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 (CAD) 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 very low noise LDO
Datasheet
3,000In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 800 mV 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current very low noise LDO
Datasheet
2,850In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.2 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current very low noise LDO
Datasheet
2,961In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 2.9 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current very low noise LDO
Datasheet
2,920In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.2 V 200 mA 1 Output Positive 50 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,928In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 800 mV 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,836In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 1 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,279In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 1.5 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA Low Quiescent Crnt low noise LDO
Datasheet
2,862In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 3.2 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300 mA low quiescent current very low noise LDO (automotive for SOT23-5L package
Datasheet
2,177In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.5 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,988In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 800 mV 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,975In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
3,349In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.8 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,144In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 300mA current very low noise LDO
Datasheet
2,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3.2 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV LDK130 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
2,528In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-323-5 4 V 200 mA 1 Output Positive 60 uA 2.5 V 13.2 V Fixed - 40 C + 125 C 100 mV LDK220 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
677In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.2 V 200 mA 1 Output Positive 60 uA 2.5 V 13.2 V 50 dB Fixed - 40 C + 125 C 200 mV LDK220 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and low noise LDO
Datasheet
2,970In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 4 V 200 mA 1 Output 2.5 V 14 V Adjustable - 40 C + 125 C LDK220 Reel, Cut Tape, MouseReel
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator
Datasheet
1,713In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 1.5 V 200 mA 1 Output Positive 70 uA 2.5 V 18 V 88 dB Fixed - 40 C + 125 C 200 mV LDK320 Reel, Cut Tape

STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
2,390In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 3 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 250 mA ultra-low noise LDO
Datasheet
528In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 1.2 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
4,948In Stock
Min.: 1
Mult.: 1
Reel: 5,000

SMD/SMT DFN-4 2.9 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

STMicroelectronics LDO Voltage Regulators 300mA low Q LDO 1.9 to 5.5V 100mV
Datasheet
562Expected 2026-04-13
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT SOT-23-5 3.3 V 300 mA 1 Output Positive 30 uA 1.9 V 5.5 V 55 dB Fixed - 40 C + 125 C 100 mV AEC-Q100 LDK130 Reel, Cut Tape, MouseReel

STMicroelectronics LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection
Datasheet
6,000Expected 2026-03-05
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN-6 1.8 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 LDK120C29R
STMicroelectronics LDO Voltage Regulators 200 mA low quiescent current very low noise LDO
Datasheet
2,825In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT 2.9 V 200 mA 1 Output Positive 100 uA 1.9 V 5.5 V Fixed - 40 C + 125 C 100 mV LDK120 Reel, Cut Tape

STMicroelectronics LDO Voltage Regulators 200 mA very low quiescent current Linear regulator IC
Datasheet
Non-Stocked Lead-Time 24 Weeks
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD/SMT 2.8 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