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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	Packaging
Switching Controllers Voltage Mode w/Sync SG3525AP013TR STMicroelectronics 1: $2.26 14,619In Stock	Mfr. Part # SG3525AP013TR Mouser Part # 511-SG3525AP013TR	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	14,619In Stock	Cut Tape $2.26 $1.68 $1.53 $1.37 Reel $1.09 View $1.29 $1.26 $1.21 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Push-Pull	2 Output	100 Hz to 500 kHz	49 %		5.1 V	500 mA	0 C	+ 70 C	SMD/SMT	SOIC-16	Reel, Cut Tape, MouseReel
Switching Controllers Multimode Controller SMPS 800V <3mA L6566BH STMicroelectronics 1: $4.17 3,291In Stock	Mfr. Part # L6566BH Mouser Part # 511-L6566BH	STMicroelectronics	Switching Controllers Multimode Controller SMPS 800V <3mA	Datasheet	3,291In Stock	$4.17 $3.02 $2.75 $2.63 View $2.49 $2.41 $2.34 $2.27	Min.: 1 Mult.: 1	Flyback	1 Output	300 kHz	75 %		5 V	800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-Narrow-16	Tube
Switching Controllers Prog Current Mode L5991D STMicroelectronics 1: $2.28 A tariff of 38% may be applied if shipping to the United States. 1,497In Stock	Mfr. Part # L5991D Mouser Part # 511-L5991D	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	1,497In Stock	$2.28 $1.90 $1.72 $1.60 View $1.52 $1.49 $1.41 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Boost, Flyback	1 Output	1 MHz	93 %		5.075 V	1.5 A	- 40 C	+ 150 C	SMD/SMT	SOIC-16	Tube
Switching Controllers PWM CONTROLLER ZVS HALF-BRIDGE L6591 STMicroelectronics 1: $6.20 675In Stock	Mfr. Part # L6591 Mouser Part # 511-L6591	STMicroelectronics	Switching Controllers PWM CONTROLLER ZVS HALF-BRIDGE	Datasheet	675In Stock	$6.20 $5.35 $4.91 $4.61 View $4.39 $4.26 $4.18 $4.15 Quote	Min.: 1 Mult.: 1	Half Bridge	1 Output	180 kHz	50 %		5 V	1 mA	- 40 C	+ 150 C	SMD/SMT	SO-16N	Tube
Switching Controllers 0.5mA Current Mode UC2844BD1 STMicroelectronics 1: $1.76 1,807In Stock 2,000On Order	Mfr. Part # UC2844BD1 Mouser Part # 511-UC2844BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,807In Stock 2,000On Order	$1.76 $1.32 $1.24 $0.999 View $0.954 $0.886 $0.865 $0.815 $0.813	Min.: 1 Mult.: 1	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	Tube
Switching Controllers Current-Mode Pri Cnt L6565N STMicroelectronics 1: $2.21 A tariff of 38% may be applied if shipping to the United States. 1,775In Stock	Mfr. Part # L6565N Mouser Part # 511-L6565N	STMicroelectronics	Switching Controllers Current-Mode Pri Cnt	Datasheet	1,775In Stock	$2.21 $1.64 $1.41 $1.34 View $1.26 $1.22 $1.17 $1.13 $1.10 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Flyback	1 Output	70 kHz			5.5 V	4.5 mA	- 40 C	+ 150 C	Through Hole	PDIP-8	Tube
Switching Controllers Ultra-extreme temperature range improved high volt resonant controller L6599AFD STMicroelectronics 1: $5.82 A tariff of 38% may be applied if shipping to the United States. 745In Stock	Mfr. Part # L6599AFD Mouser Part # 511-L6599AFD	STMicroelectronics	Switching Controllers Ultra-extreme temperature range improved high volt resonant controller	Datasheet	745In Stock	$5.82 $4.43 $3.96 $3.71 View $3.52 $3.41 $3.21 $3.13 Quote A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Half Bridge	1 Output	500 kHz	52 %		13.3 V	700 mA	- 50 C	+ 150 C	SMD/SMT	SOIC-16	Tube
Switching Controllers Voltage/Current Cont TSM101ACDT STMicroelectronics 1: $1.23 4,927In Stock	Mfr. Part # TSM101ACDT Mouser Part # 511-TSM101ACDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	4,927In Stock	Cut Tape $1.23 $0.881 $0.793 $0.698 View Reel $0.546 $0.652 $0.625 $0.605 $0.546 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz			1.24 V to 32 V	15 mA	- 20 C	+ 80 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
Switching Controllers 0.5mA Current Mode UC2844BN STMicroelectronics 1: $1.03 2,197In Stock	Mfr. Part # UC2844BN Mouser Part # 511-UC2844BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	2,197In Stock	$1.03 $0.768 $0.698 $0.666 View $0.641 $0.604 $0.603	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	Through Hole	PDIP-8	Tube
