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PWM Controllers for Flyback DC/DC Converters

Pulse Width Modulation (PWM) is widely used in switch mode power supplies that use digital control to provide the switching action. PWM itself is a controlled digital output signal. A pulse is much like a step-function in that it is binary, either fully on or off, and thus digital in nature. The on-time of a pulse is when the DC supply voltage is fully applied to the load. The period during which the voltage supply is switched off is the binary low of the pulse. Thus, PWM is a means of digitally emulating a varying analog signal by generating a train of pulses that vary in frequency.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Switching Controllers PWM Controller TL494IN Texas Instruments 1: S/ 6.46 19,328In Stock	Mfr. Part # TL494IN Mouser Part # 595-TL494IN	Texas Instruments	Switching Controllers PWM Controller	Datasheet	19,328In Stock	S/ 6.46 S/ 4.75 S/ 4.28 S/ 3.82 View S/ 3.60 S/ 3.46 S/ 3.34 S/ 3.22 S/ 3.15	Min.: 1 Mult.: 1
Switching Controllers Adv Voltage Mode A 5 95-UCC25702PWTR A 5 A 595-UCC25702PWTR UCC25702PW Texas Instruments 1: S/ 59.56 236In Stock	Mfr. Part # UCC25702PW Mouser Part # 595-UCC25702PW	Texas Instruments	Switching Controllers Adv Voltage Mode A 5 95-UCC25702PWTR A 5 A 595-UCC25702PWTR	Datasheet	236In Stock	S/ 59.56 S/ 46.63 S/ 43.40 S/ 32.23	Min.: 1 Mult.: 1
AC/DC Converters Int Off-Line Switchr 43W/62W TOP264VG Power Integrations 1: S/ 5.61 11,761In Stock	Mfr. Part # TOP264VG Mouser Part # 869-TOP264VG	Power Integrations	AC/DC Converters Int Off-Line Switchr 43W/62W	Datasheet	11,761In Stock	S/ 5.61 S/ 4.83 S/ 4.24 S/ 4.16 View S/ 4.05 S/ 3.77 S/ 3.75 S/ 3.50	Min.: 1 Mult.: 1
Switching Controllers Resonant-Mode UC3861DW Texas Instruments 1: S/ 35.03 145In Stock	Mfr. Part # UC3861DW Mouser Part # 595-UC3861DW	Texas Instruments	Switching Controllers Resonant-Mode	Datasheet	145In Stock	S/ 35.03 S/ 27.13 S/ 25.15 S/ 21.45 View S/ 21.29 S/ 20.86 Quote	Min.: 1 Mult.: 1
Switching Controllers PWM Controller TL594IPWR Texas Instruments 1: S/ 5.25 1,856In Stock	Mfr. Part # TL594IPWR Mouser Part # 595-TL594IPWR	Texas Instruments	Switching Controllers PWM Controller	Datasheet	1,856In Stock	Cut Tape S/ 5.25 S/ 3.81 S/ 3.45 S/ 3.06 Reel S/ 2.57 View S/ 2.87 S/ 2.75 S/ 2.64 S/ 2.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Switching Controllers Adv PWM Controller A 595-UCC28250RGPR A A 595-UCC28250RGPR UCC28250RGPT Texas Instruments 1: S/ 22.73 400In Stock	Mfr. Part # UCC28250RGPT Mouser Part # 595-UCC28250RGPT	Texas Instruments	Switching Controllers Adv PWM Controller A 595-UCC28250RGPR A A 595-UCC28250RGPR	Datasheet	400In Stock	Cut Tape S/ 22.73 S/ 17.32 S/ 15.96 S/ 14.48 Reel S/ 13.08 View S/ 13.04 S/ 13.00 MouseReel Available	Min.: 1 Mult.: 1 : 250
Switching Controllers Advanced Regulating UC2524AN Texas Instruments 1: S/ 14.71 1,926In Stock	Mfr. Part # UC2524AN Mouser Part # 595-UC2524AN	Texas Instruments	Switching Controllers Advanced Regulating	Datasheet	1,926In Stock	S/ 14.71 S/ 11.29 S/ 9.58 S/ 8.95 View S/ 8.45 S/ 8.25 S/ 7.86 S/ 7.63 S/ 7.47	Min.: 1 Mult.: 1
Switching Controllers Regulating Pulse Wid th Modulator UC2525AN Texas Instruments 1: S/ 13.74 923In Stock	Mfr. Part # UC2525AN Mouser Part # 595-UC2525AN	Texas Instruments	Switching Controllers Regulating Pulse Wid th Modulator	Datasheet	923In Stock	S/ 13.74 S/ 10.59 S/ 8.95 S/ 8.37 View S/ 7.90 S/ 7.75 S/ 7.36 S/ 7.12 S/ 6.97	Min.: 1 Mult.: 1
