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Switching Controllers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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: HK$18.58 14,615In Stock	Mfr. Part No. SG3525AP013TR Mouser Part No 511-SG3525AP013TR	STMicroelectronics	Switching Controllers Voltage Mode w/Sync	Datasheet	14,615In Stock	Cut Tape HK$18.58 HK$13.81 HK$12.58 HK$11.26 Reel HK$8.96 View HK$10.60 HK$10.36 HK$9.95 HK$8.71 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 Prog Current Mode L5991D STMicroelectronics 1: HK$19.65 1,529In Stock	Mfr. Part No. L5991D Mouser Part No 511-L5991D	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	1,529In Stock	HK$19.65 HK$15.78 HK$14.47 HK$13.23 View HK$12.74 HK$12.41 HK$11.67	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: HK$50.96 675In Stock	Mfr. Part No. L6591 Mouser Part No 511-L6591	STMicroelectronics	Switching Controllers PWM CONTROLLER ZVS HALF-BRIDGE	Datasheet	675In Stock	HK$50.96 HK$43.98 HK$40.36 HK$37.89 View HK$36.09 HK$35.02 HK$34.36 HK$34.11 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: HK$14.96 1,775In Stock 2,000On Order	Mfr. Part No. UC2844BD1 Mouser Part No 511-UC2844BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,775In Stock 2,000On Order	HK$14.96 HK$11.10 HK$10.19 HK$8.80 View HK$8.38 HK$7.87 HK$7.72 HK$7.32 HK$7.19	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 Multimode Controller SMPS 800V <3mA L6566BH STMicroelectronics 1: HK$34.28 3,281In Stock	Mfr. Part No. L6566BH Mouser Part No 511-L6566BH	STMicroelectronics	Switching Controllers Multimode Controller SMPS 800V <3mA	Datasheet	3,281In Stock	HK$34.28 HK$24.82 HK$22.61 HK$21.62 View HK$20.47 HK$19.81 HK$18.17 HK$17.92	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 Current-Mode Pri Cnt L6565N STMicroelectronics 1: HK$18.17 1,765In Stock	Mfr. Part No. L6565N Mouser Part No 511-L6565N	STMicroelectronics	Switching Controllers Current-Mode Pri Cnt	Datasheet	1,765In Stock	HK$18.17 HK$13.48 HK$11.59 HK$11.01 View HK$10.36 HK$10.03 HK$9.62 HK$9.29 HK$9.04	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: HK$47.84 745In Stock	Mfr. Part No. L6599AFD Mouser Part No 511-L6599AFD	STMicroelectronics	Switching Controllers Ultra-extreme temperature range improved high volt resonant controller	Datasheet	745In Stock	HK$47.84 HK$36.41 HK$32.55 HK$30.50 View HK$28.93 HK$28.03 HK$26.39 HK$25.73 Quote	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: HK$10.11 4,927In Stock	Mfr. Part No. TSM101ACDT Mouser Part No 511-TSM101ACDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	4,927In Stock	Cut Tape HK$10.11 HK$7.24 HK$6.52 HK$5.74 View Reel HK$4.49 HK$5.36 HK$5.14 HK$4.97 HK$4.49 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 Sgl Output 13.3 V 200 KHz SOIC-16 Nrw L6599ATD STMicroelectronics 1: HK$50.22 893In Stock	Mfr. Part No. L6599ATD Mouser Part No 511-L6599ATD	STMicroelectronics	Switching Controllers Sgl Output 13.3 V 200 KHz SOIC-16 Nrw	Datasheet	893In Stock	HK$50.22 HK$36.83 HK$34.03 HK$31.73 View HK$30.25 HK$29.59 HK$29.51 HK$29.10	Min.: 1 Mult.: 1	Half Bridge	1 Output	500 kHz	52 %		13.3 V	700 mA	- 40 C	+ 150 C	SMD/SMT	SOIC-Narrow-16	Tube
Switching Controllers Prog Current Mode L5991AD13TR STMicroelectronics 1: HK$15.29 2,590In Stock	Mfr. Part No. L5991AD13TR Mouser Part No 511-L5991AD13TR	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	2,590In Stock	Cut Tape HK$15.29 HK$12.33 HK$11.67 HK$10.85 View Reel HK$10.19 HK$10.44 HK$10.28 HK$10.19 MouseReel Available	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: HK$21.21 1,138In Stock	Mfr. Part No. L5991D013TR Mouser Part No 511-L5991D013TR	STMicroelectronics	Switching Controllers Prog Current Mode	Datasheet	1,138In Stock	Cut Tape HK$21.21 HK$15.78 HK$14.39 HK$12.91 View Reel HK$11.26 HK$12.25 HK$11.84 HK$11.34 HK$11.26 MouseReel Available	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 Hi-Volt Resonant Controller L6599AD STMicroelectronics 1: HK$39.37 3,451In Stock	Mfr. Part No. L6599AD Mouser Part No 511-L6599AD	STMicroelectronics	Switching Controllers Hi-Volt Resonant Controller	Datasheet	3,451In Stock	HK$39.37 HK$29.67 HK$26.72 HK$24.58 View HK$23.34 HK$23.18 Quote	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 0.5mA Current Mode UC2844BN STMicroelectronics 1: HK$8.47 2,197In Stock	Mfr. Part No. UC2844BN Mouser Part No 511-UC2844BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	2,197In Stock	HK$8.47 HK$6.31 HK$5.74 HK$5.47 View HK$5.27 HK$4.96	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: HK$10.36 3,536In Stock	Mfr. Part No. UC2845BN Mouser Part No 511-UC2845BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	3,536In Stock	HK$10.36 HK$7.50 HK$6.62 HK$6.03 