LDO Voltage Regulators – Mouser Canada

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LDK320 High PSRR Voltage Regulators

STMicroelectronics LDK320 High PSRR Voltage Regulators are low drop voltage regulators with a maximum 200mA output current from a 2.5V to 18V input voltage range. The regulators have a typical dropout voltage of 100mV and are stabilized with a ceramic capacitor on the output. The LDK320 are ideal for low battery powered applications with a very good dynamic characteristic, combined with low drop voltage and low quiescent current. The enable logic control function allows the LDK320 to be in shutdown mode by consuming a total current lower than 1μA. This device also includes a short-circuit current limiting, thermal, and SOA protections.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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	Series	Packaging
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM120R STMicroelectronics 1: $0.59 29,470In Stock	Mfr. Part # LDK320AM120R Mouser Part # 511-LDK320AM120R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	29,470In Stock	Cut Tape $0.59 $0.456 $0.431 $0.396 View Reel $0.298 $0.379 $0.312 $0.305 $0.298 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	12 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 200 mA low quiescent current and high PSRR voltage regulator LDK320ADU120R STMicroelectronics 1: $0.634 5,807In Stock	Mfr. Part # LDK320ADU120R Mouser Part # 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 $0.634 $0.446 $0.399 $0.346 Reel $0.259 View $0.32 $0.305 $0.292 $0.239 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM50R STMicroelectronics 1: $0.662 147,866In Stock	Mfr. Part # LDK320AM50R Mouser Part # 511-LDK320AM50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	147,866In Stock	Cut Tape $0.662 $0.456 $0.408 $0.351 View Reel $0.304 $0.328 $0.312 $0.305 $0.304 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 200 mA low quiescent current and high PSRR voltage regulator LDK320ADU50R STMicroelectronics 1: $0.634 44,009In Stock 2,500Expected 2027-02-05	Mfr. Part # LDK320ADU50R Mouser Part # 511-LDK320ADU50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	44,009In Stock 2,500Expected 2027-02-05	Cut Tape $0.634 $0.446 $0.399 $0.346 View Reel $0.292 $0.32 $0.305 $0.292 $0.292 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,960 : 2,500	SMD/SMT	SOT-89-3	5 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM-R STMicroelectronics 1: $0.648 42,846In Stock	Mfr. Part # LDK320AM-R Mouser Part # 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	42,846In Stock	Cut Tape $0.648 $0.455 $0.406 $0.35 Reel $0.278 View $0.323 $0.307 $0.294 $0.269 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AU50R STMicroelectronics 1: $0.763 19,019In Stock	Mfr. Part # LDK320AU50R Mouser Part # 511-LDK320AU50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	19,019In Stock	Cut Tape $0.763 $0.526 $0.468 $0.403 Reel $0.32 View $0.373 $0.354 $0.34 $0.31 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-4	5 V	200 mA	1 Output	Positive	200 nA	88 dB	Fixed	- 40 C	+ 125 C	200 mV	LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320ADU30R STMicroelectronics 1: $0.763 611In Stock	Mfr. Part # LDK320ADU30R Mouser Part # 511-LDK320ADU30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	611In Stock	Cut Tape $0.763 $0.526 $0.468 $0.403 Reel $0.278 View $0.373 $0.354 $0.34 $0.269 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	3 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM25R STMicroelectronics 1: $0.634 4,910In Stock	Mfr. Part # LDK320AM25R Mouser Part # 511-LDK320AM25R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	4,910In Stock	Cut Tape $0.634 $0.446 $0.399 $0.346 Reel $0.275 View $0.32 $0.305 $0.292 $0.268 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	2.5 V	200 mA	1 Output	Positive	70 uA	88 dB	Fixed	- 40 C	+ 125 C	200 mV	LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM36R STMicroelectronics 1: $0.706 692In Stock 12,000On Order	Mfr. Part # LDK320AM36R Mouser Part # 511-LDK320AM36R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	692In Stock 12,000On Order	Cut Tape $0.706 $0.491 $0.439 $0.38 Reel $0.272 View $0.351 $0.336 $0.321 $0.262 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.6 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 200 mA low quiescent current and high PSRR voltage regulator LDK320M-R STMicroelectronics 1: $0.634 3,972In Stock 17,200Expected 2026-11-16	Mfr. Part # LDK320M-R Mouser Part # 511-LDK320M-R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	3,972In Stock 17,200Expected 