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 (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 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
15,427In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 Adjustable 200 mA 1 Output Positive 70 uA 2.5 V 18 V 58 dB Adjustable - 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
13,759In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 48 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators High input voltage 85 mA LDO linear regulator
Datasheet
9,751In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 85 mA 1 Output Positive 5 uA 4.3 V 24 V 57 dB Fixed - 40 C + 125 C 500 mV LDK715 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators High input voltage 85 mA LDO linear regulator
Datasheet
5,965In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 5 V 85 mA 1 Output Positive 5 uA 4.3 V 24 V Fixed - 40 C + 125 C 500 mV LDK715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator
Datasheet
15,289In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-223-4 1.8 V 1.2 A 1 Output Positive 250 uA 2.5 V 18 V Fixed - 40 C + 125 C 350 mV LDL1117 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator
Datasheet
31,490In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-223-4 5 V 1.2 A 1 Output Positive 250 uA 2.5 V 18 V Fixed - 40 C + 125 C 350 mV LDL1117 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
46,233In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOIC-8 Adjustable 1.2 A 1 Output Positive 250 uA 2.5 V 18 V Adjustable - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
62,666In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 380 uA 2.5 V 18 V 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
11,044In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.3 V 1.2 A 1 Output Positive 250 uA 2.5 V 18 V 87 dB Fixed - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
13,236In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 250 uA 2.5 V 18 V 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
11,868In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 3 V 250 mA 1 Output Positive 250 uA 1.5 V 5.5 V 60 dB Fixed - 40 C + 125 C 250 mV LDLN025 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
24,989In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 3.3 V 250 mA 1 Output Positive 250 uA 1.5 V 5.5 V 60 dB Fixed - 40 C + 125 C 250 mV LDLN025 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 400 mA, 38 V low-dropout regulator, with 45uAA quiescent current
Datasheet
5,995In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.3 V 400 mA 1 Output Positive 45 uA 3.5 V 38 V 77 dB Fixed - 40 C + 125 C 140 mV AEC-Q100 LDO40L Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 400 mA, 38 V low-dropout regulator, with 45uAA quiescent current
Datasheet
9,371In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 Adjustable 400 mA 1 Output Positive 45 uA 3.5 V 38 V 70 dB Adjustable - 40 C + 125 C 140 mV AEC-Q100 LDO40L Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators V LOW QUIESCENT BiCMOS VOLT REG
Datasheet
2,974In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.3 V 1.3 A 1 Output Positive 500 uA 3 V 5.5 V Fixed 0 C + 125 C 200 mV ST1L05 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators Low Quiescent BiCMOS Voltage Regulator
Datasheet
3,185In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.3 V 1.3 A 2 Output Positive 650 uA 3.3 V 5.5 V Fixed 0 C + 125 C 300 mV ST1L05 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator
Datasheet
4,559In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT DFN-8 Adjustable 800 mA 1 Output Positive 150 uA 1 V 5.5 V Adjustable - 40 C + 125 C 70 mV ST1L08 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator
Datasheet
3,750In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT DFN-8 3.3 V 800 mA 1 Output Positive 150 uA 1 V 5.5 V 30 dB Fixed - 40 C + 125 C 100 mV ST1L08 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator
Datasheet
8,182In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT DFN-8 Adjustable 800 mA 1 Output Positive 150 uA 1 V 5.5 V 80 dB Adjustable - 40 C + 125 C 70 mV ST1L08 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator
Datasheet
7,485In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.8 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
9,736In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 2.1 V 150 mA 1 Output Positive 1.4 uA 1.55 V 5.5 V Fixed - 40 C + 125 C 112 mV STLQ015 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 5.0V 0.25A Positive
Datasheet
1,934In Stock
2,500Expected 17/2/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOIC-8 5 V 250 mA 1 Output Positive 1 mA 2.5 V 20 V Fixed - 40 C + 125 C 400 mV L4931 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.5A Regulator Lo Drop
Datasheet
923In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 1.5A Positive
Datasheet
1,085In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT D2PAK-3 (TO-263-3) 5 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 3.3V 50mA Positive
Datasheet
2,513In Stock
6,000Expected 6/4/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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