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 Bicmos Vltg Regulatr Ultra Lo Drop Lo
Datasheet
1.923In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 200mA Low Quiescent Crnt low noise LDO
Datasheet
2.093In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-323-5 1 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V Fixed - 40 C + 125 C 150 mV LDK120 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
16In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 3.3V 0.25A Positive
Datasheet
4.382Expected 8/17/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 5.0V 1.0A Positive
Datasheet
6.835Expected 9/22/2026
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 Bicmos Vltg Regulatr Ultra Lo Drop
Datasheet
19.210On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
STMicroelectronics LDO Voltage Regulators 1 A Very low drop voltage regulator
Datasheet
11.788Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-6 Adjustable 1 A 1 Output Positive 200 uA 2.6 V 16 V 62 dB Adjustable - 40 C + 125 C 200 mV LDF Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 300mA Low Quiescent Crnt low noise LDO
Datasheet
28.985Expected 8/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 Adjustable 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V Adjustable - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
29.435On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-323-5 3.3 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 1.2A Low Drop Linear Regulator IC
Datasheet
13.277On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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 250 mA ultra-low noise LDO
Datasheet
11.286On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 3.3 V 250 mA 1 Output Positive 12 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 High Input Volt 85 mA LDO REG
Datasheet
32.869On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-8 1.2 V to 5 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V 62 dB Adjustable - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.8V 50mA Positive
Datasheet
1.414In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 150mA Low Qui LN Reg 150mA 1.5, 5.5V 80mV
Datasheet
245In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
858In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
: 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 200 mA very low quiescent current Linear regulator IC
Datasheet
61In Stock
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-1x1-4 3.2 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 300 mA very low quiescent current linear regulator IC
Datasheet
3.682In Stock
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-4 2.8 V 300 mA 1 Output Positive 130 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 330 mV LD39030 Reel, Cut Tape
STMicroelectronics LDO Voltage Regulators 300 mA very low quiescent current linear regulator IC
Datasheet
29In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-4 5 V 300 mA 1 Output Positive 20 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 300 mV LD39030 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA very low quiescent current linear regulator IC
Datasheet
4.697In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-4 2.8 V 300 mA 1 Output Positive 130 uA 1.5 V 5.5 V Fixed - 40 C + 125 C 330 mV LD39030 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA very low quiescent current linear regulator IC
Datasheet
4.601In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10.000

SMD/SMT DFN-4 3.3 V 300 mA 1 Output 1.5 V 5.5 V 80 dB Fixed - 40 C + 125 C 330 mV LD39030 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current Linear Reg IC
Datasheet
13In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT FlipChip-4 1 V 300 mA 1 Output Positive 45 uA 1.4 V 5.5 V 70 dB Fixed - 40 C + 125 C 300 mV LD39130S Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current Linear Reg IC
Datasheet
172In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT FlipChip-4 2.9 V 300 mA 1 Output Positive 45 uA 1.4 V 5.5 V 70 dB Fixed - 40 C + 125 C 300 mV LD39130S Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo
Datasheet
2.324In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3.000

SMD/SMT SOT-23-5 2.8 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 500 mA ultra-low dropout linear regulator with bias supply
Datasheet
294In Stock
Min.: 1
Mult.: 1
: 3.000

SMD/SMT DFN-4 1.05 V 500 mA 1 Output Positive 27 uA 800 mV 5.5 V Fixed - 40 C + 85 C 80 mV LD56050 Reel, Cut Tape