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onsemi 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	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Qualification	Packaging
Switching Controllers 650V Integrated Power Switch w Error Amp and no bias winding for 9Watt FSL336LRN onsemi 1: $1.52 15,977In Stock	Mfr. Part No. FSL336LRN Mouser Part No 512-FSL336LRN	onsemi	Switching Controllers 650V Integrated Power Switch w Error Amp and no bias winding for 9Watt Learn More about onsemi Fairchild Industrial Power Ics	Datasheet	15,977In Stock	$1.52 $1.20 $1.10 $1.03 View $0.983 $0.957 $0.932 $0.892 $0.861	Min.: 1 Mult.: 1	Buck, Buck-Boost	1 Output	50 kHz		650 V	1.8 A	- 40 C	+ 125 C	Through Hole	DIP-7		Tube
Switching Controllers HIGH PERF CURRENT MODE RESONANT CONTROLLER WITH INTEGRATED HV DRIVERS NCP13994AADR2G onsemi 1: $2.04 1,885In Stock	Mfr. Part No. NCP13994AADR2G Mouser Part No 863-NCP13994AADR2G	onsemi	Switching Controllers HIGH PERF CURRENT MODE RESONANT CONTROLLER WITH INTEGRATED HV DRIVERS Learn More about onsemi ncp13994 controller	Datasheet	1,885In Stock	Cut Tape $2.04 $1.52 $1.37 $1.22 View Reel $0.999 $1.15 $1.11 $1.00 $0.999	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	20 kHz to 750 kHz	50 %			- 50 C	+ 150 C	SMD/SMT	SOIC-16		Reel, Cut Tape
Switching Controllers WIDE VIN 6A 70V BUCK FAN65004B onsemi 1: $5.82 10,141In Stock	Mfr. Part No. FAN65004B Mouser Part No 863-FAN65004B	onsemi	Switching Controllers WIDE VIN 6A 70V BUCK Learn More about onsemi fan6500x controllers	Datasheet	10,141In Stock	Cut Tape $5.82 $4.61 $4.28 $3.92 View Reel $3.44 $3.74 $3.70 $3.68 $3.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	2 Output	100 kHz to 1 MHz	50 %	5 V	6 A	- 40 C	+ 125 C	SMD/SMT	PQFN-35		Reel, Cut Tape, MouseReel
Switching Controllers HIGH PERF CURRENT MO DE RE NCP13992ACDR2G onsemi 1: $1.83 16,451In Stock	Mfr. Part No. NCP13992ACDR2G Mouser Part No 863-NCP13992ACDR2G	onsemi	Switching Controllers HIGH PERF CURRENT MO DE RE Learn More about onsemi ncp13992 converter	Datasheet	16,451In Stock	Cut Tape $1.83 $1.48 $1.28 $1.16 View Reel $0.992 $1.10 $1.07 $1.04 $0.992 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Half Bridge		20 kHz to 750 kHz			1 A	- 40 C	+ 125 C	SMD/SMT	SOIC-16		Reel, Cut Tape, MouseReel
Switching Controllers CM PWM CONTROLLER NCP1252DDR2G onsemi 1: $0.811 53,699In Stock	Mfr. Part No. NCP1252DDR2G Mouser Part No 863-NCP1252DDR2G	onsemi	Switching Controllers CM PWM CONTROLLER	Datasheet	53,699In Stock	Cut Tape $0.811 $0.579 $0.526 $0.471 Reel $0.40 View $0.448 $0.435 $0.422 $0.392 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback, Forward	1 Output	500 kHz	47.5 %	12 V	800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCH NCP4305DMNTWG onsemi 1: $1.28 6,427In Stock 8,000Expected 2026/09/25	Mfr. Part No. NCP4305DMNTWG Mouser Part No 863-NCP4305DMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH Learn More about onsemi on semi usb type c	Datasheet	6,427In Stock 8,000Expected 2026/09/25	Cut Tape $1.28 $0.928 $0.84 $0.743 View Reel $0.594 $0.697 $0.668 $0.656 $0.594 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Flyback, Forward, Half Bridge	1 Output	1 MHz		9.5 V	8 A	- 40 C	+ 125 C	SMD/SMT	DFN-8		Reel, Cut Tape, MouseReel
