LDO Voltage Regulators – Mouser South Africa

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 1A Low Quiescent Reg 1.5 to 5.5 V 200mV LD39100PUR STMicroelectronics 1: $1.01 76,642In Stock	Mfr. Part No. LD39100PUR Mouser Part No 511-LD39100PUR	STMicroelectronics	LDO Voltage Regulators 1A Low Quiescent Reg 1.5 to 5.5 V 200mV Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	76,642In Stock	Cut Tape $1.01 $0.789 $0.671 $0.605 Reel $0.484 View $0.57 $0.548 $0.529 $0.477 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	800 mV to 4.5 V	1 A	1 Output	Positive	200 uA		Adjustable	- 40 C	+ 125 C	200 mV		LD39100	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator LDL1117S33R STMicroelectronics 1: $0.74 796,783In Stock	Mfr. Part No. LDL1117S33R Mouser Part No 511-LDL1117S33R	STMicroelectronics	LDO Voltage Regulators 1.2 A High PSRR low dropout linear voltage regulator Learn More about STMicroelectronics stm ldl1117 regulators	Datasheet	796,783In Stock	Cut Tape $0.74 $0.529 $0.476 $0.418 View Reel $0.30 $0.372 $0.358 $0.30 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-223-4	3.3 V	1.2 A	1 Output	Positive	250 uA		Fixed	- 40 C	+ 125 C	350 mV		LDL1117	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM50R STMicroelectronics 1: $0.48 181,216In Stock	Mfr. Part No. LDK320AM50R Mouser Part No 511-LDK320AM50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	181,216In Stock	Cut Tape $0.48 $0.317 $0.283 $0.244 View Reel $0.211 $0.228 $0.217 $0.212 $0.211 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	5 V	200 mA	1 Output	Positive	70 uA	48 dB	Fixed	- 40 C	+ 125 C	200 mV		LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators High Input Volt 85 mA LDO REG ST715PUR STMicroelectronics 1: $0.77 26,350In Stock 3,000Expected 2026/10/12	Mfr. Part No. ST715PUR Mouser Part No 511-ST715PUR	STMicroelectronics	LDO Voltage Regulators High Input Volt 85 mA LDO REG Learn More about STMicroelectronics stm low quiescent current ldo	Datasheet	26,350In Stock 3,000Expected 2026/10/12	Cut Tape $0.77 $0.543 $0.488 $0.427 Reel $0.349 View $0.398 $0.381 $0.366 $0.34 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	62 dB	Adjustable	- 40 C	+ 125 C	500 mV		ST715	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 5.0V 0.25A Positive L4931ABD50-TR STMicroelectronics 1: $1.35 3,908In Stock	Mfr. Part No. L4931ABD50-TR Mouser Part No 511-L4931ABD50-TR	STMicroelectronics	LDO Voltage Regulators 5.0V 0.25A Positive Learn More about STMicroelectronics stm standard products	Datasheet	3,908In Stock	Cut Tape $1.35 $0.982 $0.89 $0.787 View Reel $0.594 $0.74 $0.711 $0.683 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOIC-8	5 V	250 mA	1 Output	Positive	1 mA		Fixed	- 40 C	+ 125 C	400 mV		L4931	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 5.0V 0.25A Positive L4931CZ50-AP STMicroelectronics 1: $0.961 4,950In Stock	Mfr. Part No. L4931CZ50-AP Mouser Part No 511-L4931CZ50-AP	STMicroelectronics	LDO Voltage Regulators 5.0V 0.25A Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,950In Stock	$0.961 $0.676 $0.606 $0.529 View Reel $0.39 $0.492 $0.47 $0.452 $0.39	Min.: 1 Mult.: 1 : 2,000	Through Hole	TO-92-3	5 V	250 mA	1 Output	Positive	600 uA		Fixed	- 40 C	+ 125 C	400 mV		L4931	Ammo Pack
