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 1.2 A low quiescent current LDO with reverse current protection
Datasheet
606In Stock
141,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT DFN-6 Adjustable 1.2 A 1 Output Positive 240 uA 1.6 V 5.5 V 53 dB Adjustable - 40 C + 125 C 350 mV LDL112 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
113In Stock
12,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT DFN-6 3.3 V 1.2 A 1 Output Positive 35 uA 1.6 V 5.5 V Fixed - 40 C + 125 C 300 mV LDL112 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC
Datasheet
240In Stock
21,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT DFN-6 5 V 1.2 A 1 Output Positive 250 uA 2.5 V 18 V 50 dB Fixed - 40 C + 125 C 350 mV LDL212 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 250 mA ultra-low noise LDO
Datasheet
13,209In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 1.8 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 250 mA ultra-low noise LDO
Datasheet
265In Stock
6,000Expected 19/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 2.8 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 250 mA ultra-low noise LDO
Datasheet
567In Stock
6,000Expected 21/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 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 250 mA ultra-low noise LDO
Datasheet
4,540In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-4 1.8 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
4,868In Stock
5,000Expected 30/4/2027
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-4 2.8 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
3,212In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT DFN-4 3.2 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 250 mA ultra-low noise LDO
Datasheet
9,238In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 Lo Drop Noise BiCMOS 300mA Volt Reg
Datasheet
1,897In Stock
3,000Expected 4/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT TSOT-23-5 3 V 300 mA 1 Output Positive 150 uA 2.5 V 6 V Fixed - 40 C + 125 C 400 uV LDS3985 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 3.3 Volt 300mA
Datasheet
9In Stock
6,000Expected 14/12/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT TSOT-23-5 3.3 V 300 mA 1 Output Positive 150 uA 2.5 V 6 V Fixed - 40 C + 125 C 400 uV LDS3985 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators BiCMOS VOLT REG LOW QUIESCENT
Datasheet
215In Stock
15,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT DFN-6 1.195 V to 1.245 V 1.3 A 1 Output Positive 650 uA 3.3 V 5.5 V 72 dB Adjustable 0 C + 125 C 300 mV ST1L05 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators Low Quiescent BiCMOS Voltage Regulator
Datasheet
231In Stock
9,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
2,180In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT DFN-8 1.2 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 High input voltage, 85 mA LDO linear regulator
Datasheet
2,745In Stock
3,000Expected 24/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-323-5 3.3 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V Fixed - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators HI INPUT VOLTAGE 85mA LDO LINEAR REG
Datasheet
353In Stock
6,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 3.3 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V Fixed - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators HIGH VOLTAGE 85 mA LDO LIN REG
Datasheet
445In Stock
39,000Expected 4/9/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-23-5 1.2 V to 5 V 85 mA 1 Output Positive 3.8 uA 2.5 V 24 V Adjustable - 40 C + 125 C 500 mV ST715 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 150 mA - ultra low quiescent current linear voltage regulator
Datasheet
4,562In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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 200 mA ultra-low quiescent current LDO
Datasheet
552In Stock
9,000Expected 31/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT FlipChip-4 1.8 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V 60 dB Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
5,701In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT FlipChip-4 3 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA ultra-low quiescent current LDO
Datasheet
1,390In Stock
6,000Expected 31/8/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT FlipChip-4 3.3 V 200 mA 1 Output Positive 100 uA 2 V 5.5 V Fixed - 40 C + 125 C 160 mV STLQ020 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators VOLTAGE REGULATOR
Datasheet
4,061In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT SOT-323-5 2.5 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 200mA Low Quiescent Crnt low noise LDO
Datasheet
4,262In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

SMD/SMT DFN-6 3 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop
Datasheet
26,720On 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