LDO Voltage Regulators – Mouser Finland

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Ultralow Dropout LDOs

STMicroelectronics Ultra Low Dropout LDOs are a wide range of low and medium-power LDO regulators with ultralow dropout and fast transient response. These ultralow LDOs simplify the design of high-efficiency, cost-effective linear power management (from 50mA to 3A of continuous load current). This makes them ideal for DSPs, MCUs, and FPGAs.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Current	Number of Outputs	Polarity	Quiescent Current	PSRR / Ripple Rejection - Typ	Output Type	Minimum Operating Temperature	Maximum Operating Temperature	Dropout Voltage	Qualification	Series	Packaging
LDO Voltage Regulators 5.0V 100mA Positive LD2981ABM50TR STMicroelectronics 1: 0,602 € 3 578In Stock 6 000Expected 11/01/2027	Mfr. Part No. LD2981ABM50TR Mouser Part No 511-LD2981ABM50	STMicroelectronics	LDO Voltage Regulators 5.0V 100mA Positive Learn More about STMicroelectronics stm standard products	Datasheet	3 578In Stock 6 000Expected 11/01/2027	Cut Tape 0,602 € 0,431 € 0,378 € 0,335 € Reel 0,268 € View 0,314 € 0,302 € 0,292 € 0,26 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	5 V	100 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	1 mV		LD2981	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 3.0V 100mA Positive LD2981CM30TR STMicroelectronics 1: 0,568 € 3 377In Stock	Mfr. Part No. LD2981CM30TR Mouser Part No 511-LD2981CM30	STMicroelectronics	LDO Voltage Regulators 3.0V 100mA Positive Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	3 377In Stock	Cut Tape 0,568 € 0,402 € 0,361 € 0,316 € Reel 0,261 € View 0,293 € 0,28 € 0,275 € 0,233 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	3 V	100 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	1 mV		LD2981	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 15mA LO QUIESCENT LO NOISE VLTG REG LD39015M125R STMicroelectronics 1: 0,662 € 537In Stock	Mfr. Part No. LD39015M125R Mouser Part No 511-LD39015M125R	STMicroelectronics	LDO Voltage Regulators 15mA LO QUIESCENT LO NOISE VLTG REG Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	537In Stock	Cut Tape 0,662 € 0,474 € 0,427 € 0,373 € Reel 0,294 € View 0,348 € 0,333 € 0,321 € 0,288 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1.25 V	150 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	80 mV		LD39015	Reel, Cut Tape, MouseReel
LDO Voltage Regulators IC Regulator LN 150MA, 1.5V LD39015M15R STMicroelectronics 1: 0,662 € 933In Stock	Mfr. Part No. LD39015M15R Mouser Part No 511-LD39015M15R	STMicroelectronics	LDO Voltage Regulators IC Regulator LN 150MA, 1.5V Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	933In Stock	Cut Tape 0,662 € 0,474 € 0,427 € 0,373 € Reel 0,304 € View 0,348 € 0,333 € 0,321 € 0,297 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	1.5 V	150 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	80 mV		LD39015	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator LD39100PU18RY STMicroelectronics 1: 1,18 € 485In Stock 3 000On Order	Mfr. Part No. LD39100PU18RY Mouser Part No 511-LD39100PU18RY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	485In Stock 3 000On Order	Cut Tape 1,18 € 0,768 € 0,70 € 0,625 € View Reel 0,557 € 0,589 € 0,568 € 0,559 € 0,557 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	DFN-6	1.8 V	1 A	1 Output	Positive	200 uA	62 dB	Fixed	- 40 C	+ 125 C	200 mV	AEC-Q100	LD39100	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator LD39100PU33R STMicroelectronics 1: 0,946 € 194In Stock 9 000Expected 01/01/2027	Mfr. Part