PWM Controllers | e絡盟 Hong Kong

element14 offers an exclusive range of PWM controllers. Engineers can choose one based on switching efficiency, input voltage range, voltage topologies, duty cycles, maximum current capacity, and thermal performance.

Pulse-width modulation, or PWM, is a modulation technique that changes the width of the pulse signal in electrical systems to regulate the average power supplied to a load. PWM is particularly helpful for effective output regulation of audio amplifiers, the motor speed, and the brightness of light. They are frequently used in specialized PWM controller integrated circuits (ICs) and microcontrollers. Modern PWM controllers offer increasingly sophisticated power management solutions that meet the growing demand for energy-efficient, compact electronic systems.

Key applications include voltage regulation in computer power supplies, LED dimming, motor speed control, and battery charging systems. Advanced PWM controllers incorporate adaptive switching frequencies, programmable output levels, and integrated protection mechanisms against overcurrent, overtemperature, and short-circuit conditions.

Manufacturer Part No	Order Code	Manufacturer / Description	Price For	Price	Input Voltage Min	Power Supply Controller Type	Input Voltage Max	No. of Channels	Control Mode	Supply Voltage Min	Supply Voltage Max	IC Case / Package	No. of Pins	IC Mounting	Switching Frequency Typ	Switching Frequency Min	Switching Frequency Max	Duty Cycle Min	Duty Cycle Max	Topology	Operating Temperature Min	Operating Temperature Max	Product Range	Qualification

