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 (USD) 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 HI INPUT VOLTAGE 85mA LDO LINEAR REG
Datasheet
2,931In Stock
3,000Expected 02/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V Fixed - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators High Input Volt 85 mA LDO REG
Datasheet
3,304In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-8 3.3 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V Fixed - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator
Datasheet
98In Stock
12,000Expected 04/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 2.8 V 150 mA 1 Output Positive 1.4 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 112 mV STLQ015 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator
Datasheet
3,983In Stock
6,000Expected 10/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 150 mA 1 Output Positive 1.4 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 112 mV STLQ015 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
2,129In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT FlipChip-4 1.8 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V 60 dB Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
1,020In Stock
6,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT FlipChip-4 3 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
5,873In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT FlipChip-4 3.3 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
2,395In Stock
6,000Expected 24/09/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 Adjustable 200 mA 1 Output Positive 100 uA 2 V 5.5 V 60 dB Adjustable - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 50mA 3A Supply
Datasheet
Product Comments
1,337In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 1.8 V 50 mA 1 Output Positive 3 uA 2.3 V 12 V Fixed - 40 C + 150 C 400 mV STLQ50 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators VOLTAGE REGULATOR
Datasheet
4,611In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 2.5 V 50 mA 1 Output Positive 3 uA 2.3 V 12 V Fixed - 40 C + 150 C 400 mV STLQ50 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
4,255In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 2.75 V 250 mA 1 Output Positive 250 uA 1.5 V 5.5 V 80 dB Fixed - 40 C + 125 C 120 mV LDLN025 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators Ultra Low BiCMOS ESR 2.5V to 6V 150mA
Datasheet
27In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 4.7 V 150 mA 1 Output Positive 150 uA 2.5 V 6 V Fixed - 40 C + 125 C 400 uV LD3985 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200mA Low Quiescent Crnt low noise LDO
Datasheet
4,262In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 300 mA low quiescent current very low noise LDO (automotive for SOT23-5L package
Datasheet
2,515In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 2.9 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 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 high PSRR voltage regulator
Datasheet
2,971In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V Fixed - 40 C + 125 C 100 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
1,389In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 2.7 V 200 mA 1 Output Positive 55 uA 2.5 V 13.2 V Fixed - 40 C + 125 C 100 mV LDK220 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
1,857In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 2.5 V 250 mA 1 Output Positive 250 uA 1.5 V 5.5 V 60 dB Fixed - 40 C + 125 C 120 mV LDLN025 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
14,838On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 200 mA 1 Output Positive 100 uA 1.5 V 5.5 V 55 dB Fixed - 40 C + 125 C 200 mV LD39020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator
Datasheet
6,000Expected 29/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.2 V 1 A 1 Output Positive 200 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV AEC-Q100 LD39100 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.8V 50mA Positive
Datasheet
1,414In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.8 V 50 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 7 mV LD2980 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo
Datasheet
2,431In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.22 V 150 mA 1 Output Positive 150 uA 2.5 V 6 V Fixed - 40 C + 125 C 400 uV LD3985 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 150mA Low Qui LN Reg 150mA 1.5, 5.5V 80mV
Datasheet
265In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT FlipChip-4 1.2 V 150 mA 1 Output Positive 35 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 90 mV LD39015J Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
5,224In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT 2.1 V 200 mA 1 Output Positive 20 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV LD39020 Reel, Cut Tape

STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
1,030In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT 2.5 V 200 mA 1 Output Positive 20 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV LD39020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,897In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 1.85 V 200 mA 1 Output Positive 100 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV LD39020 Reel, Cut Tape