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 very low quiescent current linear regulator IC in (0.47x0.47) mm² ST
Datasheet
9,821In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 15,000

SMD/SMT STSTAMP-4 1.8 V 200 mA 1 Output 100 uA 1.5 V 5.5 V 55 dB Fixed - 40 C + 125 C 200 mV LDBL20 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,533In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 1.1 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
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
8,825In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 4.7 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
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current linear regulator IC in (0.47x0.47) mm² ST
Datasheet
9,617In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 15,000

SMD/SMT STSTAMP-4 2.5 V 200 mA 1 Output Positive 100 uA 1.5 V 5.5 V 55 dB Fixed - 40 C + 125 C 200 mV LDBL20 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
3,902In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.2 V 1.2 A 1 Output Positive 250 uA 1.6 V 5.5 V 57 dB Fixed - 40 C + 125 C 350 mV LDL112 Reel, Cut Tape
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,514In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-1x1-4 1.5 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
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,900In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 3.1 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, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
6,074In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3 V 200 mA 1 Output Positive 60 uA 2.5 V 13.2 V Fixed - 40 C + 125 C 200 mV LDK220 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
7,589In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 1.1 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

STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,999In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT 3.2 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 300 mA very low quiescent current linear regulator IC
Datasheet
6,234In Stock
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT DFN-4 1.8 V 300 mA 1 Output Positive 130 uA 1.5 V 5.5 V 55 dB Fixed - 40 C + 125 C 330 mV LD39030 Reel, Cut Tape
STMicroelectronics LDO Voltage Regulators High input volt 85 mA LDO linear regulator
Datasheet
2,501In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-8 4.2 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
STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
9,980In 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
STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
2,748In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.5 V 1.2 A 1 Output Positive 250 uA 1.6 V 5.5 V 57 dB Fixed - 40 C + 125 C 300 mV LDL112 Reel, Cut Tape

STMicroelectronics LDO Voltage Regulators 3.3V 0.25A Positive
Datasheet
15,252In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOIC-8 3.3 V 250 mA 1 Output Positive 600 uA 4 V 20 V Fixed - 40 C + 125 C 400 mV L4931 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.3V 0.25A Positive
Datasheet
3,574In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOIC-8 3.3 V 250 mA 1 Output Positive 600 uA 4 V 20 V Fixed - 40 C + 125 C 400 mV L4931 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 3.3V 0.25A Positive
Datasheet
4,015In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT TO-252-3 3.3 V 250 mA 1 Output Positive 600 uA 4 V 20 V Fixed - 40 C + 125 C 400 mV L4931 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 5.0V 0.25A Positive
Datasheet
5,492In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Through Hole TO-92-3 5 V 250 mA 1 Output Positive 600 uA 4 V 20 V Fixed - 40 C + 125 C 400 mV L4931 Ammo Pack
STMicroelectronics LDO Voltage Regulators 5.0V 1.5A Positive
Datasheet
1,462In Stock
2,000Expected 16/4/2026
Min.: 1
Mult.: 1

Through Hole TO-220-3 5 V 1.5 A 1 Output Positive 30 mA 6 V 17 V Fixed - 40 C + 150 C 200 mV L4940 Tube
STMicroelectronics LDO Voltage Regulators 5.0V 1.0A Positive
Datasheet
2,259In Stock
Min.: 1
Mult.: 1

Through Hole TO-220-3 5 V 1 A 1 Output Positive 20 mA 6 V 16 V Fixed - 40 C + 150 C 250 mV L4941 Tube

STMicroelectronics LDO Voltage Regulators 3.3V 50mA Positive
Datasheet
6,866In Stock
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

STMicroelectronics LDO Voltage Regulators 5.0V 50mA Positive
Datasheet
7,133In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 5.0V 50mA Positive
Datasheet
25,205In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 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 100mA Positive
Datasheet
7,117In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT SOT-89-3 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 Bicmos Vltg Regulatr Ultra Lo Drop
Datasheet
8,764In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD/SMT TO-252-3 3.3 V 1.5 A 1 Output Positive 2.5 mA 2.5 V 6 V Fixed - 40 C + 125 C 40 mV LD39150 Reel, Cut Tape, MouseReel