Switching Controllers HI PERF RESET PWM CONTLR NCP1562ADBR2G onsemi 1: $2.51 2,467In Stock	Mfr. Part No. NCP1562ADBR2G Mouser Part No 863-NCP1562ADBR2G	onsemi	Switching Controllers HI PERF RESET PWM CONTLR	Datasheet	2,467In Stock	Cut Tape $2.51 $1.87 $1.70 $1.54 View Reel $1.26 $1.44 $1.40 $1.30 $1.26 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback, Forward	2 Output	1 MHz	85 %	20 V	1 A, 2 A	- 40 C	+ 125 C	SMD/SMT	TSSOP-16		Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES NCP4305DMTTWG onsemi 1: $1.20 5,579In Stock	Mfr. Part No. NCP4305DMTTWG Mouser Part No 863-NCP4305DMTTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCHRONOUS RECTIFICATION DRIVER FOR HIGH EFFICIENCY SMPS TOPOLOGIES Learn More about onsemi on semi usb type c	Datasheet	5,579In Stock	Cut Tape $1.20 $0.869 $0.787 $0.695 View Reel $0.533 $0.652 $0.626 $0.57 $0.533 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	Flyback, Forward, Half Bridge	1 Output	1 MHz		9.5 V	8 A	- 40 C	+ 125 C	SMD/SMT	WDFN-8		Reel, Cut Tape, MouseReel
Switching Controllers CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS NCV30161MNWTXG onsemi 1: $1.52 2,925In Stock	Mfr. Part No. NCV30161MNWTXG Mouser Part No 863-NCV30161MNWTXG	onsemi	Switching Controllers CONSTANT-CURRENT BUCK REGULATOR FOR DRIVING HIGH POWER LEDS Learn More about onsemi energy storage solutions	Datasheet	2,925In Stock	Cut Tape $1.52 $1.12 $1.01 $0.896 Reel $0.726 View $0.841 $0.808 $0.751 $0.697 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Buck	1 Output	2.4 MHz	100 %	1.36 V		- 40 C	+ 125 C	SMD/SMT	DFNW-10		Reel, Cut Tape, MouseReel
Switching Controllers SR Controller IC FAN6204AMX onsemi 1: $1.06 13,479In Stock	Mfr. Part No. FAN6204AMX Mouser Part No 512-FAN6204AMX	onsemi	Switching Controllers SR Controller IC	Datasheet	13,479In Stock	Cut Tape $1.06 $0.762 $0.688 $0.607 View Reel $0.504 $0.568 $0.545 $0.53 $0.504 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback, Forward	1 Output	65 kHz		12 V	50 mA	- 40 C	+ 105 C	SMD/SMT	SOP-8		Reel, Cut Tape, MouseReel
Switching Controllers Advanced Synchronous Rectifier Controller for LLC Resonant Converter FAN6248HCMX onsemi 1: $1.22 2,975In Stock	Mfr. Part No. FAN6248HCMX Mouser Part No 863-FAN6248HCMX	onsemi	Switching Controllers Advanced Synchronous Rectifier Controller for LLC Resonant Converter Learn More about onsemi fan6248 controllers	Datasheet	2,975In Stock	Cut Tape $1.22 $0.884 $0.80 $0.707 View Reel $0.566 $0.663 $0.636 $0.58 $0.566 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Inverting	2 Output	25 kHz to 700 kHz		10.5 V	1.4 A	- 40 C	+ 125 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers High Volt Switcher Low Pwr SMPS NCP10672BD100R2G onsemi 1: $1.27 2,500In Stock 2,500On Order	Mfr. Part No. NCP10672BD100R2G Mouser Part No 863-NCP10672BD100R2G	onsemi	Switching Controllers High Volt Switcher Low Pwr SMPS	Datasheet	2,500In Stock 2,500On Order	Cut Tape $1.27 $0.918 $0.832 $0.734 Reel $0.568 View $0.688 $0.661 $0.583 $0.563 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck, Flyback	1 Output	100 kHz	72 %	9 V	8 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel
