LDO Voltage Regulators – Mouser South Africa

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LD39100 Low-Noise Voltage Regulators

STMicroelectronics LD39100 Low-Noise Voltage Regulators provide 1A of maximum current with a 1.5V to 5.5V input voltage range and a 200mV typical dropout voltage. The device features ceramic capacitors on the input and output, ultralow dropout voltage, low quiescent current, and low-noise. These features make the LD39100 suitable for low-power battery-powered applications. Power supply rejection is 70dB at low frequency and starts to roll off at 10kHz. The enable logic control function puts the LD39100 in shutdown mode, allowing a total current consumption lower than 1μA. The device also includes short-circuit constant-current-limiting and thermal protection. LD39100 is also available in an AEC-Q100 qualified version, in the DFN6 (3x3mm) with wettable flank package.

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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: $0.911 69,124In 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	69,124In Stock	Cut Tape $0.911 $0.723 $0.647 $0.576 Reel $0.486 View $0.54 $0.525 $0.513 $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 A low quiescent current low noise voltage regulator LD39100PURY STMicroelectronics 1: $1.26 21,417In 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	21,417In Stock	Cut Tape $1.26 $0.907 $0.822 $0.73 Reel $0.615 View $0.67 $0.652 $0.638 $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 1 A low quiescent current low noise voltage regulator LD39100PU12R STMicroelectronics 1: $0.861 2,702In Stock	Mfr. Part No. LD39100PU12R Mouser Part No 511-LD39100PU12R	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	2,702In Stock	Cut Tape $0.861 $0.691 $0.648 $0.60 View Reel $0.464 $0.578 $0.559 $0.54 $0.464 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT		1.2 V	1 A	1 Output	Positive	200 uA		Fixed	- 40 C	+ 125 C	200 mV		LD39100	Reel, Cut Tape, MouseReel
LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator LD39100PU12RY STMicroelectronics 1: $1.30 19,529In Stock	Mfr. Part No. LD39100PU12RY Mouser Part No 511-LD39100PU12RY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	19,529In Stock	Cut Tape $1.30 $0.94 $0.851 $0.754 Reel $0.64 View $0.707 $0.678 $0.658 $0.626 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	1.2 V	1 A	1 Output	Positive	200 uA		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 LD39100PU25RY STMicroelectronics 1: $1.28 4,207In Stock	Mfr. Part No. LD39100PU25RY Mouser Part No 511-LD39100PU25RY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	4,207In Stock	Cut Tape $1.28 $0.94 $0.833 $0.737 View Reel $0.592 $0.691 $0.663 $0.64 $0.592 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	2.5 V	1 A	1 Output	Positive	200 uA	65 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 LD39100PU33RY STMicroelectronics 1: $1.24 2,421In Stock 9,000On Order	Mfr. Part No. LD39100PU33RY Mouser Part No 511-LD39100PU33RY	STMicroelectronics	LDO Voltage Regulators 1 A low quiescent current low noise voltage regulator Learn More about STMicroelectronics stm ld39100 regulators	Datasheet	2,421In Stock 9,000On Order On Order Ship Dates Mfr. No: LD39100PU33RY Stock: 2,421 Can Dispatch Immediately On Order: 3,000 Expected 2027/01/15 6,000 Expected 2027/05/10 Factory Lead Time: 30 Weeks	Cut Tape $1.24 $0.926 $0.847 $0.757 Reel $0.652 View $0.709 $0.682 $0.665 $0.638 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN-6	3.3 V	1 A	1 Output	Positive	200 uA		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 LD39100PU18RY STMicroelectronics 1: $1.37 230In 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	230In Stock 3,000On Order	Cut Tape $1.37 $0.893 $0.814 $0.727 View Reel $0.648 $0.685 $0.661 $0.65 $0.648 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: $1.10 200In Stock 9,000Expected 2027/01/01	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	200In Stock 9,000Expected 2027/01/01	Cut Tape $1.10 $0.791 $0.715 $0.632 $0.59 Reel $0.59 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

LD39100 Low-Noise Voltage Regulators

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