LDO Voltage Regulators Ultralow drop BICMOS Volt REG 2.5V to 6V LD39150PU-R STMicroelectronics 1: $1.00 3,490In Stock	Mfr. Part No. LD39150PU-R Mouser Part No 511-LD39150PU-R	STMicroelectronics	LDO Voltage Regulators Ultralow drop BICMOS Volt REG 2.5V to 6V Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	3,490In Stock	Cut Tape $1.00 $0.813 $0.768 $0.716 Reel $0.641 View $0.692 $0.683 $0.676 $0.636 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	1.22 V to 5 V	1.5 A	1 Output	Positive	1 mA		Adjustable	- 40 C	+ 125 C	200 mV		LD39150	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM-R STMicroelectronics 1: $0.44 46,980In Stock	Mfr. Part No. LDK320AM-R Mouser Part No 511-LDK320AM-R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	46,980In Stock	Cut Tape $0.44 $0.311 $0.277 $0.24 Reel $0.191 View $0.222 $0.212 $0.204 $0.186 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Adjustable	200 mA	1 Output	Positive	70 uA	58 dB	Adjustable	- 40 C	+ 125 C	100 mV		LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators BICMOS 300mA V Reg Ultra Lo Drop Lo LDS3985M18R STMicroelectronics 1: $0.67 4,590In Stock	Mfr. Part No. LDS3985M18R Mouser Part No 511-LDS3985M18R	STMicroelectronics	LDO Voltage Regulators BICMOS 300mA V Reg Ultra Lo Drop Lo Learn More about STMicroelectronics stm standard products	Datasheet	4,590In Stock	Cut Tape $0.67 $0.504 $0.462 $0.418 Reel $0.381 View $0.397 $0.385 $0.383 $0.362 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	TSOT-23-5	1.8 V	300 mA	1 Output	Positive	150 uA		Fixed	- 40 C	+ 125 C	400 uV		LDS3985	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 3.3V 0.25A Positive L4931ABDT33-TR STMicroelectronics 1: $1.09 3,650In Stock	Mfr. Part No. L4931ABDT33-TR Mouser Part No 511-L4931ABDT33-TR	STMicroelectronics	LDO Voltage Regulators 3.3V 0.25A Positive Learn More about STMicroelectronics stm standard products	Datasheet	3,650In Stock	Cut Tape $1.09 $0.837 $0.773 $0.702 View Reel $0.608 $0.67 $0.651 $0.636 $0.608 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	3.3 V	250 mA	1 Output	Positive	600 uA		Fixed	- 40 C	+ 125 C	400 mV		L4931	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise LD39015M33R STMicroelectronics 1: $0.83 13,516In Stock	Mfr. Part No. LD39015M33R Mouser Part No 511-LD39015M33R	STMicroelectronics	LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	13,516In Stock	Cut Tape $0.83 $0.561 $0.504 $0.44 View Reel $0.374 $0.409 $0.391 $0.376 $0.374 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 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 LD39100PURY STMicroelectronics 1: $1.26 21,492In Stock	Mfr. Part No. LD39100PURY Mouser Part No 511-LD39100PURY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	21,492In Stock	Cut Tape $1.26 $0.912 $0.826 $0.734 View Reel $0.614 $0.675 $0.656 $0.641 $0.614 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	Adjustable	1 A	1 Output	Positive	200 uA		Adjustable	- 40 C	+ 125 C	200 mV	AEC-Q100	LD39100	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current very low noise LDO LDK120DM33R STMicroelectronics 1: $0.38 10,211In Stock	Mfr. Part No. LDK120DM33R Mouser Part No 511-LDK120DM33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current very low noise LDO Learn More about STMicroelectronics stm standard products	Datasheet	10,211In Stock	Cut Tape $0.38 $0.264 $0.235 $0.204 View Reel $0.158 $0.188 $0.178 $0.171 $0.158 