No. LD39100PU33R Mouser Part No 511-LD39100PU33R	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	194In Stock 9 000Expected 01/01/2027	Cut Tape 0,946 € 0,68 € 0,615 € 0,543 € 0,507 € Reel 0,507 € MouseReel Available	Min.: 1 Mult.: 1 Max.: 280 : 3 000	SMD/SMT	DFN-6	3.3 V	1 A	1 Output	Positive	200 uA	62 dB	Fixed	- 40 C	+ 125 C	200 mV		LD39100	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300 mA very low quiescent current Linear regulator IC with automatic Green mode LD39130SPUR STMicroelectronics 1: 0,688 € 772In Stock 25 000On Order	Mfr. Part No. LD39130SPUR Mouser Part No 511-LD39130SPUR	STMicroelectronics	LDO Voltage Regulators 300 mA very low quiescent current Linear regulator IC with automatic Green mode Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	772In Stock 25 000On Order On Order Ship Dates Mfr. No: LD39130SPUR Stock: 772 Can Dispatch Immediately On Order: 10 000 Expected 30/08/2027 15 000 Expected 24/09/2027 Factory Lead Time: 30 Weeks	Cut Tape 0,688 € 0,487 € 0,437 € 0,381 € View Reel 0,303 € 0,355 € 0,339 € 0,326 € 0,312 € 0,303 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000	SMD/SMT	DFN-6	Adjustable	300 mA	1 Output	Positive	45 uA	65 dB	Adjustable	- 40 C	+ 125 C	300 mV		LD39130S	Reel, Cut Tape, MouseReel
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop LD39150PT-R STMicroelectronics 1: 1,24 € 77In Stock 5 000Expected 05/11/2026	Mfr. Part No. LD39150PT-R Mouser Part No 511-LD39150PT-R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	77In Stock 5 000Expected 05/11/2026	Cut Tape 1,24 € 0,912 € 0,809 € 0,716 € View Reel 0,577 € 0,678 € 0,651 € 0,63 € 0,577 € MouseReel Available	Min.: 1 Mult.: 1 : 2 500	SMD/SMT	TO-252-5	1.22 V to 5 V	1.5 A	1 Output	Positive	2.5 mA		Adjustable	- 40 C	+ 125 C	40 mV		LD39150	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 2 A high PSRR ultra low drop linear regulator with reverse current protection LD39200DPUR STMicroelectronics 1: 0,972 € 275In Stock 319 500On Order	Mfr. Part No. LD39200DPUR Mouser Part No 511-LD39200DPUR	STMicroelectronics	LDO Voltage Regulators 2 A high PSRR ultra low drop linear regulator with reverse current protection Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	275In Stock 319 500On Order On Order Ship Dates Mfr. No: LD39200DPUR Stock: 275 Can Dispatch Immediately On Order: 157 500 Expected 11/12/2026 162 000 Expected 04/06/2027 Factory Lead Time: 30 Weeks	Cut Tape 0,972 € 0,699 € 0,63 € 0,554 € View Reel 0,447 € 0,517 € 0,495 € 0,48 € 0,447 € 0,447 € MouseReel Available	Min.: 1 Mult.: 1 : 4 500	SMD/SMT	DFN-8	Adjustable	2 A	1 Output	Positive	1 mA	40 dB	Adjustable	- 40 C	+ 125 C	130 mV		LD39200	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 2.5V 0.15A Ultra Low LD3985M25R STMicroelectronics 1: 0,593 € 2 385In Stock	Mfr. Part No. LD3985M25R Mouser Part No 511-LD3985M25R	STMicroelectronics	LDO Voltage Regulators 2.5V 0.15A Ultra Low Learn More about STMicroelectronics stm standard products	Datasheet	2 385In Stock	Cut Tape 0,593 € 0,424 € 0,381 € 0,333 € Reel 0,27 € View 0,31 € 0,297 € 0,285 € 0,263 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	2.5 V	150 mA	1 Output	Positive	150 uA		Fixed	- 40 C	+ 125 C	400 uV		LD3985	Reel, Cut Tape, MouseReel
