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Switching Controllers

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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.	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Input Voltage	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Qualification	Packaging
Switching Controllers 0.5mA Current Mode UC3843BN STMicroelectronics 1: $1.46 3,490In Stock	Mfr. Part # UC3843BN Mouser Part # 511-UC3843BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	3,490In Stock	$1.46 $1.04 $0.94 $0.827 View $0.772 $0.74 $0.716 $0.645 $0.632	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	Through Hole	PDIP-8		Tube
Switching Controllers PWM CONTROLLER UC3844BD1 STMicroelectronics 1: $1.25 4,210In Stock	Mfr. Part # UC3844BD1 Mouser Part # 511-UC3844BD1	STMicroelectronics	Switching Controllers PWM CONTROLLER Learn More about STMicroelectronics stm standard products	Datasheet	4,210In Stock	$1.25 $0.896 $0.822 $0.71 View $0.668 $0.636 $0.615 $0.586 $0.556	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers 0.5mA Current Mode UC3844BN STMicroelectronics 1: $1.76 3,575In Stock	Mfr. Part # UC3844BN Mouser Part # 511-UC3844BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	3,575In Stock	$1.76 $1.26 $1.13 $1.00 View $0.935 $0.894 $0.866 $0.796 $0.655	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	Through Hole	PDIP-8		Tube
Switching Controllers Single-phase PWM controller for automotive applications A6727TR STMicroelectronics 1: $1.69 1,423In Stock NRND	Mfr. Part # A6727TR Mouser Part # 511-A6727TR NRND	STMicroelectronics	Switching Controllers Single-phase PWM controller for automotive applications Learn More about STMicroelectronics stm a6727 automotive pwm controller	Datasheet	1,423In Stock	Cut Tape $1.69 $1.22 $1.11 $0.982 Reel $0.803 View $0.92 $0.884 $0.787 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck	1 Output	300 kHz	80 %		Adjustable	1.5 A	- 40 C	+ 150 C	SMD/SMT		AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers Prog Current Mode L5991AD STMicroelectronics 1: $3.46 103In Stock 1,000Expected 7/9/2027	Mfr. Part # L5991AD Mouser Part # 511-L5991AD	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	103In Stock 1,000Expected 7/9/2027	$3.46 $2.59 $2.22 $2.13 View $1.95 $1.86 $1.76 $1.72 $1.68	Min.: 1 Mult.: 1	Boost, Flyback	1 Output	1 MHz	100 %		5.075 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-16		Tube
Switching Controllers Regulated Volt Mode SG3524P013TR STMicroelectronics 1: $2.24 155In Stock 5,000Expected 7/30/2027	Mfr. Part # SG3524P013TR Mouser Part # 511-SG3524P013TR	STMicroelectronics	Switching Controllers Regulated Volt Mode	Datasheet	155In Stock 5,000Expected 7/30/2027	Cut Tape $2.24 $1.77 $1.60 $1.43 Reel $1.20 View $1.35 $1.29 $1.18 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Push-Pull	2 Output	300 kHz	45 %		18 V	100 mA	0 C	+ 70 C	SMD/SMT	SOIC-16		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC2842BD1 STMicroelectronics 1: $1.95 145In Stock 2,000Expected 4/9/2027	Mfr. Part # UC2842BD1 Mouser Part # 511-UC2842BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	145In Stock 2,000Expected 4/9/2027	$1.95 $1.42 $1.28 $1.11 View $1.03 $1.00 $0.956	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers PWM CONTROLLER UC2843BD1 STMicroelectronics 1: $2.33 1,197In Stock	Mfr. Part # UC2843BD1 Mouser Part # 511-UC2843BD1	STMicroelectronics	Switching Controllers PWM CONTROLLER Learn More about STMicroelectronics stm standard products	Datasheet	1,197In Stock	$2.33 $1.72 $1.56 $1.39 View $1.29 $1.25 $1.21 $1.13 $1.11	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers 0.5mA Current Mode UC2844BD1013TR STMicroelectronics 1: $1.43 1,803In Stock 2,500Expected 1/1/2027	Mfr. Part # UC2844BD1013TR Mouser Part # 