Switching Controllers 0.5mA Current Mode UC2845BN STMicroelectronics 1: $1.24 A tariff of 38% may be applied if shipping to the United States. 3,586In Stock	Mfr. Part # UC2845BN Mouser Part # 511-UC2845BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	3,586In Stock	$1.24 $0.898 $0.805 $0.723 View $0.703 $0.652 $0.63 $0.604 $0.598 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1	Boost, Flyback, Forward	1 Output	500 kHz	50 %		4.95 V to 5.05 V	1 A	- 40 C	+ 150 C	Through Hole	PDIP-8	Tube
Switching Controllers Prog Current Mode L5991AD13TR STMicroelectronics 1: $1.86 A tariff of 38% may be applied if shipping to the United States. 2,590In Stock	Mfr. Part # L5991AD13TR Mouser Part # 511-L5991AD13TR	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	2,590In Stock	Cut Tape $1.86 $1.50 $1.42 $1.32 View Reel $1.24 $1.27 $1.25 $1.24 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback	1 Output	1 MHz	93 %		5.075 V	1.5 A	- 40 C	+ 150 C	SMD/SMT	SOIC-16	Reel, Cut Tape, MouseReel
Switching Controllers Prog Current Mode L5991D013TR STMicroelectronics 1: $2.58 A tariff of 38% may be applied if shipping to the United States. 1,138In Stock	Mfr. Part # L5991D013TR Mouser Part # 511-L5991D013TR	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	1,138In Stock	Cut Tape $2.58 $1.92 $1.75 $1.57 Reel $1.38 View $1.49 $1.44 $1.38 $1.37 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,500	Boost, Flyback	1 Output	1 MHz	93 %		5.075 V	1.5 A	- 40 C	+ 150 C	SMD/SMT	SOIC-16	Reel, Cut Tape, MouseReel
Switching Controllers Current-Mode Pri Cnt L6565D STMicroelectronics 1: $1.82 3,068In Stock	Mfr. Part # L6565D Mouser Part # 511-L6565D	STMicroelectronics	Switching Controllers Current-Mode Pri Cnt	Datasheet	3,068In Stock	$1.82 $1.34 $1.22 $1.09 View $1.04 $0.977 $0.954 $0.913	Min.: 1 Mult.: 1	Flyback	1 Output	70 kHz			5.5 V	4.5 mA	- 40 C	+ 150 C	SMD/SMT	SOIC-8	Tube
Switching Controllers Hi-Volt Resonant Controller L6599AD STMicroelectronics 1: $4.69 A tariff of 38% may be applied if shipping to the United States. 3,429In Stock	Mfr. Part # L6599AD Mouser Part # 511-L6599AD	STMicroelectronics	Switching Controllers Hi-Volt Resonant Controller	Datasheet	3,429In Stock	$4.69 $3.53 $3.17 $2.93 View $2.78 $2.76 $2.40 $2.33 A tariff of 38% may be applied if shipping to the United States.	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 Voltage/Current Cont TSM101AIDT STMicroelectronics 1: $1.11 52In Stock 20,000On Order	Mfr. Part # TSM101AIDT Mouser Part # 511-TSM101AIDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	52In Stock 20,000On Order On Order Ship Dates Mfr. #: TSM101AIDT Stock: 52 Can Ship Immediately On Order: 2,500 Expected 11/5/2026 17,500 Expected 11/6/2026 Factory Lead-Time: 52 Weeks	Cut Tape $1.11 $0.797 $0.719 $0.635 View Reel $0.518 $0.594 $0.57 $0.555 $0.518 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz			1.24 V to 32 V	20 mA	- 40 C	+ 105 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
Switching Controllers Voltage/Current Cont TSM101CD STMicroelectronics 1: $0.86 1,178In Stock	Mfr. Part # TSM101CD Mouser Part # 511-TSM101CD	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	1,178In Stock	$0.86 $0.603 $0.541 $0.472 View $0.44 $0.42 $0.404 $0.386 $0.383	Min.: 1 Mult.: 1	Flyback	1 Output	100 kHz			1.24 V to 32 V	15 mA	- 20 C	+ 80 C	SMD/SMT	SOIC-8	Tube
Switching Controllers 0.5mA Current Mode UC2842BN STMicroelectronics 1: $1.11 A tariff of 38% may be applied if shipping to the United States. 1,585In Stock	Mfr. Part # UC2842BN Mouser Part # 511-UC2842BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,585In Stock	$1.11 $0.801 $0.678 $0.639 View $0.598 $0.574 $0.554 $0.532 $0.519 A tariff of 38% may be applied if shipping to the United States.	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	Through Hole	PDIP-8	Tube