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo LD3985M30R STMicroelectronics 1: 0,636 € 2 607In Stock	Mfr. Part No. LD3985M30R Mouser Part No 511-LD3985M30R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo Learn More about STMicroelectronics stm standard products	Datasheet	2 607In Stock	Cut Tape 0,636 € 0,464 € 0,421 € 0,376 € View Reel 0,304 € 0,353 € 0,34 € 0,33 € 0,304 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	3 V	150 mA	1 Output	Positive	150 uA		Fixed	- 40 C	+ 125 C	400 uV		LD3985	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 500 mA ultra-low dropout linear regulator with bias supply LD56050DPU110R STMicroelectronics 1: 0,318 € 5 011In Stock	Mfr. Part No. LD56050DPU110R Mouser Part No 511-LD56050DPU110R	STMicroelectronics	LDO Voltage Regulators 500 mA ultra-low dropout linear regulator with bias supply Learn More about STMicroelectronics stm ld56050 regulators	Datasheet	5 011In Stock	Cut Tape 0,318 € 0,222 € 0,197 € 0,17 € Reel 0,135 € View 0,157 € 0,15 € 0,143 € 0,131 €	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	DFN-4	1.1 V	500 mA	1 Output	Positive	27 uA		Fixed	- 40 C	+ 85 C	80 mV		LD56050	Reel, Cut Tape
LDO Voltage Regulators 500 mA ultra-low dropout linear regulator with bias supply LD56050DPU120R STMicroelectronics 1: 0,31 € 2 639In Stock	Mfr. Part No. LD56050DPU120R Mouser Part No 511-LD56050DPU120R	STMicroelectronics	LDO Voltage Regulators 500 mA ultra-low dropout linear regulator with bias supply Learn More about STMicroelectronics stm ld56050 regulators	Datasheet	2 639In Stock	Cut Tape 0,31 € 0,217 € 0,194 € 0,182 € Reel 0,128 € View 0,174 € 0,167 € 0,125 €	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	DFN-4	1.2 V	500 mA	1 Output	Positive	27 uA		Fixed	- 40 C	+ 85 C	80 mV		LD56050	Reel, Cut Tape
LDO Voltage Regulators 300 mA very low dropout linear regulator IC LD59030DTPU33R STMicroelectronics 1: 0,292 € 2 306In Stock	Mfr. Part No. LD59030DTPU33R Mouser Part No 511-LD59030DTPU33R	STMicroelectronics	LDO Voltage Regulators 300 mA very low dropout linear regulator IC Learn More about STMicroelectronics stm ld59030 regulators	Datasheet	2 306In Stock	Cut Tape 0,292 € 0,198 € 0,176 € 0,152 € View Reel 0,12 € 0,142 € 0,136 € 0,131 € 0,126 € 0,12 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000	SMD/SMT	DFN-4	3.3 V	300 mA	1 Output	Positive	28 uA	75 dB	Fixed	- 40 C	+ 125 C	135 mV		LD59030	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 500 mA very low drop voltage regulator LDFM33PUR STMicroelectronics 1: 0,765 € 1 481In Stock 12 000On Order	Mfr. Part No. LDFM33PUR Mouser Part No 511-LDFM33PUR	STMicroelectronics	LDO Voltage Regulators 500 mA very low drop voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	1 481In Stock 12 000On Order On Order Ship Dates Mfr. No: LDFM33PUR Stock: 1 481 Can Dispatch Immediately On Order: 6 000 Expected 02/07/2027 6 000 TBD Factory Lead Time: 30 Weeks	Cut Tape 0,765 € 0,55 € 0,495 € 0,436 € View Reel 0,358 € 0,407 € 0,39 € 0,377 € 0,358 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	DFN-6	3.3 V	500 mA	1 Output	Positive	200 uA		Fixed	- 40 C	+ 125 C	125 mV		LDFM	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120C30R STMicroelectronics 1: 0,275 € 4 287In Stock	Mfr. Part No. LDK120C30R Mouser Part No 511-LDK120C30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120c regulator	Datasheet	4 287In Stock	Cut Tape 0,275 € 0,198 € 0,179 € 0,157 € View Reel 0,123 € 0,147 € 0,146 € 0,123 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-323-5	3 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120C33R STMicroelectronics 1: 0,327 € 6 588In Stock	Mfr. Part No. LDK120C33R Mouser Part No 511-LDK120C33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120c regulator	Datasheet	6 588In Stock	Cut Tape 0,327 € 0,226 € 0,201 € 0,174 € Reel 0,138 € View 0,161 € 0,153 € 0,146 € 0,134 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-323-5	3.3 