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 (EUR) 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 150 mA - ultra low quiescent current linear voltage regulator
Datasheet
15.434In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 2.5 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
16.280In Stock
3.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
7.306In Stock
3.000Expected 8/31/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 50mA Supply current Lo drop linear reg
Datasheet
19.834In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-323-5 3.3 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 VLDO 0.4V 250mA Low Quiescent SO-8
Datasheet
684In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOIC-8 3.3 V 250 mA 1 Output Positive 600 uA 2 V 20 V Fixed - 40 C + 125 C 400 mV AEC-Q100 L4931 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.5A Regulator Lo Drop
Datasheet
821In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1.000

SMD/SMT D2PAK-3 (TO-263-3) 12 V 1.5 A 1 Output Positive 30 mA 6 V 17 V Fixed - 40 C + 150 C 200 mV L4940 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5.0V 50mA Positive
Datasheet
280In Stock
15.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 5 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 3.3V 50mA Positive
Datasheet
528In Stock
24.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 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 3.0V 100mA Positive
Datasheet
2.370In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.3V 100mA Positive
Datasheet
2.877In Stock
3.000Expected 9/2/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5.0V 100mA Positive
Datasheet
4.170In Stock
6.000Expected 3/15/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 5 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5.0V 100mA Positive
Datasheet
3.910In Stock
5.000Expected 12/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT SOT-89-3 5 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.0V 100mA Positive
Datasheet
3.377In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.3V 100mA Positive
Datasheet
494In Stock
33.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5.0V 100mA Positive
Datasheet
3.368In Stock
9.000Expected 12/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 5 V 100 mA 1 Output Positive 100 uA 2.5 V 16 V Fixed - 40 C + 125 C 1 mV LD2981 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 15mA LO QUIESCENT LO NOISE VLTG REG
Datasheet
539In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 1.25 V 150 mA 1 Output Positive 50 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 80 mV LD39015 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators IC Regulator LN 150MA, 1.5V
Datasheet
1.033In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 1.5 V 150 mA 1 Output Positive 50 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 80 mV LD39015 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
8.740In Stock
10.000Expected 1/18/2027
MouseReel Available
Min.: 1
Mult.: 1
: 10.000

SMD/SMT 1.8 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
5.492In Stock
20.000Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-4 3.3 V 200 mA 1 Output Positive 20 uA 1.5 V 5.5 V 80 dB Fixed - 40 C + 125 C 200 mV LD39020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 3.3V 500mA ULTRA LDO
Datasheet
1.611In Stock
66.000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 3.3 V 500 mA 1 Output Positive 50 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV LD39050 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator
Datasheet
2.702In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT 1.2 V 1 A 1 Output Positive 200 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 200 mV LD39100 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator
Datasheet
250In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 1.8 V 1 A 1 Output Positive 200 uA 1.5 V 5.5 V 62 dB Fixed - 40 C + 125 C 200 mV AEC-Q100 LD39100 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator
Datasheet
891In Stock
9.000Expected 2/26/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 3.3 V 1 A 1 Output Positive 200 uA 1.5 V 5.5 V 62 dB Fixed - 40 C + 125 C 200 mV LD39100 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 2 A high PSRR ultra low drop linear regulator with reverse current protection
Datasheet
13In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 2 A 1 Output Positive 1 mA 1.25 V 6 V 40 dB Adjustable - 40 C + 125 C 130 mV LD39200 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.8V 0.15A Ultra Low
Datasheet
1.497In Stock
3.000Expected 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 1.8 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