LDO Voltage Regulators – Mouser Singapore

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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 (SGD) 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 200 mA low quiescent current very low noise LDO LDK120DM33R STMicroelectronics 1: $0.517 7,378In 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	7,378In Stock	Cut Tape $0.517 $0.359 $0.32 $0.276 Reel $0.204 View $0.256 $0.242 $0.233 $0.201 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 very low noise LDO LDK130PU15R STMicroelectronics 1: $0.367 5,407In Stock	Mfr. Part No. LDK130PU15R Mouser Part No 511-LDK130PU15R	STMicroelectronics	LDO Voltage Regulators 300mA current very low noise LDO Learn More about STMicroelectronics stm ldk130p regulator	Datasheet	5,407In Stock	Cut Tape $0.367 $0.268 $0.246 $0.223 Reel $0.222 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	1.5 V	300 mA	1 Output	Positive	30 uA	55 dB	Fixed	- 40 C	+ 125 C	100 mV		LDK130	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current very low noise LDO LDK130PU25R STMicroelectronics 1: $0.544 5,996In Stock	Mfr. Part No. LDK130PU25R Mouser Part No 511-LDK130PU25R	STMicroelectronics	LDO Voltage Regulators 300mA current very low noise LDO Learn More about STMicroelectronics stm ldk130p regulator	Datasheet	5,996In Stock	Cut Tape $0.544 $0.375 $0.335 $0.288 Reel $0.215 View $0.268 $0.254 $0.243 $0.211 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	2.5 V	300 mA	1 Output	Positive	30 uA	55 dB	Fixed	- 40 C	+ 125 C	100 mV		LDK130	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current very low noise LDO LDK120M10R STMicroelectronics 1: $0.517 5,130In Stock	Mfr. Part No. LDK120M10R Mouser Part No 511-LDK120M10R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	5,130In Stock	Cut Tape $0.517 $0.359 $0.32 $0.276 Reel $0.204 View $0.256 $0.242 $0.233 $0.203 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1 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 200 mA low quiescent Very low noise LDO LDK120M18R STMicroelectronics 1: $0.517 8,375In Stock	Mfr. Part No. LDK120M18R Mouser Part No 511-LDK120M18R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent Very low noise LDO Learn More about STMicroelectronics stm ldk120m regulator	Datasheet	8,375In Stock	Cut Tape $0.517 $0.358 $0.318 $0.275 Reel $0.204 View $0.254 $0.242 $0.231 $0.189 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.8 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 current and high PSRR voltage regulator LDK320ADU120R STMicroelectronics 1: $0.598 5,807In Stock	Mfr. Part No. LDK320ADU120R Mouser Part No 511-LDK320ADU120R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	5,807In Stock	Cut Tape $0.598 $0.422 $0.377 $0.326 Reel $0.252 View $0.302 $0.288 $0.276 $0.219 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	12 V	200 mA	1 Output	Positive	60 uA	88 dB	Fixed	- 40 C	+ 125 C	200 mV		LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current very low noise LDO LDK130M15R STMicroelectronics 1: $0.626 6,123In Stock	Mfr. Part No. LDK130M15R Mouser Part No 511-LDK130M15R	STMicroelectronics	LDO Voltage Regulators 300mA current very low noise LDO Learn More about STMicroelectronics stm ldk130m regulator	Datasheet	6,123In Stock	Cut Tape $0.626 $0.379 $0.336 $0.31 Reel $0.264 View $0.295 $0.282 $0.201 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.5 V	300 mA	1 Output			55 dB	Fixed	- 40 C	+ 125 C		AEC-Q100	LDK130	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 500 mA low quiescent current and low noise voltage regulator LD39050PVR STMicroelectronics 1: $1.24 4,145In Stock	Mfr. Part No. LD39050PVR Mouser Part No 511-LD39050PVR	STMicroelectronics	LDO Voltage Regulators 500 mA low quiescent current and low noise voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	4,145In Stock	Cut Tape $1.24 $0.994 $0.933 $0.83 Reel $0.673 View $0.777 $0.745 $0.725 $0.669 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	800 mV to 4.5 V	500 mA	1 Output	Positive	100 uA		Adjustable	- 40 C	+ 125 C	200 mV		LD39050	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 300mA current Linear Reg IC LD39130SJ25R STMicroelectronics 1: $0.748 8,004In Stock	Mfr. Part No. LD39130SJ25R Mouser Part No 511-LD39130SJ25R	STMicroelectronics	LDO Voltage Regulators 300mA current Linear Reg IC Learn More about STMicroelectronics stm ld39130s voltage regulator	Datasheet	8,004In Stock	Cut