - - 150 mA 120 mV 590 nA 80 µV rms 23 20 $0.35
ADM7155 2.3 5.5 Not Applicable 1.2 V 3.3 V 600 mA 120 mV 4 mA 1.6 µV rms 90 58 $2.14
ADM7154 2.3 5.5 1.2, 1.8, 2.5, 2.8, 3.0, 3.3 - - 600 mA 120 mV 4 mA 1.6 µV rms 90 58 $2.14
ADM7172 2.3 6.5 1.3 1.2 V 6.3 V 2 A 172 mV 700 µA 6 µV rms 53 30 $1.79
ADM7171 2.3 6.5 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 1.2 V 6.4 V 1 A 84 mV 700 µA 6 µV rms 53 30 $1.19
ADM7170 2.3 6.5 1.3, 1.8, 2.5, 3.0, 3.3, 4.2, 5.0 1.2 V 6.4 V 500 mA 42 mV 700 µA 6 µV rms 53 30 $0.88
ADM7151 4.5 16 Not Applicable 1.5 V 5.1 V 800 mA 600 mV 4.3 mA 1.6 µV rms 90 55 $3.64
ADM7150 4.5 16 1.8, 2.8, 3.0, 3.3, 4.5, 4.8, 5.0 - - 800 mA 600 mV 4.3 mA 1.6 µV rms 90 55 $3.64
ADP7105 3.3 20 1.8, 3.3, 5.0 1.22 V 19 V 500 mA 350 mV 400 µA 15 µV rms 60 40 $1.43
ADP7182Reference Circuit Available -2.7 -28 -1.8, -2.5, -3.0 -1.22 V -27 V -200 mA 185 mV -33 µA 18 µV rms 45 32 $1.29
ADM7160 2.2 5.5 1.8, 2.5, 3.3 - - 200 mA 150 mV 10 µA 9 µV rms 45 38 $0.44
ADP7104Reference Circuit Available 3.3 20 1.0, 1.8, 2.5, 3.0, 3.3, 5.0, 9.0 1.22 V 19 V 500 mA 350 mV 400 µA 15 µV rms 60 40 $1.67
ADP7102Reference Circuit Available 3.3 20 1.5, 1.8, 2.5, 3.0, 3.3, 5.0, 9.0 1.22 V 19 V 300 mA 200 mV 400 µA 15 µV rms 60 40 $1.34
ADP225 2.5 5.5 Not Applicable 0.5 V 5 V 300 mA 170 mV 65 µA 27 µV rms 60 40 $0.49
ADP224 2.5 5.5 1.8, 2.8 - - 300 mA 170 mV 65 µA 27 µV rms 60 40 $0.49
ADP222 2.5 5.5 1.2, 1.5, 1.8, 2.5, 2.7, 2.8, 3.0, 3.3 - - 300 mA 170 mV 65 µA 27 µV rms 60 40 $0.49
ADP223 2.5 5.5 Not Applicable 0.5 V 5 V 300 mA 170 mV 65 µA 27 µV rms 60 40 $0.49
ADP323 1.8 5.5 Not Applicable 0.5 V 5 V 200 mA 110 mV 85 µA 24 µV rms 55 45 $0.54
ADP322 1.8 5.5 1.2, 1.8, 2.5, 2.8, 3.3 1.8 V 3.3 V 200 mA 110 mV 85 µA 24 µV rms 55 45 $0.54
ADP163 2.2 5.5 Not Applicable 1 V 4.2 V 150 mA 105 mV 560 nA 80 µV rms 23 20 $0.34
ADP162 2.2 5.5 1.2 - - 150 mA 105 mV 560 nA 80 µV rms 23 20 $0.34
ADP320 1.8 5.5 1.5, 1.8, 3.3 1.8 V 5.5 V 200 mA 110 mV 85 µA 24 µV rms 55 45 $0.54
ADP2140 2.3 5.5 1.2, 1.5, 1.8, 1.875, 2.5, 2.8, 3.3 - - 300 mA 110 mV 65 µA 29 µV rms 60 40 $1.20
ADP161 2.2 5.5 Not Applicable 1 V 4.2 V 150 mA 105 mV 560 nA 80 µV rms 23 20 $0.34
ADP160 2.2 5.5 1.2 1.2 V 4.2 V 150 mA 105 mV 560 nA 80 µV rms 23 20 $0.34
ADP172 1.6 3.6 1.0, 1.2, 1.26, 1.5, 1.8, 2.1, 2.9, 3.0 0.8 V 3 V 300 mA 50 mV 23 µA 30 µV rms 50 32 $0.33
ADP151Reference Circuit Available 2.2 5.5 1.1 - - 200 mA 150 mV 10 µA 9 µV rms 45 25 $0.34
ADP125 2.3 5.5 Not Applicable 0.8 V 5 V 500 mA 130 mV 45 µA 25 µV rms 45 33 $0.42
ADP124 2.3 5.5 1.8, 2.5, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3 - - 500 mA 130 mV 45 µA 25 µV rms 45 33 $0.42
ADP150Reference Circuit Available 2.2 5.5 1.8, 2.5, 2.6, 2.75, 2.8, 2.85, 3.0, 3.3 - - 150 mA 105 mV 10 µA 9 µV rms 50 30 $0.31
ADP123 2.3 5.5 Not Applicable 0.8 V 5 V 300 mA 85 mV 45 µA 25 µV rms 60 38 $0.34
ADP122 2.3 5.5 1.8, 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3 - - 300 mA 85 mV 45 µA 25 µV rms 60 38 $0.34
ADP5030 2.5 5.5 1.2, 2.8 - - 200 mA 175 mV 60 µA 27 µV rms 60 40 $0.85
ADP171 1.6 3.6 Not Applicable 0.8 V 3 V 300 mA 66 mV 23 µA 30 µV rms 50 32 $0.33
ADP170 1.6 3.6 1.2, 1.5, 1.8, 2.5, 2.8 0.8 V 3 V 300 mA 66 mV 23 µA 30 µV rms 50 32 $0.33
ADP221 2.5 5.5 1.1 - - 200 mA 150 mV 60 µA 27 µV rms 60 40 $0.58
