PWM Controllers | element14 Australia

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 (Incl GST)	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

UC3843BD1G	2102563 Data Sheet RoHS	ONSEMI Current Mode Controller 25V-12V supply 500 kHz 13.4V/200mA out SOIC-8	Each	1+ $1.040($1.14) 10+ $0.513($0.56) 100+ $0.498($0.55) 500+ $0.489($0.54) 1000+ $0.479($0.53) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	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+ $1.250($1.38) 10+ $0.788($0.87) 100+ $0.642($0.71) 500+ $0.614($0.68) 1000+ $0.591($0.65) 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+ $1.030($1.13) 10+ $0.659($0.72) 100+ $0.537($0.59) 500+ $0.514($0.57) 1000+ $0.494($0.54) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	10V	18V	SOP	8Pins	Surface Mount	-	-	300kHz	0%	98%	Flyback	-40°C	150°C	-	-
MAX17595ATE+T	2909796 Data Sheet RoHS	ANALOG DEVICES PWM Controller Peak Current-Mode Flyback/Boost 8 V to 29 V in 1 MHz -40 to 125 °C TQFN-EP-16	Each (Supplied on Cut Tape) Cut Tape	1+ $4.400($4.84) 10+ $3.300($3.63) 25+ $3.020($3.32) 100+ $2.710($2.98) 250+ $2.570($2.83) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	8V	29V	TQFN-EP	16Pins	Surface Mount	-	100kHz	1MHz	-	50%	Boost, Flyback	-40°C	125°C	-	-
LT1243CN8#PBF	4026058 Data Sheet RoHS	ANALOG DEVICES PWM Controller Current Mode 8.2 to 25 V Supply 5 V/1 A Out 248 kHz 0 to 70 °C PDIP-8	Each	1+ $11.540($12.69) 10+ $8.920($9.81) 50+ $7.880($8.67) 100+ $7.550($8.30) 250+ $7.210($7.93) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	8.2V	25V	PDIP	8Pins	Through Hole	-	-	-	-	96%	-	0°C	100°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+ $0.798($0.88) 10+ $0.495($0.54) 100+ $0.399($0.44) 500+ $0.380($0.42) 1000+ $0.365($0.40) More Pricing...	-	Quasi-Resonant Controller	-	1Channels	Current Mode Control	10V	25V	SOT-26	6Pins	Surface Mount	62kHz	-	-	-	-	Flyback	-40°C	85°C	-	-
LT3753MPFE#PBF	4026075 Data Sheet RoHS	ANALOG DEVICES PWM Controller Current mode 8.5 to 100 V Supply 10 V/10 mA Out -55 to 150 °C TSSOP-EP-38	Each	1+ $41.220($45.34) 10+ $33.230($36.55) 50+ $30.030($33.03) 100+ $29.040($31.94) 250+ $27.990($30.79)	-	Double Ended Controller	-	1Channels	Current Mode Control	8.5V	100V	TSSOP-EP	38Pins	Surface Mount	500kHz	-	-	-	-	Flyback, Forward	-55°C	150°C	-	-
LT1949ES8#PBF	4407870 Data Sheet RoHS	ANALOG DEVICES PWM Controller Current-Mode 1.5 to 12V 600kHz -40 °C to 85 °C NSOIC-8	Each	1+ $12.730($14.00) 10+ $9.880($10.87) 25+ $9.170($10.09) 100+ $8.380($9.22) 300+ $7.950($8.74) More Pricing...	-	-	-	1Channels	Current	1.5V	12V	NSOIC	8Pins	Surface Mount	600kHz	500kHz	750kHz	-	85%	Boost (Step Up)	-40°C	85°C	-	-
UC3842BN	9882529 Data Sheet RoHS	STMICROELECTRONICS Current Mode PWM Controller 12V-25V supply 250kHz 13.5V/200mA out DIP-8	Each	1+ $1.520($1.67) 10+ $0.946($1.04) 100+ $0.770($0.85) 500+ $0.736($0.81) 1000+ $0.692($0.76) 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+ $1.800($1.98) 10+ $1.300($1.43) 50+ $1.070($1.18) 100+ $0.968($1.06) 250+ $0.949($1.04) 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+ $1.070($1.18) 10+ $0.677($0.74) 100+ $0.591($0.65) 500+ $0.580($0.64) 1000+ $0.568($0.62) 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+ $1.830($2.01) 10+ $1.190($1.31) 100+ $0.967($1.06) 500+ $0.927($1.02) 1000+ $0.690($0.76) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	DIP	8Pins	Through Hole	52kHz	-	-	0%	50%	Boost, Flyback	-40°C	150°C	-	-
L6565D	1077149 Data Sheet RoHS	STMICROELECTRONICS Switched-Mode Power Supply Controller 18V-10.3V supply 200mA out SOIC-8	Each	1+ $2.450($2.70) 10+ $1.670($1.84) 50+ $1.580($1.74) 100+ $1.480($1.63) 250+ $1.400($1.54) More Pricing...	-	Quasi-Resonant Controller	-	1Channels	Current Mode Control	10.3V	18V	SOIC	8Pins	Surface Mount	-	-	-	-	-	Flyback	-40°C	150°C	-	-
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+ $3.040($3.34) 10+ $2.000($2.20) 50+ $1.890($2.08) 100+ $1.770($1.95) 250+ $1.740($1.91) 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	-	-