511-UC2844BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,803In Stock 2,500Expected 1/1/2027	Cut Tape $1.43 $1.03 $0.932 $0.823 Reel $0.675 View $0.77 $0.738 $0.72 $0.647 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC3842BD1 STMicroelectronics 1: $1.64 730In Stock 4,000Expected 11/17/2026	Mfr. Part # UC3842BD1 Mouser Part # 511-UC3842BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	730In Stock 4,000Expected 11/17/2026	$1.64 $1.19 $1.08 $0.953 View $0.884 $0.858 $0.822 $0.744 $0.733	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers 0.5mA Current Mode UC3842BD1013TR STMicroelectronics 1: $1.29 2,026In Stock	Mfr. Part # UC3842BD1013TR Mouser Part # 511-UC3842BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	2,026In Stock	Cut Tape $1.29 $0.924 $0.835 $0.735 Reel $0.608 View $0.686 $0.658 $0.638 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC3843BD1 STMicroelectronics 1: $2.41 1,245In Stock	Mfr. Part # UC3843BD1 Mouser Part # 511-UC3843BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,245In Stock	$2.41 $1.77 $1.61 $1.43 View $1.34 $1.29 $1.21 $1.18	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers 0.5mA Current Mode UC3844BD1013TR STMicroelectronics 1: $0.819 5,233In Stock 5,000Expected 8/13/2027	Mfr. Part # UC3844BD1013TR Mouser Part # 511-UC3844BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	5,233In Stock 5,000Expected 8/13/2027	Cut Tape $0.819 $0.564 $0.503 $0.438 Reel $0.306 View $0.406 $0.338 $0.324 $0.293 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers PWM CONTROLLER UC3845BD1 STMicroelectronics 1: $2.21 375In Stock 2,000Expected 11/20/2026	Mfr. Part # UC3845BD1 Mouser Part # 511-UC3845BD1	STMicroelectronics	Switching Controllers PWM CONTROLLER Learn More about STMicroelectronics stm standard products	Datasheet	375In Stock 2,000Expected 11/20/2026	$2.21 $1.63 $1.48 $1.31 View $1.22 $1.19 $1.15 $1.05 $1.03	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Tube
Switching Controllers 0.5mA Current Mode UC3845BN STMicroelectronics 1: $1.60 1,998In Stock	Mfr. Part # UC3845BN Mouser Part # 511-UC3845BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,998In Stock	$1.60 $1.15 $1.03 $0.909 View $0.849 $0.814 $0.788 $0.606 $0.595	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	Through Hole	PDIP-8		Tube
Switching Controllers Hi Vltg resonant Controller L6599D STMicroelectronics 1: $4.76 449In Stock NRND	Mfr. Part # L6599D Mouser Part # 511-L6599D NRND	STMicroelectronics	Switching Controllers Hi Vltg resonant Controller	Datasheet	449In Stock	$4.76 $3.58 $3.19 $2.95 View $2.80 $2.72 $2.57 $2.50 $2.47	Min.: 1 Mult.: 1	Half Bridge	1 Output	500 kHz	52 %		13.3 V	800 mA	- 40 C	+ 150 C	SMD/SMT	SOIC-16		Tube
Switching Controllers Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT VIPERGAN100TR STMicroelectronics 1: $5.58 129In Stock NRND	Mfr. Part # VIPERGAN100TR Mouser Part # 511-VIPERGAN100TR NRND	STMicroelectronics	Switching Controllers Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT Learn More about STMicroelectronics stm vipergan100 offline high voltage converter	Datasheet	129In Stock	Cut Tape $5.58 $4.30 $3.98 $3.64 View Reel $3.20 $3.56 $3.45 $3.34 $3.30 $3.20 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Flyback	1 Output	330 kHz			6 V	4 mA	- 40 C	+ 150 C	SMD/SMT	VFQFN-16		Reel, Cut Tape, MouseReel
Switching Controllers Voltage Mode w/Sync SG2525AP013TR STMicroelectronics 1: $3.99 28,645On Order	Mfr. Part # SG2525AP013TR Mouser Part # 511-SG2525AP013TR	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	28,645On Order On Order Ship Dates Mfr. #: SG2525AP013TR Stock: 0 On Order: 11,145 Expected 2/19/2027 17,500 Expected 4/9/2027 Factory Lead-Time: 52 Weeks	Cut Tape $3.99 $2.99 $2.73 $2.38 View Reel $1.99 $2.25 $2.21 $2.15 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Push-Pull	2 Output	100 Hz to 400 kHz	49 %		5.1 V	500 mA	- 25 C	+ 85 C	SMD/SMT	SOIC-16		Reel, Cut Tape, MouseReel