ADP220 2.5 5.5 1.1 - - 200 mA 150 mV 60 µA 27 µV rms 60 40 $0.58
ADP1755 1.6 3.6 Not Applicable 0.75 V 3.3 V 1.2 A 105 mV 90 µA 23 µV rms 54 40 $0.95
ADP1754 1.6 3.6 0.75, 1.0, 1.1, 1.2, 1.5, 1.8, 2.5 0.75 V 2.5 V 1.2 A 105 mV 90 µA 23 µV rms 54 40 $0.95
ADP1753 1.6 3.6 Not Applicable 0.75 V 3.3 V 800 mA 70 mV 90 µA 23 µV rms 54 40 $0.90
ADP1752 1.6 3.6 0.75, 1.0, 1.1, 1.2, 1.5, 1.8, 2.5 - - 800 mA 70 mV 90 µA 23 µV rms 54 40 $0.90
ADP1741Reference Circuit Available 1.6 3.6 Not Applicable 0.75 V 3.3 V 2 A 160 mV 90 µA 23 µV rms 54 40 $1.20
ADP1740 1.6 3.6 0.75, 1.0, 1.1, 1.2, 1.5, 1.8, 2.5 - - 2 A 160 mV 90 µA 23 µV rms 54 40 $1.20
ADP130 1.2 3.6 0.8, 1.2, 1.5, 1.8, 2.5 - - 350 mA 70 mV 25 µA 29 µV rms 60 40 $0.33
ADP121Reference Circuit Available 2.3 5.5 1.2 1.2 V 3.3 V 150 mA 90 mV 11 µA 40 µV rms 50 30 $0.27
ADP1708 2.5 5.5 Not Applicable 0.8 V 5 V 1 A 345 mV 50 µA 125 µV rms 50 38 $1.09
ADP1707 2.5 5.5 0.75 0.75 V 3.3 V 1 A 345 mV 50 µA 125 µV rms 50 38 $1.12
ADP1706 2.5 5.5 0.75 - - 1 A 345 mV 50 µA 125 µV rms 50 38 $1.09
ADP1720Reference Circuit Available 4 28 3.3, 5.0 1.225 V 5 V 50 mA 275 mV 28 µA 146 µV rms 45 55 $0.62
ADP1714 2.5 5.5 0.75 0.75 V 3.3 V 300 mA 170 mV 60 µA 40 µV rms 35 35 $0.51
ADP1713 2.5 5.5 0.75 0.75 V 3.3 V 300 mA 170 mV 60 µA 40 µV rms 35 35 $0.49
ADP1712 2.5 5.5 Not Applicable 0.75 V 5 V 300 mA 170 mV 60 µA 40 µV rms 35 35 $0.47
ADP1711 2.5 5.5 0.75 - - 150 mA 150 mV 35 µA 40 µV rms 45 40 $0.45
ADP1710 2.5 5.5 Not Applicable 0.8 V 5 V 150 mA 150 mV 35 µA 40 µV rms 45 40 $0.41
ADP1716 2.5 5.5 0.75 - - 500 mA 250 mV 65 µA 125 µV rms 38 32 $0.97
ADP1715 2.5 5.5 0.75 0.8 V 5 V 500 mA 250 mV 65 µA 125 µV rms 38 32 $0.83
ADP3339Reference Circuit Available 2.8 6 1.5, 1.8, 2.5, 2.85, 3.0, 3.3, 5.0 1.5 V 5 V 1.5 A 230 mV 130 µA 95 µV rms 50 12 $1.53
ADP3338Reference Circuit Available 2.7 8 1.5, 1.8, 2.5, 2.85, 3.0, 3.3, 5.0 1.5 V 5 V 1 A 190 mV 110 µA 95 µV rms 40 38 $1.10
ADP3333Reference Circuit Available 2.6 12 1.5, 1.8, 2.5, 2.77, 3.0, 3.15, 3.3, 5.0 5 V 1.5 V 300 mA 230 mV 70 µA 45 µV rms 40 38 $0.83
ADP3336Reference Circuit Available 2.6 12 Not Applicable 1.5 V 10 V 500 mA 200 mV 80 µA 27 µV rms 40 28 $0.92
ADP3334Reference Circuit Available 2.6 11 Not Applicable 1.5 V 11.75 V 500 mA 200 mV 150 µA 27 µV rms 40 38 $0.87
ADP3335 2.6 12 1.5, 1.8, 2.5, 2.85, 3.0, 3.3 1.8 V 5 V 500 mA 200 mV 80 µA 47 µV rms 40 38 $0.91
ADP3331 2.6 12 Not Applicable 1.5 V 11.75 V 200 mA 140 mV 34 µA 47 µV rms 32 15 $0.82
ADP3330Reference Circuit Available 2.9 12 2.5, 2.75, 2.85, 3.0, 3.3, 3.6, 5.0 2.5 V 5 V 200 mA 140 mV 34 µA 47 µV rms 30 13 $0.82
ADP3309 2.8 12 2.5, 2.7, 2.85, 2.9, 3.0, 3.3, 3.6 2.5 V 3.6 V 100 mA 120 mV 190 µA 100 µV rms 35 32 $0.70
ADP3300 3 12 2.7, 2.85, 3.0, 3.2, 3.3, 5.0 2.7 V 5 V 50 mA 80 mV 55 µA 30 µV rms 35 32 $0.59
ADP3303Reference Circuit Available 3.2 12 2.7, 3.0, 3.2, 3.3, 5.0 2.7 MV 5 V 200 mA 180 mV 250 µA 30 µV rms 35 32 $1.11
ADP3301Reference Circuit Available 3 12 2.7, 3.0, 3.2, 3.3, 5.0 2.7 V 5 V 100 mA 100 mV 180 µA 30 µV rms 35 32 $1.06
ADP3367 2.5 16.5 5.0 1.3 V 16 V 300 mA 300 mV 17 µA 9µV rms - - $1.81
ADP667 3.5 16.5 5.0 1.3 V 16.5 V 250 mA 187 mV 20 µA No Data - - $1.81
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Multi-Output Regulators with Linear Regulators