Tape $0.748 $0.581 $0.541 $0.498 View Reel $0.432 $0.477 $0.464 $0.453 $0.441 $0.432 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	FlipChip-4	2.5 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 300 mA very low dropout linear regulator IC LD59030DTPU12R STMicroelectronics 1: $0.49 12,984In Stock	Mfr. Part No. LD59030DTPU12R Mouser Part No 511-LD59030DTPU12R	STMicroelectronics	LDO Voltage Regulators 300 mA very low dropout linear regulator IC Learn More about STMicroelectronics stm ld59030 regulators	Datasheet	12,984In Stock	Cut Tape $0.49 $0.33 $0.294 $0.258 View Reel $0.177 $0.239 $0.227 $0.218 $0.205 $0.177 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	DFN-4	1.2 V	300 mA	1 Output	Positive	305 uA	75 dB	Fixed	- 40 C	+ 125 C	155 mV		LD59030	Reel, Cut Tape, MouseReel
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo LD3985M29R STMicroelectronics 1: $1.06 2,810In Stock	Mfr. Part No. LD3985M29R Mouser Part No 511-LD3985M29R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Lo Learn More about STMicroelectronics stm standard products	Datasheet	2,810In Stock	Cut Tape $1.06 $0.743 $0.666 $0.581 Reel $0.475 View $0.541 $0.517 $0.496 $0.462 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	2.9 V	150 mA	1 Output	Positive	150 uA		Fixed	- 40 C	+ 125 C	400 uV		LD3985	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise LD39015M08R STMicroelectronics 1: $1.09 2,293In Stock	Mfr. Part No. LD39015M08R Mouser Part No 511-LD39015M08R	STMicroelectronics	LDO Voltage Regulators 150mA Voltage Reg. Lo-quiescnt Lo-noise Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	2,293In Stock	Cut Tape $1.09 $0.763 $0.684 $0.597 Reel $0.475 View $0.556 $0.532 $0.51 $0.468 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	800 mV	150 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	80 mV		LD39015	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and low noise LDO LDK220M30R STMicroelectronics 1: $0.53 6,074In Stock	Mfr. Part No. LDK220M30R Mouser Part No 511-LDK220M30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and low noise LDO Learn More about STMicroelectronics stm ldk220 regulator	Datasheet	6,074In Stock	Cut Tape $0.53 $0.367 $0.328 $0.283 View Reel $0.238 $0.261 $0.248 $0.238 $0.238 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3 V	200 mA	1 Output	Positive	60 uA		Fixed	- 40 C	+ 125 C	200 mV		LDK220	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 3.3V 500mA ULTRA LDO LD39050PU33R STMicroelectronics 1: $1.35 68,018In Stock	Mfr. Part No. LD39050PU33R Mouser Part No 511-LD39050PU33R	STMicroelectronics	LDO Voltage Regulators 3.3V 500mA ULTRA LDO Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	68,018In Stock	Cut Tape $1.35 $1.04 $0.917 $0.831 Reel $0.661 View $0.777 $0.741 $0.69 $0.653 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	3.3 V	500 mA	1 Output	Positive	50 uA		Fixed	- 40 C	+ 125 C	200 mV		LD39050	Reel, Cut Tape, MouseReel
LDO Voltage Regulators ADJ FRM 0.8V LDO 500mA LD39050PUR STMicroelectronics 1: $1.55 37,535In Stock	Mfr. Part No. LD39050PUR Mouser Part No 511-LD39050PUR	STMicroelectronics	LDO Voltage Regulators ADJ FRM 0.8V LDO 500mA Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	37,535In Stock	Cut Tape $1.55 $1.12 $1.01 $0.887 Reel $0.734 View $0.828 $0.793 $0.768 $0.715 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	800 mV	500 mA	1 Output	Positive	50 uA		Adjustable	- 40 C	+ 125 C	200 mV		LD39050	Reel, Cut Tape, MouseReel
LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop LD39150DT33-R STMicroelectronics 1: $1.92 28,198In Stock 22,500Expected 14/5/2027	Mfr. Part No. LD39150DT33-R Mouser Part No 511-LD39150DT33-R	STMicroelectronics	LDO Voltage Regulators Bicmos Vltg Regulatr Ultra Lo Drop Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	28,198In Stock 22,500Expected 14/5/2027	Cut Tape $1.92 $1.41 $1.28 $1.13 View Reel $0.944 $1.06 $1.02 $0.997 $0.944 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		Fixed	- 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 LD39200PU33R STMicroelectronics 1: $1.60 45,697In Stock 27,000Expected 24/9/2027	Mfr. Part No. LD39200PU33R Mouser Part No 511-LD39200PU33R	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	45,697In Stock 27,000Expected 24/9/2027	Cut Tape $1.60 $1.16 $1.05 $0.929 View Reel $0.835 $0.87 $0.835 $0.835 MouseReel Available	Min.: 1 Mult.: 1 Max.: 680 : 3,000	SMD/SMT	DFN-6	3.3 V	2 A	1 Output	Positive	1 mA	40 