SG3525ANG	1652397 Data Sheet RoHS	ONSEMI PWM Control Circuit 8 V to 35 V supply 400 kHz 18 V/400 mA out DIP-16	Each	1+HK$14.430 10+HK$9.480 50+HK$9.020 100+HK$8.560 250+HK$8.390 More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	8V	35V	DIP	16Pins	Through Hole	-	100kHz	400kHz	0%	49%	Half-Bridge	0°C	70°C	-	-
UC3842BN	9882529 Data Sheet RoHS	STMICROELECTRONICS Current Mode PWM Controller 12V-25V supply 250kHz 13.5V/200mA out DIP-8	Each	1+HK$7.390 10+HK$4.640 100+HK$3.780 500+HK$3.610 1000+HK$3.400 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	DIP	8Pins	Through Hole	52kHz	-	-	0%	100%	Boost, Flyback	-25°C	85°C	UC2842B/3B/4B/5B; UC3842B/3B/4B/5B	-
UC3843BNG	2382335 Data Sheet RoHS	ONSEMI PWM Controller Current Mode 30V-12V supply 52 kHz 13.5V/1A out DIP-8	Each	1+HK$10.150 10+HK$5.990 100+HK$5.490 500+HK$5.390 1000+HK$5.280 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	30V	DIP	8Pins	Through Hole	52kHz	-	-	0%	96%	Boost, Flyback	0°C	70°C	-	-
UC2844BD1R2G	2318542 Data Sheet RoHS	ONSEMI PWM Controller 25V-12V supply 250 kHz 13.4V/12mA out SOIC-8	Each	1+HK$5.630 10+HK$3.560 100+HK$3.120 500+HK$3.060 1000+HK$3.000 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback, Inverting	-25°C	85°C	-	-
UC3845BN	9882928 Data Sheet RoHS	STMICROELECTRONICS PWM Controller 25V-12V supply 250 kHz 5V/200mA out DIP-8	Each	1+HK$10.330 10+HK$6.680 100+HK$5.480 500+HK$5.260 1000+HK$3.920 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	DIP	8Pins	Through Hole	52kHz	-	-	0%	50%	Boost, Flyback	-40°C	150°C	-	-
UC3843BD1G	2102563 Data Sheet RoHS	ONSEMI Current Mode Controller 25V-12V supply 500 kHz 13.4V/200mA out SOIC-8	Each	1+HK$5.630 10+HK$2.740 100+HK$2.690 500+HK$2.640 1000+HK$2.590 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	0°C	70°C	-	-
UC2843BD1	9882502 Data Sheet RoHS	STMICROELECTRONICS Current Mode PWM 30V supply 500 kHz 5V/1A out SOIC-8	Each	1+HK$15.020 10+HK$10.070 100+HK$8.310 500+HK$8.080 1000+HK$7.020 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	-	30V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	100%	Boost, Flyback	-40°C	150°C	-	-
UC3842BD1R2G	2845217 Data Sheet RoHS	ONSEMI PWM Controller 11V to 30V Supply 500kHz 1.6Vlow & 13.Vhigh/200mA out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$5.630 10+HK$3.550 100+HK$2.890 500+HK$2.770 1000+HK$2.660 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	-	30V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	0°C	70°C	-	-
SG3525AP	2460844 Data Sheet RoHS	STMICROELECTRONICS PWM Regulator Voltage Mode 8V to 35V 100Hz to 400kHz 0 to 49% Duty Cycle PDIP-16	Each	1+HK$27.850 10+HK$18.960 50+HK$18.000 100+HK$15.330 250+HK$14.500 More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	8V	35V	NSOIC	16Pins	Surface Mount	-	120kHz	400kHz	0%	49%	Push-Pull	0°C	70°C	-	-
UC3844BN	2849826 Data Sheet RoHS	STMICROELECTRONICS PWM Controller Current Mode 12V-25V supply 250kHz 13.5V/200mA out DIP-8	Each	1+HK$10.150 10+HK$6.570 100+HK$5.410 500+HK$5.190 1000+HK$4.790 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	-	-	MiniDIP	8Pins	Through Hole	52kHz	-	-	0%	50%	Boost, Flyback	-25°C	85°C	-	-
UC3843BD1	2806979 Data Sheet RoHS	STMICROELECTRONICS PWM Controller 11V to 30V Supply 500kHz 1.6Vlow & 13.Vhigh/200mA out SOIC-8	Each	1+HK$12.750 10+HK$9.060 100+HK$7.890 500+HK$7.710 1000+HK$7.570 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	11V	30V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	100%	Boost, Flyback	0°C	70°C	-	-
UC2844BDR2G	2628015 Data Sheet RoHS	ONSEMI PWM Controller 12V - 25V Supply 52 kHz 200 mA Out SOIC-14	Each (Supplied on Cut Tape) Cut Tape	1+HK$6.040 10+HK$3.850 100+HK$3.370 500+HK$3.310 1000+HK$3.240 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	14Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback, Inverting	-25°C	85°C	UC2844B	-
UC2842BD1R2G	2534262 Data Sheet RoHS	ONSEMI PWM Controller 12V-25V supply 250kHz 200mA out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$5.630 10+HK$3.560 100+HK$3.120 500+HK$3.060 1000+HK$3.000 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	30V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	-25°C	85°C	-	-
