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L6981 Synchronous Step-down Converters

STMicroelectronics L6981 Synchronous Step-down Converters are easy-to-use synchronous monolithic step-down regulators capable of delivering up to 1.5A DC to the load. The L6981 offers a wide input voltage range that making it suitable for a broad range of applications.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (COP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package / Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981N50DR STMicroelectronics 1: $ 9.586,23 1.619In Stock	Mfr. Part # L6981N50DR Mouser Part # 511-L6981N50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	1.619In Stock	Cut Tape $ 9.586,23 $ 7.142,68 $ 6.503,60 $ 5.826,92 Reel $ 4.962,28 View $ 5.526,18 $ 5.338,21 $ 5.112,66 $ 4.849,50	Min.: 1 Mult.: 1 : 2.500													L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981N33DR STMicroelectronics 1: $ 8.947,15 1.877In Stock 2.500Expected 12/2/2026	Mfr. Part # L6981N33DR Mouser Part # 511-L6981N33DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	1.877In Stock 2.500Expected 12/2/2026	Cut Tape $ 8.947,15 $ 6.766,75 $ 6.240,45 $ 5.638,96 Reel $ 4.962,28 View $ 5.375,81 $ 5.225,44 $ 5.112,66 $ 4.849,50	Min.: 1 Mult.: 1 : 2.500													L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981C33DR STMicroelectronics 1: $ 9.059,93 860In Stock	Mfr. Part # L6981C33DR Mouser Part # 511-L6981C33DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	860In Stock	Cut Tape $ 9.059,93 $ 6.841,94 $ 6.278,04 $ 5.676,55 Reel $ 4.962,28 View $ 5.526,18 $ 5.338,21 $ 5.225,44 $ 4.849,50	Min.: 1 Mult.: 1 : 2.500			SMD/SMT	SO-8	Buck	3.3 V	1.5 A	1 Output	20 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current L6981CDR STMicroelectronics 1: $ 9.623,82 623In Stock 20.000On Order	Mfr. Part # L6981CDR Mouser Part # 511-L6981CDR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	623In Stock 20.000On Order On Order Ship Dates Mfr. #: L6981CDR Stock: 623 Can Ship Immediately On Order: 2.500 Expected 4/16/2027 7.500 Expected 4/19/2027 10.000 Expected 6/18/2027 Factory Lead-Time: 30 Weeks	Cut Tape $ 9.623,82 $ 7.481,02 $ 6.578,79 $ 5.902,11 View Reel $ 4.999,88 $ 5.601,37 $ 5.413,40 $ 5.300,62 $ 4.999,88 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			SMD/SMT	SOIC-8	Buck	850 mV to 38 V	1.5 A	1 Output	35 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current L6981NDR STMicroelectronics 1: $ 9.586,23 108In Stock 5.000Expected 4/7/2027	Mfr. Part # L6981NDR Mouser Part # 511-L6981NDR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	108In Stock 5.000Expected 4/7/2027	Cut Tape $ 9.586,23 $ 7.142,68 $ 6.503,60 $ 5.826,92 View Reel $ 4.962,28 $ 5.526,18 $ 5.375,81 $ 4.962,28 MouseReel Available	Min.: 1 Mult.: 1 : 2.500			SMD/SMT	SOIC-8	Buck	850 mV to 38 V	1.5 A	1 Output	2.3 mA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current L6981C50DR STMicroelectronics 1: $ 9.586,23 4.949Expected 12/28/2026	Mfr. Part # L6981C50DR Mouser Part # 511-L6981C50DR	STMicroelectronics	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with low quiescent current Learn More about STMicroelectronics stm l6981 converters	Datasheet	4.949Expected 12/28/2026	Cut Tape $ 9.586,23 $ 7.142,68 $ 6.503,60 $ 5.826,92 Reel $ 4.962,28 View $ 5.526,18 $ 5.338,21 $ 5.225,44 $ 4.849,50	Min.: 1 Mult.: 1 : 2.500			SMD/SMT	SO-8	Buck	5 V	1.5 A	1 Output	20 uA	400 kHz	- 40 C	+ 150 C	L6981	Reel, Cut Tape