Part Number Description Number of Outputs Topology Output Current (mA) Vin: (min) (V) Vin: (max) (V) Vout Preset (V) Vout Adj (min) (V) Vout Adj (max) (V) Key Features Package Pricing ($@1k)
ADP2140 600mA Buck + 300mA LDO 2 LDO 300 1.65 5.5 1.2, 1.5, 1.8, 2.5, 2.8, 3.3 - - Auto Sequenicing, Power Good, Power Save Mode 10-LFCSP 1.2
ADP5020 General Purpose PMU 3 LDO 1 150 2.3 5.5 1.8, 2.9, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3.0, 3.1, 3.2, 3.3 - - I2C, Programmable Outputs, Supervisor, Ext. Sync 20-LFCSP 1.5
ADP5022 Dual 3Mhz Buck with 150mA LDO 3 LDO 150 1.7 5.5 1.2, 1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.875, 2.0, 2.5, 2.775, 2.8, 2.9, 3.0, 3.3 - - Mode Pin, Individual Enable Pins 16-WLCSP 1.8
ADP5023 Dual 3 MHz, 800mA Buck with One 300 mA LDO 3 LDO 300 1.7 5.5 1.2 0.8 4.75 - 24-LFCSP 1.59
ADP5024 Dual 1.2A Buck + 300mA LDO 3 LDO 300 1.7 5.5 1.2, 1.8, 3.3 0.8 4.75 Mode pin, Individual Enable Pins 24-LFCSP 1.79
ADP5033 Dual 3Mhz Buck Regulator with Dual LDO 4 LDO x 2 300 1.7 5.5 1.2, 1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.875, 2.0, 2.5, 2.775, 2.8, 2.9, 3.0, 3.3 - - Mode pin, Two Enable Pins 16-LFCSP 1.9
ADP5034 Dual 3Mhz 1.2A Buck Regulator with 300mA Dual LDO 4 LDO x 2 300 1.7 5.5 1.2, 1.8, 2.8, 3.3 0.8 4.75 Mode pin, Individual Enable Pins 24-LFCSP;28-TSSOP 1.99
ADP5037 Dual 3Mhz 800mA Buck Regulator with Dual 300mA LDO 4 LDO x 2 300 1.7 5.5 1.2, 1.8, 2.8, 3.3 0.8 4.75 Mode pin, Individual Enable Pins 24-LFCSP 1.69
ADP5040 3Mhz Buck Regulator with Dual LDO 3 LDO x 2 300 1.7 5.5 - 0.8 4.75 Individual Enable Pins, Mode Pin 20-LFCSP 1.39
ADP5041 3Mhz Buck Regulator with Dual LDO, Supervisor and Watchdog Timer 3 LDO x 2 300 1.7 5.5 - 0.8 4.75 Individual Enable Pins and Supervisor/WDI, Mode Pin and MR pin 20-LFCSP 1.79
ADP5042 3Mhz Buck Regulator with Dual LDO, Supervisor and Dual Watchdog Timers 3 LDO x 2 300 1.7 5.5 0.8, 0.9, 1.0, 1.1, 1.2, 1.5, 1.6, 1.7, 1.8, 2.0, 2.25, 2.5, 2.8, 3.0, 3.3 - - Individual Enable Pins and Supervisorm, WDI WDI2, Mode Pin and MR pin 20-LFCSP 1.99
ADP5043 3Mhz Buck Regulator with LDO, Supervisor and Dual Watchdog Timers 2 LDO 300 1.7 5.5 0.8, 0.9, 1.0, 1.1, 1.2, 1.5, 1.6, 1.7, 1.8, 2.0, 2.25, 2.5, 2.8, 3.0, 3.3 - - Individual Enable Pins and Supervisorm, WDI WDI2, Mode Pin and MR pin 20-LFCSP 1.79
ADP5045 Boost, buck-boost, triple buck, and dual LDO 7 LDO x 2 150, 50 2.8 5.5 - 1.5 3.5 I2C, Programmable Power Seqiencing, Soft Start, Output Voltages and RTC. 25mA LED Driver 64-WLCSP 4.99
ADP5050 5-Channel Integrated Power Solution with Quad Buck Regulators, 200 mA LDO, I2C 5 LDO 200 1.7 5.5 - 0.5 4.75 Individual Precision Enable pins, Power Good pins, LDO, I2C 48-LFCSP 4.39
ADP5052 5-Channel Integrated Power Solution with Quad Buck Regulators and 200 mA LDO 5 LDO 200 1.7 5.5 - 0.5 4.75 Individual Precision Enable pins, Power Good pins, LDO 48-LFCSP 3.59
ADP5134 Dual 3Mhz 1.2A Buck Regulator with 300mA Dual LDO with Pgood 4 LDO x 2 1200
300
2.3 5.5 - 0.8 5.2 Individual Precision Enable pins, Power Good pins 24-LFCSP 2.09