UC3844BD1013TR	2849825 Data Sheet RoHS	STMICROELECTRONICS PWM Controller Current Mode 11V to 30V Supply 500kHz 1.6Vlow & 13.Vhigh/200mA out SOIC-8	Each	1+HK$4.710 10+HK$2.920 100+HK$2.360 500+HK$2.250 1000+HK$2.240 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	-	-	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback	-25°C	85°C	-	-
UC2845BD1R2G	2845216 Data Sheet RoHS	ONSEMI PWM Controller 6.5V to 36V Supply 52kHz 5V/1A out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$5.740 10+HK$3.630 100+HK$3.180 500+HK$3.120 1000+HK$3.060 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	6.5V	36V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback, Inverting	-25°C	85°C	-	-
UC3843BDR2G	2845219 Data Sheet RoHS	ONSEMI PWM Controller 14V to 30V Supply 500kHz 5V/1A out SOIC-14	Each (Supplied on Cut Tape) Cut Tape	1+HK$6.040 10+HK$3.870 100+HK$3.210 500+HK$3.150 1000+HK$3.090 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	14V	30V	SOIC	14Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	0°C	70°C	-	-
UC3844BD1R2G	2845220 Data Sheet RoHS	ONSEMI PWM Controller 14V to 36V Supply 52kHz 5V/1A out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$5.130 10+HK$3.330 100+HK$2.940 500+HK$2.890 1000+HK$2.830 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	14V	36V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback, Inverting	0°C	70°C	-	-
UC3846DW	3123563 RoHS	TEXAS INSTRUMENTS Current Mode PWM 40V-8V supply 500 kHz 5.1V/500A out SOIC-16	Each	1+HK$51.820 10+HK$39.500 25+HK$34.460 50+HK$30.360	-	Single Ended Controller	-	1Channels	Current Mode Control	8V	40V	SOIC	16Pins	Surface Mount	500kHz	-	-	-	-	Push-Pull	0°C	70°C	-	-
UC2845BD1013TR	2849823 Data Sheet RoHS	STMICROELECTRONICS PWM Controller Current Mode 11V to 30V Supply 500kHz 1.6Vlow & 13.Vhigh/200mA out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$6.970 10+HK$4.390 100+HK$3.560 500+HK$3.400 1000+HK$3.280 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	-	-	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback	-25°C	85°C	-	-
FAN7601BMX	2451078 Data Sheet RoHS	ONSEMI PWM Controller 18V-10V supply 300 kHz 5V/250mA out SOP-8	Each (Supplied on Cut Tape) Cut Tape	1+HK$5.960 10+HK$3.820 100+HK$3.120 500+HK$2.970 1000+HK$2.860 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	10V	18V	SOP	8Pins	Surface Mount	-	-	300kHz	0%	98%	Flyback	-40°C	150°C	-	-
UCC2893D	3008581 RoHS	TEXAS INSTRUMENTS PWM Controller 8.5V - 16V Supply 1 MHz 110V In 11.1V/150 mA Out SOIC-16	Each	1+HK$39.080 10+HK$37.550 25+HK$36.020 50+HK$34.480 100+HK$32.950 More Pricing...	-	Double Ended Controller	-	1Channels	Current Mode Control	8.5V	16V	SOIC	16Pins	Surface Mount	250kHz	-	-	0%	74%	Flyback, Forward	-40°C	85°C	-	-
TL3844P	3123466 RoHS	TEXAS INSTRUMENTS Current Mode PWM Controller 12V-25V supply 30V/200mA out 100 kHz DIP-8	Each	1+HK$11.660 10+HK$11.260 50+HK$10.850 100+HK$10.440 250+HK$10.030 More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	DIP	8Pins	Through Hole	100kHz	-	500kHz	0%	50%	Forward	0°C	70°C	-	-
AP3301K6TR-G1	3942585 Data Sheet RoHS	DIODES INC. PWM Controller 10 V to 25 V Supply 120 KHz 352 mA Out SOT-26-6	Each (Supplied on Cut Tape) Cut Tape	1+HK$4.630 10+HK$2.870 100+HK$2.320 500+HK$2.210 1000+HK$2.120 More Pricing...	-	Quasi-Resonant Controller	-	1Channels	Current Mode Control	10V	25V	SOT-26	6Pins	Surface Mount	62kHz	-	-	-	-	Flyback	-40°C	85°C	-	-
UCC2895DW	3123600 RoHS	TEXAS INSTRUMENTS PHASE SHIFT CONTROLLER SMD 2895	Each	1+HK$66.340 10+HK$51.320 25+HK$47.470 50+HK$47.410 100+HK$47.350 More Pricing...	-	Active Clamp Controller	-	1Channels	Current Mode Control, Voltage Mode Control	10V	16.5V	SOIC	20Pins	Surface Mount	-	-	1MHz	0%	100%	Full Bridge	-40°C	85°C	-	-
L6565D	1077149 Data Sheet RoHS	STMICROELECTRONICS Switched-Mode Power Supply Controller 18V-10.3V supply 200mA out SOIC-8	Each	1+HK$13.850 10+HK$9.400 50+HK$8.880 100+HK$8.360 250+HK$7.880 More Pricing...	-	Quasi-Resonant Controller	-	1Channels	Current Mode Control	10.3V	18V	SOIC	8Pins	Surface Mount	-	-	-	-	-	Flyback	-40°C	150°C	-	-