View HK$5.78 HK$5.43 HK$5.24 HK$4.82	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 Voltage/Current Cont TSM101CD STMicroelectronics 1: HK$7.07 1,174In Stock	Mfr. Part No. TSM101CD Mouser Part No 511-TSM101CD	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	1,174In Stock	HK$7.07 HK$4.96 HK$4.45 HK$3.88 View HK$3.62 HK$3.45 HK$3.32 HK$3.17 HK$3.15	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 Voltage/Current Cont TSM101AIDT STMicroelectronics 1: HK$9.12 52In Stock 20,000Expected 5/11/2026	Mfr. Part No. TSM101AIDT Mouser Part No 511-TSM101AIDT	STMicroelectronics	Switching Controllers Voltage/Current Cont	Datasheet	52In Stock 20,000Expected 5/11/2026	Cut Tape HK$9.12 HK$6.55 HK$5.91 HK$5.22 View Reel HK$4.26 HK$4.88 HK$4.69 HK$4.56 HK$4.26 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 0.5mA Current Mode UC2842BN STMicroelectronics 1: HK$9.12 1,585In Stock	Mfr. Part No. UC2842BN Mouser Part No 511-UC2842BN	STMicroelectronics	Switching Controllers 0.5mA Current Mode Learn More about STMicroelectronics stm standard products	Datasheet	1,585In Stock	HK$9.12 HK$6.58 HK$5.57 HK$5.25 View HK$4.92 HK$4.72 HK$4.55 HK$4.24 HK$4.16	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 HV converter embedding advanced quasi-resonant controller and 650V GAN HEMT VIPERGAN50TR STMicroelectronics 1: HK$27.04 3,823In Stock	Mfr. Part No. VIPERGAN50TR Mouser Part No 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 HK$27.04 HK$21.37 HK$18.74 HK$16.85 View Reel HK$14.47 HK$15.95 HK$15.45 HK$14.96 HK$14.71 HK$14.47 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: HK$31.56 1,869In Stock NRND	Mfr. Part No. VIPERGAN65TR Mouser Part No 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 HK$31.56 HK$23.51 HK$21.78 HK$19.48 View Reel HK$16.36 HK$18.41 HK$18.00 HK$17.18 HK$16.44 HK$16.36 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: HK$15.21 3,990In Stock New Product	Mfr. Part No. STACF01ATR Mouser Part No 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 HK$15.21 HK$11.34 HK$10.36 HK$9.29 Reel HK$8.15 View HK$8.96 HK$8.63 HK$7.73 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 Step-down Controller w/adj. voltages-dua PM6686TR STMicroelectronics 1: HK$29.76 3,043In Stock	Mfr. Part No. PM6686TR Mouser Part No 511-PM6686TR	STMicroelectronics	Switching Controllers Step-down Controller w/adj. voltages-dua	Datasheet	3,043In Stock	Cut Tape HK$29.76 HK$24.17 HK$22.19 HK$20.06 View Reel HK$17.43 HK$18.99 HK$18.82 HK$17.92 HK$17.43 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 Digital controller for STC/HSTC topologies STNRG328S STMicroelectronics Restricted Availability	Mfr. Part No. STNRG328S Mouser Part No 511-STNRG328S	STMicroelectronics	Switching Controllers Digital controller for STC/HSTC topologies Learn More about STMicroelectronics stm stnrg328s controller Mouser does not sell this product in your region.	Datasheet			Restricted Availability		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 SMART CONTROLLER L6668TR STMicroelectronics 1: HK$19.56 2,387In Stock	Mfr. Part No. L6668TR Mouser Part No 511-L6668TR	STMicroelectronics	Switching Controllers SMART CONTROLLER	Datasheet	2,387In Stock	Cut Tape HK$19.56 HK$14.55 HK$13.32 HK$11.92 Reel HK$10.11 View HK$11.26 HK$10.93 HK$10.52 HK$9.70 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
Switching Controllers Synchronous rectifier controller non-complementary active clamp flyback convert SRK1004ETR STMicroelectronics 1: HK$7.97 972In Stock New Product	Mfr. Part No. SRK1004ETR Mouser Part No 511-SRK1004ETR New Product	STMicroelectronics	Switching Controllers Synchronous rectifier controller non-complementary active clamp flyback convert Learn More about STMicroelectronics st srk1004 synchronous rectifier controllers	Datasheet	972In Stock	Cut Tape HK$7.97 HK$5.70 HK$5.15 HK$4.53 Reel HK$3.72 View HK$4.23 HK$4.05 HK$3.93 HK$3.63 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Flyback	1 Output	500 kHz				25 mA	- 40 C	+ 125 C	SMD/SMT	DFN-6	Reel, Cut Tape, MouseReel
Switching Controllers Synchronous rectifier controller non-complementary active clamp flyback convert SRK1004FTR STMicroelectronics 1: HK$7.97 797In Stock New Product	Mfr. Part No. SRK1004FTR Mouser Part No 511-SRK1004FTR New Product	STMicroelectronics	Switching Controllers Synchronous rectifier controller non-complementary active clamp flyback convert Learn More about STMicroelectronics st srk1004 synchronous rectifier controllers	Datasheet	797In Stock	Cut Tape HK$7.97 HK$5.70 HK$5.15 HK$4.53 Reel HK$3.72 View HK$4.23 HK$4.05 HK$3.93 HK$3.63 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Flyback	1 Output	500 kHz				25 mA	- 40 C	+ 125 C	SMD/SMT	DFN-6	Reel, Cut Tape, MouseReel