Switching Controllers SECONDARY SIDE SYNCH RONOU NCP4306AADZZZAMNTWG onsemi 1: $1.04 6,594In Stock	Mfr. Part No. NCP4306AADZZZAMNTWG Mouser Part No 863-4306AADZZZAMNTWG	onsemi	Switching Controllers SECONDARY SIDE SYNCH RONOU Learn More about onsemi ncp4306 drivers	Datasheet	6,594In Stock	Cut Tape $1.04 $0.693 $0.638 $0.579 View Reel $0.521 $0.55 $0.533 $0.523 $0.522 $0.521 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Flyback, Forward, Half Bridge	1 Output	1 MHz		10 V	7 A	- 40 C	+ 125 C	SMD/SMT	DFN-8		Reel, Cut Tape, MouseReel
Switching Controllers 2 SW-FORWARD PWM CONTROLLER WITH INTERNAL 600 V GATE DRIVER FOR LIGHTING NCL30125B2DR2G onsemi 1: $1.66 2,427In Stock	Mfr. Part No. NCL30125B2DR2G Mouser Part No 863-NCL30125B2DR2G	onsemi	Switching Controllers 2 SW-FORWARD PWM CONTROLLER WITH INTERNAL 600 V GATE DRIVER FOR LIGHTING	Datasheet	2,427In Stock	Cut Tape $1.66 $1.22 $1.11 $0.983 Reel $0.776 View $0.926 $0.89 $0.829 $0.769	Min.: 1 Mult.: 1 : 2,500	Forward	1 Output	300 kHz	46 %	12.7 V	1.2 A	- 40 C	+ 125 C	SMD/SMT			Reel, Cut Tape
Switching Controllers Fixed Freq (I) Mode For FlyBk Conv NCP1234BD100R2G onsemi 1: $1.34 2,321In Stock	Mfr. Part No. NCP1234BD100R2G Mouser Part No 863-NCP1234BD100R2G	onsemi	Switching Controllers Fixed Freq (I) Mode For FlyBk Conv	Datasheet	2,321In Stock	Cut Tape $1.34 $0.972 $0.871 $0.78 Reel $0.615 View $0.733 $0.704 $0.643 $0.605 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	85 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7		Reel, Cut Tape, MouseReel
Switching Controllers BRWN AREC OCP OVP 100KHZ NCP1236BD100R2G onsemi 1: $0.861 7,242In Stock	Mfr. Part No. NCP1236BD100R2G Mouser Part No 863-NCP1236BD100R2G	onsemi	Switching Controllers BRWN AREC OCP OVP 100KHZ	Datasheet	7,242In Stock	Cut Tape $0.861 $0.615 $0.554 $0.487 Reel $0.378 View $0.454 $0.435 $0.408 $0.368 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	100 kHz	85 %	13.5 V	500 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-7		Reel, Cut Tape, MouseReel
Switching Controllers CURRENT MODE PWM CONTROLL NCP12700ADNR2G onsemi 1: $1.60 3,898In Stock	Mfr. Part No. NCP12700ADNR2G Mouser Part No 863-NCP12700ADNR2G	onsemi	Switching Controllers CURRENT MODE PWM CONTROLL Learn More about onsemi ncp12700 controllers	Datasheet	3,898In Stock	Cut Tape $1.60 $1.21 $1.06 $0.94 View Reel $0.743 $0.883 $0.863 $0.837 $0.743 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Flyback, Forward	1 Output	100 kHz to 1 MHz	84 %	12 V	2.8 A	- 40 C	+ 125 C	SMD/SMT	MSOP-10		Reel, Cut Tape, MouseReel
Switching Controllers AUTO START-STOP BOOST NCV887720D1R2G onsemi 1: $1.99 2,500In Stock	Mfr. Part No. NCV887720D1R2G Mouser Part No 863-NCV887720D1R2G	onsemi	Switching Controllers AUTO START-STOP BOOST	Datasheet	2,500In Stock	Cut Tape $1.99 $1.47 $1.34 $1.20 View Reel $0.919 $1.13 $1.09 $0.99 $0.919	Min.: 1 Mult.: 1 : 2,500										SOIC-8	AEC-Q100	Reel, Cut Tape
Switching Controllers 40kHz 200mA PWM w/48% Duty Cycle Max TL494CDR2G onsemi 1: $1.09 6,494In Stock	Mfr. Part No. TL494CDR2G Mouser Part No 863-TL494CDR2G	onsemi	Switching Controllers 40kHz 200mA PWM w/48% Duty Cycle Max	Datasheet	6,494In Stock	Cut Tape $1.09 $0.721 $0.628 $0.576 View Reel $0.499 $0.515 $0.505 $0.499 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	Push-Pull	2 Output	200 kHz	48 %	3.3 V	500 mA	0 C	+ 70 C	SMD/SMT	SOIC-16		Reel, Cut Tape, MouseReel
