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Switching Controllers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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 UC3844BN STMicroelectronics 1: £1.01 3,561In Stock	Mfr. Part No. UC3844BN Mouser Part No 511-UC3844BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	3,561In Stock	£1.01 £0.729 £0.656 £0.577 View £0.54 £0.517 £0.50 £0.459 £0.378	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: £0.978 1,423In Stock NRND	Mfr. Part No. A6727TR Mouser Part No 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 £0.978 £0.707 £0.64 £0.567 Reel £0.464 View £0.532 £0.511 £0.454 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: £2.00 99In Stock 1,000Expected 09/07/2027	Mfr. Part No. L5991AD Mouser Part No 511-L5991AD	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	99In Stock 1,000Expected 09/07/2027	£2.00 £1.49 £1.28 £1.23 View £1.13 £1.07 £1.01 £0.995 £0.969	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: £1.29 132In Stock 5,000Expected 11/12/2026	Mfr. Part No. SG3524P013TR Mouser Part No 511-SG3524P013TR	STMicroelectronics	Switching Controllers Regulated Volt Mode	Datasheet	132In Stock 5,000Expected 11/12/2026	Cut Tape £1.29 £1.02 £0.925 £0.826 View Reel £0.695 £0.78 £0.745 £0.743 £0.695 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: £1.13 81In Stock 2,000Expected 09/04/2027	Mfr. Part No. UC2842BD1 Mouser Part No 511-UC2842BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	81In Stock 2,000Expected 09/04/2027	£1.13 £0.818 £0.741 £0.64 View £0.598 £0.58 £0.552	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: £1.34 1,191In Stock	Mfr. Part No. UC2843BD1 Mouser Part No 511-UC2843BD1	STMicroelectronics	Switching Controllers PWM CONTROLLER Learn More about STMicroelectronics stm standard products	Datasheet	1,191In Stock	£1.34 £0.995 £0.899 £0.803 View £0.743 £0.723 £0.70 £0.65 £0.639	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: £0.826 1,803In Stock 2,500Expected 25/12/2026	Mfr. Part No. UC2844BD1013TR Mouser Part No 511-UC2844BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,803In Stock 2,500Expected 25/12/2026	Cut Tape £0.826 £0.595 £0.539 £0.475 Reel £0.389 View £0.444 £0.426 £0.416 £0.374 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: £0.943 505In Stock 4,000Expected 09/07/2027	Mfr. Part No. UC3842BD1 Mouser Part No 511-UC3842BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	505In Stock 4,000Expected 09/07/2027	£0.943 £0.688 £0.622 £0.55 View £0.511 £0.496 £0.475 £0.43	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: £0.743 2,022In Stock	Mfr. Part No. UC3842BD1013TR Mouser Part No 511-UC3842BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	2,022In Stock	Cut Tape £0.743 £0.533 £0.482 £0.424 Reel £0.351 View £0.396 £0.38 £0.368 £0.343 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: £1.39 1,241In Stock	Mfr. Part No. UC3843BD1 Mouser Part No 511-UC3843BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,241In Stock	£1.39 £1.02 £0.934 £0.826 View £0.773 £0.748 £0.746 £0.698 £0.684	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: £0.473 5,151In Stock 5,000Expected 13/08/2027	Mfr. Part No. UC3844BD1013TR Mouser Part No 511-UC3844BD1013TR	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	5,151In Stock 5,000Expected 13/08/2027	Cut Tape £0.473 £0.326 £0.291 £0.253 Reel £0.176 View £0.234 £0.196 £0.187 £0.169 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: £1.27 363In Stock 2,000Expected 18/11/2026	Mfr. Part No. UC3845BD1 Mouser Part No 511-UC3845BD1	STMicroelectronics	Switching Controllers PWM CONTROLLER Learn More about STMicroelectronics stm standard products	Datasheet	363In Stock 2,000Expected 18/11/2026	£1.27 £0.943 £0.856 £0.759 View £0.705 £0.686 £0.663 £0.605 £0.593	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: £0.925 1,998In Stock	Mfr. Part No. UC3845BN Mouser Part No 511-UC3845BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,998In Stock	£0.925 £0.663 £0.597 £0.525 View £0.491 £0.47 £0.455 £0.35 £0.344	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: £2.75 444In Stock NRND	Mfr. Part No. L6599D Mouser Part No 511-L6599D NRND	STMicroelectronics	Switching Controllers Hi Vltg resonant Controller	