NEW PRODUCTS

  • ADM7155- 600 mA, Ultralow Noise, High PSRR, RF Linear Regulator

    The ADM7155 is a linear regulator that operates from 2.3 V to 5.5 V and provides up to 600 mA of output current. Using an advanced proprietary architecture, it provides high power supply rejection and ultralow noise, achieving excellent line and load transient response with only a 10 µF ceramic output capacitor.

    The ADM7155 is available in four models that optimize power dissipation and MoreRead more

    ADM7155 Diagram
  • ADM7154- 600 mA, Ultralow Noise, High PSRR, RF Linear Regulator

    The ADM7154 is a linear regulator that operates from 2.3 V to 5.5 V and provides up to 600 mA of output current. Using an advanced proprietary architecture, it provides high power supply rejection and ultralow noise, achieving excellent line and load transient response with only a 10 µF ceramic output capacitor.

    There are 16 standard output voltages for the ADM7154. The following voltages MoreRead more

    ADM7154 Diagram
  • ADP7112- 20 V, 200 mA, Low Noise, CMOS LDO Linear Regulator

    The ADP7112 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7 V to 20 V and provides up to 200 mA of output current. This high input voltage LDO is ideal for the regulation of high performance analog and mixed signal circuits operating from 20 V down to 1.2 V rails. Using an advanced proprietary architecture, the device provides high power supply rejection, low noise, and MoreRead more

    ADP7112 Diagram
  • ADP7142- 40 V, 200 mA, Low Noise, CMOS LDO

    The ADP7142 is a CMOS, low dropout (LDO) linear regulator that operates from 2.7 V to 40 V and provides up to 200 mA of output current. This high input voltage LDO is ideal for the regulation of high performance analog and mixed signal circuits operating from 40 V down to 1.2 V rails. Using an advance proprietary architecture, the device provides high power supply rejection, low noise, and MoreRead more

    ADP7142 Diagram
  • More...
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