Switching Controllers 40kHz 200mA PWM w/48% Duty Cycle Max TL594CDR2G onsemi 1: $1.09 3,119In Stock	Mfr. Part No. TL594CDR2G Mouser Part No 863-TL594CDR2G	onsemi	Switching Controllers 40kHz 200mA PWM w/48% Duty Cycle Max	Datasheet	3,119In Stock	Cut Tape $1.09 $0.79 $0.712 $0.628 View Reel $0.494 $0.59 $0.565 $0.534 $0.494 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	Push-Pull	1 Output	40 kHz	48 %		500 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-16		Reel, Cut Tape, MouseReel
Switching Controllers HV QR FLYBACK CONTROLLER NCP1345Q02D1R2G onsemi 1: $1.45 2,325In Stock	Mfr. Part No. NCP1345Q02D1R2G Mouser Part No 863-NCP1345Q02D1R2G	onsemi	Switching Controllers HV QR FLYBACK CONTROLLER Learn More about onsemi ncp1345 controllers	Datasheet	2,325In Stock	Cut Tape $1.45 $1.06 $0.959 $0.85 View Reel $0.675 $0.799 $0.768 $0.705 $0.675	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	25 kHz		3.3 V to 21 V		- 40 C	+ 125 C	SMD/SMT	SOIC-9		Reel, Cut Tape
Switching Controllers HIGH PERF CURRENT MODE RESONANT NCP1399ACDR2G onsemi 1: $1.79 11,643In Stock	Mfr. Part No. NCP1399ACDR2G Mouser Part No 863-NCP1399ACDR2G	onsemi	Switching Controllers HIGH PERF CURRENT MODE RESONANT Learn More about onsemi on semiconductor ncp1399 controller	Datasheet	11,643In Stock	Cut Tape $1.79 $1.38 $1.27 $1.15 Reel $0.954 View $1.08 $1.02 $0.994 $0.948 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Half Bridge	1 Output	20 kHz to 750 kHz	50 %	6 V	1.2 mA	- 55 C	+ 150 C	SMD/SMT	SOIC-16-14		Reel, Cut Tape, MouseReel
Switching Controllers Automotive High-Voltage Switcher for low Power SMPS NCV1063 60kHz NCV1063AD060R2G onsemi 1: $1.80 2,458In Stock	Mfr. Part No. NCV1063AD060R2G Mouser Part No 863-NCV1063AD060R2G	onsemi	Switching Controllers Automotive High-Voltage Switcher for low Power SMPS NCV1063 60kHz	Datasheet	2,458In Stock	Cut Tape $1.80 $1.06 $0.975 $0.889 View Reel $0.844 $0.848 $0.846 $0.844 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Buck, Buck-Boost, Flyback	1 Output	60 kHz	72 %	9 V	780 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-16	AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers RESONANT MODE CONTRO NCV1397ADR2G onsemi 1: $1.98 2,631In Stock	Mfr. Part No. NCV1397ADR2G Mouser Part No 863-NCV1397ADR2G	onsemi	Switching Controllers RESONANT MODE CONTRO	Datasheet	2,631In Stock	Cut Tape $1.98 $1.47 $1.33 $1.20 Reel $0.969 View $1.13 $1.09 $1.01 $0.957 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Half Bridge	2 Output	500 kHz	52 %	300 mV	4 mA	- 40 C	+ 125 C	SMD/SMT		AEC-Q100	Reel, Cut Tape, MouseReel
Switching Controllers QUASI-RES CUR MODE CONTRL NCP1380CDR2G onsemi 1: $1.26 2,408In Stock	Mfr. Part No. NCP1380CDR2G Mouser Part No 863-NCP1380CDR2G	onsemi	Switching Controllers QUASI-RES CUR MODE CONTRL	Datasheet	2,408In Stock	Cut Tape $1.26 $0.911 $0.825 $0.729 Reel $0.571 View $0.683 $0.656 $0.599 $0.561 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	Flyback	1 Output	65 kHz		13 V	800 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8		Reel, Cut Tape, MouseReel