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V	200 mA	1 Output	Positive	50 uA	55 dB	Fixed	- 40 C	+ 125 C	150 mV		LDK120	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current Linear Reg IC LD39130SJ18R STMicroelectronics 1: $0.70 17,272In Stock	Mfr. Part No. LD39130SJ18R Mouser Part No 511-LD39130SJ18R	STMicroelectronics	LDO Voltage Regulators 300mA current Linear Reg IC Learn More about STMicroelectronics stm ld39130s voltage regulator	Datasheet	17,272In Stock	Cut Tape $0.70 $0.533 $0.493 $0.447 View Reel $0.328 $0.423 $0.409 $0.368 $0.352 $0.328 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	FlipChip-4	1.8 V	300 mA	1 Output	Positive	45 uA	70 dB	Fixed	- 40 C	+ 125 C	300 mV		LD39130S	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current very low noise LDO LDK130M08R STMicroelectronics 1: $0.30 14,748In Stock	Mfr. Part No. LDK130M08R Mouser Part No 511-LDK130M08R	STMicroelectronics	LDO Voltage Regulators 300mA current very low noise LDO Learn More about STMicroelectronics stm ldk130m regulator	Datasheet	14,748In Stock	Cut Tape $0.30 $0.219 $0.199 $0.178 View Reel $0.15 $0.167 $0.16 $0.156 $0.15 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	800 mV	300 mA	1 Output	Positive	30 uA	55 dB	Fixed	- 40 C	+ 125 C	100 mV	AEC-Q100	LDK130	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 250 mA ultra-low noise LDO LDLN025PU30R STMicroelectronics 1: $0.27 10,868In Stock	Mfr. Part No. LDLN025PU30R Mouser Part No 511-LDLN025PU30R	STMicroelectronics	LDO Voltage Regulators 250 mA ultra-low noise LDO Learn More about STMicroelectronics stm ldln025 ldos	Datasheet	10,868In Stock	Cut Tape $0.27 $0.204 $0.19 $0.171 View Reel $0.148 $0.164 $0.159 $0.155 $0.151 $0.148 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	DFN-4	3 V	250 mA	1 Output	Positive	250 uA	60 dB	Fixed	- 40 C	+ 125 C	250 mV		LDLN025	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 5.0V 1.5A Positive L4940V5 STMicroelectronics 1: $2.16 2,531In Stock	Mfr. Part No. L4940V5 Mouser Part No 511-L4940V5	STMicroelectronics	LDO Voltage Regulators 5.0V 1.5A Positive Learn More about STMicroelectronics stm standard products	Datasheet	2,531In Stock	$2.16 $1.65 $1.35 $1.26 View $1.21 $1.12 $1.10	Min.: 1 Mult.: 1	Through Hole	TO-220-3	5 V	1.5 A	1 Output	Positive	30 mA		Fixed	- 40 C	+ 150 C	200 mV		L4940	Tube
LDO Voltage Regulators IC Regulator LN 150MA, 1.8V LD39015M18R STMicroelectronics 1: $0.73 19,794In Stock	Mfr. Part No. LD39015M18R Mouser Part No 511-LD39015M18R	STMicroelectronics	LDO Voltage Regulators IC Regulator LN 150MA, 1.8V Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	19,794In Stock	Cut Tape $0.73 $0.551 $0.497 $0.434 Reel $0.333 View $0.405 $0.387 $0.373 $0.326 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.8 V	150 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	80 mV		LD39015	Reel, Cut Tape, MouseReel