2026-11-16	Cut Tape $0.634 $0.446 $0.399 $0.346 View Reel $0.275 $0.32 $0.305 $0.292 $0.275 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	200 mV	LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320M18R STMicroelectronics 1: $0.706 1,846In Stock	Mfr. Part # LDK320M18R Mouser Part # 511-LDK320M18R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	1,846In Stock	Cut Tape $0.706 $0.487 $0.433 $0.376 Reel $0.275 View $0.366 $0.351 $0.259 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.8 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 200 mA low quiescent current and high PSRR voltage regulator LDK320M30R STMicroelectronics 1: $1.25 30In Stock 6,000Expected 2027-07-30	Mfr. Part # LDK320M30R Mouser Part # 511-LDK320M30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	30In Stock 6,000Expected 2027-07-30	Cut Tape $1.25 $0.897 $0.808 $0.632 $0.609 Reel $0.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3 V	200 mA	1 Output	Positive	70 uA		Fixed	- 40 C	+ 125 C	100 mV	LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320M33R STMicroelectronics 1: $0.648 167In Stock 9,000Expected 2027-05-26	Mfr. Part # LDK320M33R Mouser Part # 511-LDK320M33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	167In Stock 9,000Expected 2027-05-26	Cut Tape $0.648 $0.448 $0.40 $0.347 Reel $0.278 View $0.321 $0.305 $0.295 $0.265 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 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 200 mA low quiescent current and high PSRR voltage regulator LDK320M50R STMicroelectronics 1: $0.648 3,579In Stock	Mfr. Part # LDK320M50R Mouser Part # 511-LDK320M50R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	3,579In Stock	Cut Tape $0.648 $0.451 $0.402 $0.348 Reel $0.278 View $0.323 $0.308 $0.295 $0.269 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM30R STMicroelectronics 1: $0.677 75In Stock 6,000Expected 2027-08-06	Mfr. Part # LDK320AM30R Mouser Part # 511-LDK320AM30R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	75In Stock 6,000Expected 2027-08-06	Cut Tape $0.677 $0.465 $0.415 $0.359 Reel $0.275 View $0.331 $0.315 $0.302 $0.259 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3 V	200 mA	1 Output	Positive	70 uA	48 dB	Fixed	- 40 C	+ 125 C	100 mV	LDK320	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320ADU33R STMicroelectronics 1: $0.778 22,445Expected 2027-03-24	Mfr. Part # LDK320ADU33R Mouser Part # 511-LDK320ADU33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	22,445Expected 2027-03-24	Cut Tape $0.778 $0.531 $0.475 $0.412 View Reel $0.298 $0.383 $0.364 $0.35 $0.298 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	SMD/SMT	SOT-89-3	3.3 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM33R STMicroelectronics 1: $0.763 25,845On Order	Mfr. Part # LDK320AM33R Mouser Part # 511-LDK320AM33R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	25,845On Order	Cut Tape $0.763 $0.526 $0.468 $0.403 View Reel $0.31 $0.373 $0.354 $0.34 $0.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	3.3 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 200 mA low quiescent current and high PSRR voltage regulator LDK320AM15R STMicroelectronics 1: $0.662 1,503In Stock	Mfr. Part # LDK320AM15R Mouser Part # 511-LDK320AM15R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ldk320 regulators	Datasheet	1,503In Stock	Cut Tape $0.662 $0.456 $0.408 $0.353 Reel $0.274 View $0.327 $0.311 $0.298 $0.262	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-5	1.5 V	200 mA	1 Output	Positive	70 uA	88 dB	Fixed	- 40 C	+ 125 C	200 mV	LDK320	Reel, Cut Tape
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320AM18R STMicroelectronics 3,000: $0.367 Non-Stocked Lead-Time 52 Weeks	Mfr. Part # LDK320AM18R Mouser Part # 511-LDK320AM18R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator	Datasheet	Non-Stocked Lead-Time 52 Weeks	Reel $0.367	Min.: 3,000 Mult.: 3,000 : 3,000													LDK320	Reel
LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator LDK320M25R STMicroelectronics 6,000: $0.285 Non-Stocked Lead-Time 30 Weeks	Mfr. Part # LDK320M25R Mouser Part # 511-LDK320M25R	STMicroelectronics	LDO Voltage Regulators 200 mA low quiescent current and high PSRR voltage regulator Learn More about STMicroelectronics stm ultra low dropout ldos	Datasheet	Non-Stocked Lead-Time 30 Weeks	Cut Tape $0.285	Min.: 6,000 Mult.: 3,000 : 3,000	SMD/SMT	SOT-23-5	2.5 V	200 mA	1 Output		70 uA	48 dB	Fixed	- 40 C	+ 125 C	200 mV	LDK320	Reel

LDK320 High PSRR Voltage Regulators

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LDK320 High PSRR Voltage Regulators

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