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LD49100 Automotive Regulators

STMicroelectronics LD49100 Automotive Regulators provide 1A maximum current with an input voltage range from 1.5V to 5.5V and a typical dropout voltage of 200mV. The LD49100 has ceramic capacitors on the input and output, offering stability. The LD49100 Automotive Regulators feature ultra low-dropout voltage, low quiescent current, and low-noise, making it ideal for a wide range of automotive applications.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package/Case	Output Voltage	Output Current	Number of Outputs	Polarity	Quiescent Current	Input Voltage, Min	Input Voltage, Max	PSRR / Ripple Rejection - Typ	Output Type	Minimum Operating Temperature	Maximum Operating Temperature	Dropout Voltage	Qualification	Series	Packaging
	LDO Voltage Regulators 1.8 V Output Voltage LD49100PU18RY STMicroelectronics 1: $1.88 4,023In Stock	Mfr. Part No. LD49100PU18RY Mouser Part No 511-LD49100PU18RY	STMicroelectronics	LDO Voltage Regulators 1.8 V Output Voltage Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	4,023In Stock	Cut Tape $1.88 $1.37 $1.24 $1.09 View Reel $0.881 $1.03 $0.986 $0.952 $0.881 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	DFN-6	1.8 V	1 A	1 Output	Positive	200 uA				Fixed	- 40 C	+ 125 C	200 mV	AEC-Q100	LD49100	Reel, Cut Tape, MouseReel
	LDO Voltage Regulators 1.2 V Output Voltage LD49100PU12RY STMicroelectronics 1: $1.88 1,650In Stock	Mfr. Part No. LD49100PU12RY Mouser Part No 511-LD49100PU12RY	STMicroelectronics	LDO Voltage Regulators 1.2 V Output Voltage Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	1,650In Stock	Cut Tape $1.88 $1.37 $1.24 $1.10 Reel $0.911 View $1.03 $0.99 $0.952 $0.891 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	LD49100	Reel, Cut Tape, MouseReel
	LDO Voltage Regulators 3.3 V Output Voltage LD49100PU33RY STMicroelectronics 1: $1.73 3,899In Stock	Mfr. Part No. LD49100PU33RY Mouser Part No 511-LD49100PU33RY	STMicroelectronics	LDO Voltage Regulators 3.3 V Output Voltage Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	3,899In Stock	Cut Tape $1.73 $1.27 $1.16 $1.04 Reel $0.88 View $0.979 $0.944 $0.917 $0.862 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	LD49100	Reel, Cut Tape, MouseReel
	LDO Voltage Regulators Adjustable Output Voltage LD49100PURY STMicroelectronics 1: $1.97 3,000Expected 1/12/2026	Mfr. Part No. LD49100PURY Mouser Part No 511-LD49100PURY	STMicroelectronics	LDO Voltage Regulators Adjustable Output Voltage Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	3,000Expected 1/12/2026	Cut Tape $1.97 $1.44 $1.30 $1.15 View Reel $0.917 $1.08 $1.03 $1.00 $0.917 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	LD49100	Reel, Cut Tape, MouseReel
	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start - Automo LD49100PU15RY STMicroelectronics 1: $1.88 679In Stock	Mfr. Part No. LD49100PU15RY Mouser Part No 511-LD49100PU15RY	STMicroelectronics	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start - Automo Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	679In Stock	Cut Tape $1.88 $1.37 $1.24 $1.10 Reel $0.911 View $1.03 $0.99 $0.952 $0.891 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	DFN-6	1.5 V	1 A	1 Output	Positive	20 uA			70 dB	Fixed	- 40 C	+ 125 C	200 mV	AEC-Q100	LD49100	Reel, Cut Tape, MouseReel
	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start - Automo LD49100PU10RY STMicroelectronics 3,000: $0.96 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. LD49100PU10RY Mouser Part No 511-LD49100PU10RY	STMicroelectronics	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start - Automo Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel $0.96	Min.: 3,000 Mult.: 3,000 : 3,000			SMD/SMT	DFN-6	1 V	1 A	1 Output	Positive	20 uA			70 dB	Fixed	- 40 C	+ 125 C	200 mV	AEC-Q100	LD49100	Reel
	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start LD49100PU25RY STMicroelectronics 3,000: $0.982 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. LD49100PU25RY Mouser Part No 511-LD49100PU25RY	STMicroelectronics	LDO Voltage Regulators 1 A, low quiescent current, low-noise voltage regulator with soft start Learn More about STMicroelectronics stm ld49100 regulators	Datasheet	Non-Stocked Lead-Time 30 Weeks	Reel $0.982	Min.: 3,000 Mult.: 3,000 : 3,000			SMD/SMT	DFN-6	2.5 V	1 A	1 Output	Positive	200 uA				Fixed	- 40 C	+ 125 C	200 mV	AEC-Q100	LD49100	Reel