Switching Controllers 0.5mA Current Mode UC2843BD1013TR STMicroelectronics 1: $0.67 2,420In Stock 2,500Expected 12/11/2026	Mfr. Part # UC2843BD1013TR Mouser Part # 511-UC2843BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	2,420In Stock 2,500Expected 12/11/2026	Cut Tape $0.67 $0.528 $0.493 $0.456 Reel $0.37 View $0.436 $0.405 $0.39 $0.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
Switching Controllers HV converter embedding advanced quasi-resonant controller and 650V GAN HEMT VIPERGAN50TR STMicroelectronics 1: $3.29 3,823In Stock	Mfr. Part # VIPERGAN50TR Mouser Part # 511-VIPERGAN50TR	STMicroelectronics	Switching Controllers HV converter embedding advanced quasi-resonant controller and 650V GAN HEMT Learn More about STMicroelectronics stm vipergan50 converter	Datasheet	3,823In Stock	Cut Tape $3.29 $2.60 $2.28 $2.05 View Reel $1.76 $1.94 $1.88 $1.82 $1.79 $1.76 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		1 Output						- 40 C	+ 150 C	SMD/SMT	QFN-6	Reel, Cut Tape, MouseReel
Switching Controllers Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT VIPERGAN65TR STMicroelectronics 1: $3.84 1,869In Stock NRND	Mfr. Part # VIPERGAN65TR Mouser Part # 511-VIPERGAN65TR NRND	STMicroelectronics	Switching Controllers Advanced quasi-resonant offline high voltage converter with E-mode GaN HEMT Learn More about STMicroelectronics stm vipergan65 converter	Datasheet	1,869In Stock	Cut Tape $3.84 $2.86 $2.65 $2.37 View Reel $1.99 $2.24 $2.19 $2.09 $2.00 $1.99 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 Active clamp flyback controller STACF01ATR STMicroelectronics 1: $1.85 3,990In Stock New Product	Mfr. Part # STACF01ATR Mouser Part # 511-STACF01ATR New Product	STMicroelectronics	Switching Controllers Active clamp flyback controller Learn More about STMicroelectronics st stacf01 active clamp feedback controller	Datasheet	3,990In Stock	Cut Tape $1.85 $1.38 $1.26 $1.13 Reel $0.991 View $1.09 $1.05 $0.942 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck-Boost, Flyback		500 kHz		5.25 V to 6.64 V			- 40 C	+ 150 C	SMD/SMT	QFN-23	Reel, Cut Tape, MouseReel
Switching Controllers No Rsense dual StepDwn Controller PM6680TR STMicroelectronics 1: $3.94 1,342In Stock	Mfr. Part # PM6680TR Mouser Part # 511-PM6680TR	STMicroelectronics	Switching Controllers No Rsense dual StepDwn Controller	Datasheet	1,342In Stock	Cut Tape $3.94 $2.94 $2.69 $2.41 Reel $1.90 View $2.28 $2.23 $2.12 $1.88 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	2 Output	33 kHz			5 V, 900 mV to 5.5 V, 900 mV to 3.3 V	330 mA	- 10 C	+ 125 C	SMD/SMT	VFQFPN	Reel, Cut Tape, MouseReel
Switching Controllers Digital controller for STC/HSTC topologies STNRG328S STMicroelectronics 1: $6.05 A tariff of 38% may be applied if shipping to the United States. 490In Stock	Mfr. Part # STNRG328S Mouser Part # 511-STNRG328S	STMicroelectronics	Switching Controllers Digital controller for STC/HSTC topologies Learn More about STMicroelectronics stm stnrg328s controller	Datasheet	490In Stock	$6.05 $4.61 $4.25 $3.85 View $3.66 $3.54 $3.49 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1		1 Output	140 kHz to 300 kHz	50 %		40 V to 60 V	5 mA	- 40 C	+ 105 C	SMD/SMT	QFPN-32	Tray
Switching Controllers Step-down Controller w/adj. voltages-dua PM6686TR STMicroelectronics 1: $3.10 3,043In Stock	Mfr. Part # PM6686TR Mouser Part # 511-PM6686TR	STMicroelectronics	Switching Controllers Step-down Controller w/adj. voltages-dua	Datasheet	3,043In Stock	Cut Tape $3.10 $2.46 $2.30 $2.12 View Reel $1.94 $2.03 $2.02 $2.00 $1.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	2 Output	33 kHz			5.5 V	100 mA	- 40 C	+ 85 C	SMD/SMT	QFPN-32	Reel, Cut Tape, MouseReel
Switching Controllers SMART CONTROLLER L6668TR STMicroelectronics 1: $2.38 2,387In Stock	Mfr. Part # L6668TR Mouser Part # 511-L6668TR	STMicroelectronics	Switching Controllers SMART CONTROLLER	Datasheet	2,387In Stock	Cut Tape $2.38 $1.77 $1.62 $1.45 Reel $1.23 View $1.37 $1.33 $1.28 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	75 %		5 V	800 mA	- 25 C	+ 150 C	SMD/SMT		Reel, Cut Tape, MouseReel