Switching Controllers High-side switch controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications VNF1248FTR STMicroelectronics 1: $5.90 5,799Expected 5/21/2027 New Product	Mfr. Part # VNF1248FTR Mouser Part # 511-VNF1248FTR New Product	STMicroelectronics	Switching Controllers High-side switch controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications Learn More about STMicroelectronics stmicro vnf1248f switch controller	Datasheet	5,799Expected 5/21/2027	Cut Tape $5.90 $4.54 $4.11 $3.72 $3.54 Reel $3.21 MouseReel Available	Min.: 1 Mult.: 1 : 3,000		1 Output	8 MHz		6 V to 60 V			- 40 C	+ 150 C	SMD/SMT	QFN-32	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers MultiMode Controller for SMPS L6566BTR STMicroelectronics 1: $2.63 2,499Expected 9/3/2027	Mfr. Part # L6566BTR Mouser Part # 511-L6566BTR	STMicroelectronics	Switching Controllers MultiMode Controller for SMPS	Datasheet	2,499Expected 9/3/2027	Cut Tape $2.63 $2.11 $1.79 $1.61 View Reel $1.38 $1.52 $1.47 $1.46 $1.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	107 kHz	75 %		5 V	800 mA	- 40 C	+ 150 C	SMD/SMT	SO-16 N		Reel, Cut Tape, MouseReel
Switching Controllers Hi-Volt resonant controller L6599ADTR STMicroelectronics 1: $2.94 4,998Expected 1/29/2027	Mfr. Part # L6599ADTR Mouser Part # 511-L6599ADTR	STMicroelectronics	Switching Controllers Hi-Volt resonant controller	Datasheet	4,998Expected 1/29/2027	Cut Tape $2.94 $2.24 $2.07 $1.89 View Reel $1.61 $1.78 $1.73 $1.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Half Bridge	1 Output	500 kHz	52 %		13.3 V	800 mA	- 40 C	+ 150 C	SMD/SMT	SO N		Reel, Cut Tape, MouseReel
Switching Controllers Voltage/Current Cont TSM108IDT STMicroelectronics 1: $2.31 7,500On Order	Mfr. Part # TSM108IDT Mouser Part # 511-TSM108IDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	7,500On Order	Cut Tape $2.31 $1.69 $1.53 $1.37 View Reel $1.16 $1.28 $1.23 $1.22 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck	1 Output	70 kHz to 130 kHz	100 %		Adjustable	80 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-14		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC2845BD1013TR STMicroelectronics 1: $1.09 17,500On Order	Mfr. Part # UC2845BD1013TR Mouser Part # 511-UC2845BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	17,500On Order On Order Ship Dates Mfr. #: UC2845BD1013TR Stock: 0 On Order: 5,000 Expected 11/6/2026 5,000 Expected 2/19/2027 7,500 Expected 5/14/2027 Factory Lead-Time: 52 Weeks	Cut Tape $1.09 $0.77 $0.692 $0.605 View Reel $0.497 $0.563 $0.538 $0.519 $0.497 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC3843BD1013TR STMicroelectronics 1: $0.689 17,500On Order	Mfr. Part # UC3843BD1013TR Mouser Part # 511-UC3843BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	17,500On Order On Order Ship Dates Mfr. #: UC3843BD1013TR Stock: 0 On Order: 5,000 Expected 4/16/2027 12,500 Expected 7/2/2027 Factory Lead-Time: 52 Weeks	Cut Tape $0.689 $0.503 $0.45 $0.391 View Reel $0.306 $0.363 $0.346 $0.332 $0.306 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	100 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC3845BD1013TR STMicroelectronics 1: $0.689 7,500On Order	Mfr. Part # UC3845BD1013TR Mouser Part # 511-UC3845BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	7,500On Order On Order Ship Dates Mfr. #: UC3845BD1013TR Stock: 0 On Order: 2,500 Expected 2/19/2027 5,000 Expected 2/26/2027 Factory Lead-Time: 52 Weeks	Cut Tape $0.689 $0.49 $0.438 $0.381 View Reel $0.308 $0.354 $0.337 $0.324 $0.308 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.9 V to 5.1 V	1 A	- 40 C	+ 150 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel