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.

Results: 331
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) 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 7,331In Stock
3,000Expected 5/2/2027
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 200 mA ultra-low quiescent current LDO 18,847In Stock
Min.: 1
Mult.: 1
: 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 Supply current Lo drop linear reg 19,834In Stock
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 1.5A Regulator Lo Drop 999In Stock
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 280In Stock
15,000On Order
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 528In Stock
18,000Expected 31/8/2026
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 2,370In Stock
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 2,717In Stock
3,000Expected 31/8/2026
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 3,745In Stock
6,000Expected 15/3/2027
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 3,880In Stock
5,000Expected 28/12/2026
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 3,377In Stock
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 494In Stock
33,000On Order
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 3,368In Stock
9,000Expected 14/12/2026
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 539In Stock
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 1,033In Stock
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 8,697In Stock
10,000Expected 11/12/2026
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 3.3V 500mA ULTRA LDO 1,231In Stock
66,000On Order
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 2,702In Stock
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 250In Stock
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 811In Stock
9,000Expected 11/12/2026
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 300 mA very low quiescent current Linear regulator IC with automatic Green mode 6,387In Stock
15,000On Order
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-6 Adjustable 300 mA 1 Output Positive 45 uA 1.4 V 5.5 V 65 dB Adjustable - 40 C + 125 C 300 mV LD39130S Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 2 A high PSRR ultra low drop linear regulator with reverse current protection 7In Stock
156,000On Order
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 1,485In Stock
3,000Expected 4/9/2026
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

STMicroelectronics LDO Voltage Regulators 2.5V 0.15A Ultra Low 2,549In Stock
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 2.5 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 Low input voltage 200 mA ultra low dropout linear regulator 6,428In Stock
Min.: 1
Mult.: 1
: 10,000

SMD/SMT Flip-Chip-4 1.8 V 200 mA 1 Output Positive 20 uA 1.1 V 5.5 V 55 dB Fixed - 40 C + 125 C 40 mV LD56020 Reel, Cut Tape, MouseReel