dB	Fixed	- 40 C	+ 125 C	130 mV		LD39200	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1.5 A Low Dropout Linear Regulator with Programmable Soft-Start LD59150PURY STMicroelectronics 1: $3.05 28,382In Stock	Mfr. Part No. LD59150PURY Mouser Part No 511-LD59150PURY	STMicroelectronics	LDO Voltage Regulators 1.5 A Low Dropout Linear Regulator with Programmable Soft-Start Learn More about STMicroelectronics stmicro ld59150 ldo regulators	Datasheet	28,382In Stock	Cut Tape $3.05 $2.26 $2.07 $1.85 View Reel $1.58 $1.74 $1.69 $1.66 $1.63 $1.58 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	SMD/SMT	DFN-10	800 mV to 3.6 V	1.5 A	1 Output	Positive		70 dB	Adjustable	- 40 C	+ 125 C	65 mV	AEC-Q100	LD59150	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and low noise LDO LDK220M-R STMicroelectronics 1: $0.53 96,685In Stock	Mfr. Part No. LDK220M-R Mouser Part No 511-LDK220M-R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and low noise LDO Learn More about STMicroelectronics stm ldk220 regulator	Datasheet	96,685In Stock	Cut Tape $0.53 $0.364 $0.325 $0.282 Reel $0.223 View $0.26 $0.248 $0.237 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	Adjustable	200 mA	1 Output	Positive	60 uA		Adjustable	- 40 C	+ 125 C	100 mV		LDK220	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM50R STMicroelectronics 1: $0.626 167,863In 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	167,863In Stock	Cut Tape $0.626 $0.431 $0.385 $0.332 View Reel $0.287 $0.31 $0.295 $0.288 $0.287 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 1.2 A low quiescent current LDO with reverse current protection LDL112PUR STMicroelectronics 1: $0.762 160,600In Stock 93,000On Order	Mfr. Part No. LDL112PUR Mouser Part No 511-LDL112PUR	STMicroelectronics	LDO Voltage Regulators 1.2 A low quiescent current LDO with reverse current protection Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	160,600In Stock 93,000On Order	Cut Tape $0.762 $0.525 $0.469 $0.408 Reel $0.328 View $0.379 $0.362 $0.347 $0.318 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	Adjustable	1.2 A	1 Output	Positive	240 uA	53 dB	Adjustable	- 40 C	+ 125 C	350 mV		LDL112	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC LDL212DR STMicroelectronics 1: $0.666 84,840In Stock	Mfr. Part No. LDL212DR Mouser Part No 511-LDL212DR	STMicroelectronics	LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC Learn More about STMicroelectronics stm ldl212 ic	Datasheet	84,840In Stock	Cut Tape $0.666 $0.468 $0.419 $0.363 View Reel $0.292 $0.337 $0.321 $0.307 $0.292 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,800 : 2,500	SMD/SMT	SOIC-8	Adjustable	1.2 A	1 Output	Positive	250 uA		Adjustable	- 40 C	+ 125 C	350 mV		LDL212	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC LDL212PUR STMicroelectronics 1: $0.666 87,359In Stock	Mfr. Part No. LDL212PUR Mouser Part No 511-LDL212PUR	STMicroelectronics	LDO Voltage Regulators 1.2A Low Drop Linear Regulator IC Learn More about STMicroelectronics stm ldl212 ic	Datasheet	87,359In Stock	Cut Tape $0.666 $0.468 $0.419 $0.363 Reel $0.286 View $0.337 $0.321 $0.307 $0.283 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	Adjustable	1.2 A	1 Output	Positive	380 uA	87 dB, 75 dB	Adjustable	- 40 C	+ 125 C	350 mV		LDL212	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 400 mA, 38 V low-dropout regulator, with 45uAA quiescent current LDO40LPURY STMicroelectronics 1: $2.48 18,519In Stock 12,000On Order	Mfr. Part No. LDO40LPURY Mouser Part No 511-LDO40LPURY	STMicroelectronics	LDO Voltage Regulators 400 mA, 38 V low-dropout regulator, with 45uAA quiescent current Learn More about STMicroelectronics stm ldo40l low dropout regulator	Datasheet	18,519In Stock 12,000On Order On Order Ship Dates Mfr. No: LDO40LPURY Stock: 18,519 Can Dispatch Immediately On Order: 3,000 Expected 19/2/2027 9,000 Expected 23/4/2027 Factory Lead Time: 30 Weeks	Cut Tape $2.48 $1.82 $1.66 $1.47 Reel $1.24 View $1.39 $1.33 $1.32 $1.18 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	Adjustable	400 mA	1 Output	Positive	45 uA	70 dB	Adjustable	- 40 C	+ 125 C	140 mV	AEC-Q100	LDO40L	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 5.0V 0.25A Positive L4931ABD50-TR STMicroelectronics 1: $1.84 3,406In 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	3,406In Stock	Cut Tape $1.84 $1.33 $1.21 $1.07 View Reel $0.777 $1.01 $0.966 $0.928 $0.777 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