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200mA Low Quiescent Crnt low noise LDO LDK120C35R STMicroelectronics 1: 0,31 € 801In Stock	Mfr. Part No. LDK120C35R Mouser Part No 511-LDK120C35R	STMicroelectronics	LDO Voltage Regulators 200mA Low Quiescent Crnt low noise LDO Learn More about STMicroelectronics stm ldk120c regulator	Datasheet	801In Stock	Cut Tape 0,31 € 0,216 € 0,194 € 0,169 € Reel 0,132 € View 0,167 € 0,159 € 0,152 € 0,127 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-323-5	3.5 V	200 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	150 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120M-R STMicroelectronics 1: 0,31 € 7 138In Stock	Mfr. Part No. LDK120M-R Mouser Part No 511-LDK120M-R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	7 138In Stock	Cut Tape 0,31 € 0,217 € 0,195 € 0,171 € View Reel 0,138 € 0,159 € 0,153 € 0,147 € 0,138 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	Adjustable	200 mA	1 Output	Positive	100 uA		Adjustable	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120M25R STMicroelectronics 1: 0,335 € 2 475In Stock	Mfr. Part No. LDK120M25R Mouser Part No 511-LDK120M25R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	2 475In Stock	Cut Tape 0,335 € 0,231 € 0,206 € 0,178 € Reel 0,14 € View 0,164 € 0,157 € 0,15 € 0,131 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	2.5 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120M28R STMicroelectronics 1: 0,327 € 1 720In Stock	Mfr. Part No. LDK120M28R Mouser Part No 511-LDK120M28R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	1 720In Stock	Cut Tape 0,327 € 0,227 € 0,202 € 0,175 € Reel 0,138 € View 0,162 € 0,153 € 0,147 € 0,134 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	2.8 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120M30R STMicroelectronics 1: 0,327 € 3 461In Stock	Mfr. Part No. LDK120M30R Mouser Part No 511-LDK120M30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	3 461In Stock	Cut Tape 0,327 € 0,227 € 0,202 € 0,175 € Reel 0,138 € View 0,162 € 0,153 € 0,147 € 0,134 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	3 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current very low noise LDO LDK120M32R STMicroelectronics 1: 0,318 € 2 936In Stock	Mfr. Part No. LDK120M32R Mouser Part No 511-LDK120M32R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	2 936In Stock	Cut Tape 0,318 € 0,224 € 0,201 € 0,174 € Reel 0,138 € View 0,161 € 0,153 € 0,146 € 0,133 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	3.2 V	200 mA	1 Output	Positive	50 uA	55 dB	Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent Very low noise LDO LDK120M33R STMicroelectronics 1: 0,378 € 7 623In Stock	Mfr. Part No. LDK120M33R Mouser Part No 511-LDK120M33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	7 623In Stock	Cut Tape 0,378 € 0,261 € 0,233 € 0,20 € Reel 0,158 € View 0,186 € 0,176 € 0,169 € 0,151 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	SOT-23-5	3.3 V	200 mA	1 Output	Positive	100 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current very low noise LDO LDK120PU18R STMicroelectronics 1: 0,318 € 639In Stock	Mfr. Part No. LDK120PU18R Mouser Part No 511-LDK120PU18R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current very low noise LDO Learn More about STMicroelectronics stm ldk120p regulator	Datasheet	639In Stock	Cut Tape 0,318 € 0,227 € 0,202 € 0,179 € View Reel 0,142 € 0,166 € 0,158 € 0,155 € 0,142 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000	SMD/SMT	DFN-6	1.8 V	200 mA	1 Output	Positive	100 uA	55 dB	Fixed	- 40 C	+ 125 C	100 mV		LDK120	Reel, Cut Tape, MouseReel