SG3525ADWR2G	2534255 Data Sheet RoHS	ONSEMI PWM Controller Voltage 35V-8V supply 400 kHz SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ $3.270($3.60) 10+ $2.200($2.42) 50+ $2.080($2.29) 100+ $1.960($2.16) 250+ $1.850($2.04) More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	8V	35V	SOIC	16Pins	Surface Mount	-	100kHz	400kHz	0%	49%	Half-Bridge	0°C	70°C	-	-
UC3843AN	3008564 RoHS	TEXAS INSTRUMENTS Current Mode PWM 25V-12V supply 500 kHz 15V/1A out DIP-8	Each	1+ $2.660($2.93) 10+ $1.960($2.16) 50+ $1.670($1.84) 100+ $1.570($1.73) 250+ $1.480($1.63) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	DIP	8Pins	Through Hole	-	-	500kHz	0%	100%	Flyback, Forward	0°C	70°C	-	-
TL494BDR2G	2728374 Data Sheet RoHS	ONSEMI PWM Controller Fixed Frequency 7V - 40V Supply 40 kHz 42 V/500 mA Out SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ $1.640($1.80) 10+ $1.070($1.18) 100+ $0.875($0.96) 500+ $0.839($0.92) 1000+ $0.818($0.90) More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	7V	40V	SOIC	16Pins	Surface Mount	40kHz	1kHz	200kHz	-	50%	Push-Pull	-40°C	125°C	-	-
UC3844AD8	3123550 RoHS	TEXAS INSTRUMENTS Current Mode PWM 25V-12V supply 500 kHz 5V/200mA out SOIC-8	Each	1+ $2.390($2.63) 10+ $1.580($1.74) 50+ $1.490($1.64) 100+ $1.460($1.61) 250+ $1.430($1.57) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	-	-	500kHz	0%	50%	Flyback, Forward	0°C	70°C	-	-
TL594CDR2G	2728375 Data Sheet RoHS	ONSEMI PWM Controller Fixed Frequency 7V - 40V Supply 40 kHz 5.3V In 500 mA Out SOIC-16	Each (Supplied on Cut Tape) Cut Tape	1+ $1.590($1.75) 10+ $1.040($1.14) 100+ $0.858($0.94) 500+ $0.823($0.91) 1000+ $0.802($0.88) More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	7V	40V	SOIC	16Pins	Surface Mount	40kHz	1kHz	300kHz	-	50%	Flyback, Forward	-40°C	85°C	-	-
UC3843BVD1R2G	2112630 Data Sheet RoHS	ONSEMI Controller Current Mode 25V-12V supply 500 kHz 5V/200mA out SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ $0.974($1.07) 10+ $0.692($0.76) 100+ $0.569($0.63) 500+ $0.558($0.61) 1000+ $0.547($0.60) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	96%	Boost, Flyback	-40°C	105°C	-	-
UC3845BD1R2G	2318549 Data Sheet RoHS	ONSEMI PWM Controller 25V-12V supply 250 kHz 13.4V/12mA out SOIC-8	Each	1+ $1.150($1.26) 10+ $0.726($0.80) 100+ $0.566($0.62) 500+ $0.535($0.59) 1000+ $0.520($0.57) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	12V	25V	SOIC	8Pins	Surface Mount	52kHz	-	-	0%	50%	Boost, Flyback, Inverting	0°C	70°C	-	-
L5991D	2460840 Data Sheet RoHS	STMICROELECTRONICS PWM Controller 16V-14V supply 1 MHz 1.5A out NSOIC-16	Each	1+ $3.650($4.01) 10+ $2.570($2.83) 50+ $2.500($2.75) 100+ $2.430($2.67) 250+ $2.250($2.48) More Pricing...	-	Primary Side Controller	-	1Channels	Current Mode Control	14V	16V	NSOIC	16Pins	Surface Mount	-	-	1MHz	0%	93%	Boost, Flyback	-40°C	150°C	-	-
ICE2QS03GXUMA1	2480552 Data Sheet RoHS	INFINEON PWM Controller Switched-Mode Power Supply 26V-9.8V supply 52 kHz SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ $2.060($2.27) 10+ $1.360($1.50) 50+ $1.290($1.42) 100+ $1.210($1.33) 250+ $1.130($1.24) More Pricing...	-	Quasi-Resonant Controller	-	1Channels	Current Mode Control	9.8V	26V	SOIC	8Pins	Surface Mount	52kHz	39kHz	65kHz	-	50%	Flyback	-40°C	130°C	-	-
IR35201MTRPBF	2803458 Data Sheet RoHS	INFINEON PWM Controller 2.9V to 3.63V Supply 194KHz to 2MHz 3V/20mA out QFN-56	Each (Supplied on Cut Tape) Cut Tape	1+ $9.680($10.65) 10+ $7.820($8.60) 25+ $7.230($7.95) 50+ $6.910($7.60) 100+ $6.590($7.25) More Pricing...	-	Double Ended Controller	-	2Channels	Voltage Mode Control	2.9V	3.63V	QFN	56Pins	Surface Mount	-	194kHz	2MHz	-	-	Buck	-40°C	85°C	-	-
ICE3AR0680JZXKLA1	2710051 Data Sheet RoHS	INFINEON PWM Controller Off LIne SMPS 10.5V - 25V Supply 100 kHz 800V/20A Out DIP-7	Each	1+ $3.890($4.28) 10+ $3.020($3.32) 25+ $2.720($2.99) 50+ $2.630($2.89) 100+ $2.540($2.79) More Pricing...	-	Single Ended Controller	-	1Channels	Current Mode Control	10.5V	25V	DIP	7Pins	Through Hole	100kHz	-	-	0%	80%	Flyback	-25°C	130°C	-	-