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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 (KRW) 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: ₩3,978 1,651In 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	1,651In Stock	Cut Tape ₩3,978 ₩2,964 ₩2,698.8 ₩2,418 Reel ₩2,059.2 View ₩2,293.2 ₩2,215.2 ₩2,121.6 ₩2,012.4	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: ₩3,712.8 2,178In 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	2,178In Stock	Cut Tape ₩3,712.8 ₩2,808 ₩2,589.6 ₩2,340 Reel ₩2,059.2 View ₩2,230.8 ₩2,168.4 ₩2,121.6 ₩2,012.4	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: ₩3,400.8 957In 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	957In Stock	Cut Tape ₩3,400.8 ₩2,652 ₩2,464.8 ₩2,246.4 Reel ₩2,028 View ₩2,152.8 ₩2,106 ₩2,074.8 ₩1,981.2	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: ₩3,978 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 ₩3,978 ₩2,964 ₩2,698.8 ₩2,418 Reel ₩2,059.2 View ₩2,293.2 ₩2,215.2 ₩2,168.4 ₩2,012.4	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: ₩3,993.6 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 ₩3,993.6 ₩3,057.6 ₩2,730 ₩2,449.2 View Reel ₩2,074.8 ₩2,324.4 ₩2,246.4 ₩2,184 ₩2,074.8 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: ₩3,978 688In 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	688In Stock 5,000Expected 4/7/2027	Cut Tape ₩3,978 ₩2,964 ₩2,698.8 ₩2,418 View Reel ₩2,059.2 ₩2,293.2 ₩2,230.8 ₩2,059.2 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