Datasheet	444In Stock	£2.75 £2.07 £1.84 £1.70 View £1.62 £1.57 £1.48 £1.44 £1.42	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: £3.22 129In Stock NRND	Mfr. Part No. VIPERGAN100TR Mouser Part No 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 £3.22 £2.49 £2.30 £2.10 View Reel £1.85 £2.06 £1.99 £1.93 £1.90 £1.85 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: £2.30 28,645On Order	Mfr. Part No. SG2525AP013TR Mouser Part No 511-SG2525AP013TR	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	28,645On Order On Order Ship Dates Mfr. No: SG2525AP013TR Stock: 0 On Order: 11,145 Expected 30/07/2027 17,500 Expected 06/08/2027 Factory Lead Time: 52 Weeks	Cut Tape £2.30 £1.73 £1.58 £1.37 View Reel £1.15 £1.30 £1.27 £1.24 £1.15 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: £3.40 5,799On Order New Product	Mfr. Part No. VNF1248FTR Mouser Part No 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	5,799On Order	Cut Tape £3.40 £2.62 £2.37 £2.15 £2.04 Reel £1.85 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 Advanced high power factor flyback controller, valley locking, max pwr control HVLED101TR STMicroelectronics 1: £1.48 2,491On Order	Mfr. Part No. HVLED101TR Mouser Part No 511-HVLED101TR	STMicroelectronics	Switching Controllers Advanced high power factor flyback controller, valley locking, max pwr control Learn More about STMicroelectronics stm hvled101 controllers	Datasheet	2,491On Order	Cut Tape £1.48 £1.09 £0.995 £0.882 View Reel £0.748 £0.834 £0.803 £0.748 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		1 Output								SMD/SMT	SOP-14		Reel, Cut Tape, MouseReel
Switching Controllers MultiMode Controller for SMPS L6566BTR STMicroelectronics 1: £1.52 2,499Expected 23/04/2027	Mfr. Part No. L6566BTR Mouser Part No 511-L6566BTR	STMicroelectronics	Switching Controllers MultiMode Controller for SMPS	Datasheet	2,499Expected 23/04/2027	Cut Tape £1.52 £1.21 £1.04 £0.934 View Reel £0.796 £0.882 £0.849 £0.841 £0.796 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: £1.69 4,998Expected 29/01/2027	Mfr. Part No. L6599ADTR Mouser Part No 511-L6599ADTR	STMicroelectronics	Switching Controllers Hi-Volt resonant controller	Datasheet	4,998Expected 29/01/2027	Cut Tape £1.69 £1.29 £1.20 £1.09 View Reel £0.934 £1.03 £0.995 £0.934 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 Mode w/Sync SG2525AP STMicroelectronics 1: £3.30 1,973Expected 19/10/2027	Mfr. Part No. SG2525AP Mouser Part No 511-SG2525AP	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	1,973Expected 19/10/2027	£3.30 £2.50 £2.23 £2.08 View £1.97 £1.94 £1.89 £1.70 £1.68	Min.: 1 Mult.: 1	Push-Pull	2 Output	100 Hz to 400 kHz	49 %		5.1 V	500 mA	- 25 C	+ 85 C	SMD/SMT	SOIC-16		Tube
Switching Controllers Voltage/Current Cont TSM108IDT STMicroelectronics 1: £1.34 7,500Expected 06/08/2027	Mfr. Part No. TSM108IDT Mouser Part No 511-TSM108IDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	7,500Expected 06/08/2027	Cut Tape £1.34 £0.978 £0.882 £0.788 View Reel £0.668 £0.739 £0.711 £0.705 £0.668 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: £0.63 17,500On Order	Mfr. Part No. UC2845BD1013TR Mouser Part No 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. No: UC2845BD1013TR Stock: 0 On Order: 5,000 Expected 02/11/2026 5,000 Expected 15/01/2027 7,500 Expected 30/04/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.63 £0.444 £0.40 £0.349 View Reel £0.287 £0.325 £0.311 £0.299 £0.287 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: £0.398 17,500On Order	Mfr. Part No. UC3843BD1013TR Mouser Part No 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. No: UC3843BD1013TR Stock: 0 On Order: 5,000 Expected 09/04/2027 12,500 Expected 09/07/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.398 £0.291 £0.26 £0.226 View Reel £0.176 £0.21 £0.20 £0.191 £0.176 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: £0.398 7,500On Order	Mfr. Part No. UC3845BD1013TR Mouser Part No 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. No: UC3845BD1013TR Stock: 0 On Order: 2,500 Expected 05/03/2027 5,000 Expected 12/03/2027 Factory Lead Time: 52 Weeks	Cut Tape £0.398 £0.283 £0.253 £0.22 View Reel £0.178 £0.204 £0.195 £0.187 £0.178 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