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop LD39150DT25-R STMicroelectronics 1: $1.44 11,064In Stock	Mfr. Part No. LD39150DT25-R Mouser Part No 511-LD39150DT25-R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	11,064In Stock	Cut Tape $1.44 $1.04 $0.941 $0.833 View Reel $0.638 $0.779 $0.748 $0.715 $0.638 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	2.5 V	1.5 A	1 Output	Positive	2.5 mA		Fixed	- 40 C	+ 125 C	40 mV		LD39150	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 250 mA ultra-low noise LDO LDLN025M33R STMicroelectronics 1: $0.30 10,000In Stock	Mfr. Part No. LDLN025M33R Mouser Part No 511-LDLN025M33R	STMicroelectronics	LDO Voltage Regulators 250 mA ultra-low noise LDO Learn More about STMicroelectronics stm ldln025 ldos	Datasheet	10,000In Stock	Cut Tape $0.30 $0.223 $0.205 $0.184 View Reel $0.14 $0.174 $0.169 $0.164 $0.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V	250 mA	1 Output	Positive	12 uA	80 dB	Fixed	- 40 C	+ 125 C	120 mV		LDLN025	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current Linear Reg IC LD39130SJ12R STMicroelectronics 1: $0.761 6,931In Stock	Mfr. Part No. LD39130SJ12R Mouser Part No 511-LD39130SJ12R	STMicroelectronics	LDO Voltage Regulators 300mA current Linear Reg IC Learn More about STMicroelectronics stm ld39130s voltage regulator	Datasheet	6,931In Stock	Cut Tape $0.761 $0.544 $0.49 $0.428 View Reel $0.32 $0.399 $0.383 $0.368 $0.352 $0.32 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	FlipChip-4	1.2 V	300 mA	1 Output	Positive	45 uA	70 dB	Fixed	- 40 C	+ 125 C	300 mV		LD39130S	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 150mA Capless Ultra Low REG 50mV 100mA LDCL015M33R STMicroelectronics 1: $1.65 3,220In Stock	Mfr. Part No. LDCL015M33R Mouser Part No 511-LDCL015M33R	STMicroelectronics	LDO Voltage Regulators 150mA Capless Ultra Low REG 50mV 100mA Learn More about STMicroelectronics stm LDCL015	Datasheet	3,220In Stock	Cut Tape $1.65 $1.27 $1.09 $0.969 Reel $0.809 View $0.911 $0.877 $0.863 $0.801 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 V	150 mA	1 Output	Positive	120 uA		Fixed	- 40 C	+ 125 C	50 mV		LDCL015	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and low noise LDO LDK220PU50R STMicroelectronics 1: $0.39 10,455In Stock	Mfr. Part No. LDK220PU50R Mouser Part No 511-LDK220PU50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and low noise LDO Learn More about STMicroelectronics stm ldk220 regulator	Datasheet	10,455In Stock	Cut Tape $0.39 $0.267 $0.24 $0.206 Reel $0.148 View $0.191 $0.183 $0.174 $0.142 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	5 V	200 mA	1 Output	Positive	55 uA		Fixed	- 40 C	+ 125 C	100 mV		LDK220	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator ST1L08PUR STMicroelectronics 1: $1.01 4,559In Stock	Mfr. Part No. ST1L08PUR Mouser Part No 511-ST1L08PUR	STMicroelectronics	LDO Voltage Regulators 800 mA ultra low drop, high PSRR voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	4,559In Stock	Cut Tape $1.01 $0.727 $0.656 $0.578 View Reel $0.428 $0.541 $0.518 $0.504 $0.428 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	DFN-8	Adjustable	800 mA	1 Output	Positive	150 uA		Adjustable	- 40 C	+ 125 C	70 mV		ST1L08	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 5.0V 1.0A Positive L4941BDT-TR STMicroelectronics 1: $1.69 4,506In Stock	Mfr. Part No. L4941BDT-TR Mouser Part No 511-L4941BDT-TR	STMicroelectronics	LDO Voltage Regulators 5.0V 1.0A Positive Learn More about STMicroelectronics stm standard products	Datasheet	4,506In Stock	Cut Tape $1.69 $1.26 $1.14 $1.01 View Reel $0.789 $0.947 $0.911 $0.906 $0.789 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	TO-252-3	5 V	1 A	1 Output	Positive	20 mA		Fixed	- 40 C	+ 150 C	250 mV		L4941	Reel, Cut Tape, MouseReel