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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 (ARS) 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: $ 4.436,98 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 $ 4.436,98 $ 3.305,98 $ 3.010,19 $ 2.696,99 Reel $ 2.296,79 View $ 2.557,79 $ 2.470,79 $ 2.366,39 $ 2.244,59	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: $ 4.141,18 1.779In Stock	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	1.779In Stock	Cut Tape $ 4.141,18 $ 3.131,98 $ 2.888,39 $ 2.609,99 Reel $ 2.296,79 View $ 2.488,19 $ 2.418,59 $ 2.366,39 $ 2.244,59	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: $ 4.193,38 870In 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	870In Stock	Cut Tape $ 4.193,38 $ 3.166,78 $ 2.905,79 $ 2.627,39 Reel $ 2.296,79 View $ 2.557,79 $ 2.470,79 $ 2.418,59 $ 2.244,59	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 low quiescent current L6981C50DR STMicroelectronics 1: $ 4.436,98 982In Stock	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	982In Stock	Cut Tape $ 4.436,98 $ 3.305,98 $ 3.010,19 $ 2.696,99 Reel $ 2.296,79 View $ 2.557,79 $ 2.470,79 $ 2.418,59 $ 2.244,59	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
	Switching Voltage Regulators 38 V, 1.5 A synchronous step-down converter with 20uAA quiescent current L6981CDR STMicroelectronics 1: $ 4.454,38 108In 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	108In Stock 20.000On Order On Order Ship Dates Mfr. #: L6981CDR Stock: 108 Can Ship Immediately On Order: 2.500 Expected 4/16/2027 17.500 Expected 6/18/2027 Factory Lead-Time: 30 Weeks	Cut Tape $ 4.454,38 $ 3.462,58 $ 3.044,98 $ 2.731,79 View Reel $ 2.314,19 $ 2.592,59 $ 2.505,59 $ 2.453,39 $ 2.314,19 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: $ 4.436,98 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 $ 4.436,98 $ 3.305,98 $ 3.010,19 $ 2.696,99 View Reel $ 2.296,79 $ 2.557,79 $ 2.488,19 $ 2.296,79 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