Low Dropout (LDO) Regulators

STMicroelectronics Low Dropout (LDO) Linear Regulators deliver a stable and regulated output voltage. The LDOs simplify designs with few external components. Low dropout linear regulators provide the best cost-performance tradeoff.

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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Output Voltage
Output Current
Number of Outputs
Polarity
Quiescent Current
Input Voltage, Min
Input Voltage, Max
PSRR / Ripple Rejection - Typ
Output Type
Minimum Operating Temperature
Maximum Operating Temperature
Dropout Voltage
Qualification
Series
Packaging
STMicroelectronics LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop
Datasheet
2.779In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT TO-252-5 1.22 V to 5 V 1.5 A 1 Output Positive 2.5 mA Adjustable - 40 C + 125 C 40 mV LD39150 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators BICMOS VOLT REG
Datasheet
32.760In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 150 mA 1 Output Positive 150 uA Fixed - 40 C + 125 C 400 uV LD3985 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1A Ultra Low-Dropout regulator with Reverse Current Protection
Datasheet
3.696In Stock
9.000Expected 10/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-8 Adjustable 1 A 1 Output Positive 280 uA 70 dB Adjustable - 40 C + 125 C 200 mV LD59100 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 150mA Capless Ultra Low REG 50mV 100mA
Datasheet
7.897In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 Adjustable 150 mA 1 Output Positive 120 uA Adjustable - 40 C + 125 C 50 mV LDCL015 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 500 mA very low drop voltage regulator
Datasheet
6.549In Stock
6.000Expected 11/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 3.3 V 500 mA 1 Output Positive 200 uA Fixed - 40 C + 125 C 125 mV LDFM Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 500 mA very low drop voltage regulator
Datasheet
24.880In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 500 mA 1 Output Positive 200 uA 55 dB Adjustable - 40 C + 125 C 125 mV LDFM Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A Very low drop voltage regulator
Datasheet
13.745In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1 A 1 Output Positive 200 uA 62 dB Adjustable - 40 C + 125 C 200 mV LDF Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A Very low drop voltage regulator
Datasheet
10.659In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1 A 1 Output Positive 200 uA 62 dB Adjustable - 40 C + 125 C 200 mV LDF Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent Very low noise LDO
Datasheet
10.640In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 200 mA 1 Output Positive 100 uA Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 300mA Low Quiescent Crnt low noise LDO
Datasheet
21.962In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 Adjustable 300 mA 1 Output Positive 30 uA Adjustable - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 300mA Low Quiescent Crnt low noise LDO
Datasheet
8.323In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 1.8 V 300 mA 1 Output Positive 30 uA Fixed - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 300mA low Q LDO 1.9 to 5.5V 100mV
Datasheet
14.314In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 300 mA 1 Output Positive 30 uA 55 dB Fixed - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
27.102In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-323-5 3.3 V 200 mA 1 Output Positive 55 uA Fixed - 40 C + 125 C 100 mV LDK220 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
24.025In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.6 V 200 mA 1 Output Positive 55 uA Fixed - 40 C + 125 C 100 mV LDK220 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
21.890In Stock
15.000Expected 19/03/2027
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOT-89-3 5 V 200 mA 1 Output Positive 60 uA 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
27.314In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOT-89-4 5 V 200 mA 1 Output Positive 200 nA 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator
Datasheet
42.510In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOT-223-4 5 V 1.2 A 1 Output Positive 250 uA Fixed - 40 C + 125 C 350 mV LDL1117 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
7.844In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 240 uA 53 dB Adjustable - 40 C + 125 C 350 mV LDL112 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
37.926In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOIC-8 Adjustable 1.2 A 1 Output Positive 250 uA Adjustable - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
49.704In Stock
45.000Expected 23/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 380 uA 87 dB, 75 dB Adjustable - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
9.592In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 250 uA 50 dB Adjustable - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
13.199In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 1.8 V 250 mA 1 Output Positive 12 uA 80 dB Fixed - 40 C + 125 C 120 mV LDLN025 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 400 mA, 38 V low-dropout regulator, with 45uAA quiescent current
Datasheet
2.225In Stock
6.000Expected 16/07/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 3.3 V 400 mA 1 Output Positive 45 uA 77 dB Fixed - 40 C + 125 C 140 mV AEC-Q100 LDO40L Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.3V 200mA Linear
Datasheet
3.939In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 150 mA 1 Output Positive 250 uA Fixed - 40 C + 125 C 170 mV LK112S Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5V 100mA Linear
Datasheet
6.513In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 5 V 150 mA 1 Output Positive 250 uA Fixed - 40 C + 125 C 170 mV LK112S Reel, Cut Tape, MouseReel