Switching Controllers REGULATING PULSE WID TH MODULATOR A 926- A 926-LM3524DMX/NOPB LM3524DM/NOPB Texas Instruments 1: S/ 8.72 1,471In Stock	Mfr. Part # LM3524DM/NOPB Mouser Part # 926-LM3524DM/NOPB	Texas Instruments	Switching Controllers REGULATING PULSE WID TH MODULATOR A 926- A 926-LM3524DMX/NOPB	Datasheet	1,471In Stock	S/ 8.72 S/ 6.46 S/ 5.57 S/ 5.06 View S/ 4.90 S/ 4.87 S/ 4.75 S/ 4.44 S/ 4.36	Min.: 1 Mult.: 1
Switching Controllers Reg Pulse-Width Modulator SG2524D Texas Instruments 1: S/ 6.38 1,522In Stock	Mfr. Part # SG2524D Mouser Part # 595-SG2524D	Texas Instruments	Switching Controllers Reg Pulse-Width Modulator	Datasheet	1,522In Stock	S/ 6.38 S/ 4.71 S/ 4.09 S/ 3.73 View S/ 3.53 S/ 3.41 S/ 3.30 S/ 3.12 S/ 3.06	Min.: 1 Mult.: 1
Switching Controllers PWM Ctlr SG2524N Texas Instruments 1: S/ 6.81 8In Stock 4,000Expected 2/22/2027	Mfr. Part # SG2524N Mouser Part # 595-SG2524N	Texas Instruments	Switching Controllers PWM Ctlr	Datasheet	8In Stock 4,000Expected 2/22/2027	S/ 6.81 S/ 5.02 S/ 4.52 S/ 4.01 View S/ 3.80 S/ 3.66 S/ 3.48 S/ 3.33 S/ 3.26	Min.: 1 Mult.: 1
Switching Controllers Control Circuit A 59 5-TL494ID A 595-TL4 A 595-TL494ID TL494IDR Texas Instruments 1: S/ 1.99 5,827In Stock	Mfr. Part # TL494IDR Mouser Part # 595-TL494IDR	Texas Instruments	Switching Controllers Control Circuit A 59 5-TL494ID A 595-TL4 A 595-TL494ID	Datasheet	5,827In Stock	Cut Tape S/ 1.99 S/ 1.39 S/ 1.24 S/ 1.08 Reel S/ 0.891 View S/ 1.00 S/ 0.954 S/ 0.915 S/ 0.806 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers Advanced Regulating A 595-UC2524ADWTR A A 595-UC2524ADWTR UC2524ADW Texas Instruments 1: S/ 13.20 282In Stock	Mfr. Part # UC2524ADW Mouser Part # 595-UC2524ADW	Texas Instruments	Switching Controllers Advanced Regulating A 595-UC2524ADWTR A A 595-UC2524ADWTR	Datasheet	282In Stock	S/ 13.20 S/ 9.81 S/ 8.99 S/ 8.06 View S/ 7.63 S/ 7.43 S/ 7.08 S/ 6.85 S/ 6.73	Min.: 1 Mult.: 1
Switching Controllers Regulating Pulse Wid th Modulator A 595- A 595-UC2526ADWTR UC2526ADW Texas Instruments 1: S/ 19.93 440In Stock	Mfr. Part # UC2526ADW Mouser Part # 595-UC2526ADW	Texas Instruments	Switching Controllers Regulating Pulse Wid th Modulator A 595- A 595-UC2526ADWTR	Datasheet	440In Stock	S/ 19.93 S/ 15.18 S/ 13.70 S/ 12.61 View S/ 12.03 S/ 11.68 S/ 11.44 S/ 11.21	Min.: 1 Mult.: 1
Switching Controllers Regulating Pulse Wid th Modulator UC2526N Texas Instruments 1: S/ 20.16 298In Stock	Mfr. Part # UC2526N Mouser Part # 595-UC2526N	Texas Instruments	Switching Controllers Regulating Pulse Wid th Modulator	Datasheet	298In Stock	S/ 20.16 S/ 15.22 S/ 13.97 S/ 12.61 View S/ 11.95 S/ 11.87 S/ 11.13 S/ 10.90	Min.: 1 Mult.: 1
Switching Controllers Resonant-Mode A 595- UC3867DWTR A 595-UC A 595-UC3867DWTR UC3867DW Texas Instruments 1: S/ 35.15 130In Stock	Mfr. Part # UC3867DW Mouser Part # 595-UC3867DW	Texas Instruments	Switching Controllers Resonant-Mode A 595- UC3867DWTR A 595-UC A 595-UC3867DWTR	Datasheet	130In Stock	S/ 35.15 S/ 27.25 S/ 25.26 S/ 23.04 View S/ 22.03 S/ 21.41 S/ 20.82 Quote	Min.: 1 Mult.: 1
Switching Controllers Resonant-Mode UC3867N Texas Instruments 1: S/ 36.63 25In Stock	Mfr. Part # UC3867N Mouser Part # 595-UC3867N	Texas Instruments	Switching Controllers Resonant-Mode	Datasheet	25In Stock	S/ 36.63 S/ 29.47 S/ 24.99 S/ 24.02 View S/ 22.93 S/ 22.27 S/ 21.68 Quote	Min.: 1 Mult.: 1
Switching Controllers Single Ended Active Clamp/Reset PWM A 59 A 595-UCC2580DTR-1 UCC2580D-1 Texas Instruments 1: S/ 34.88 7In Stock	Mfr. Part # UCC2580D-1 Mouser Part # 595-UCC2580D-1	Texas Instruments	Switching Controllers Single Ended Active Clamp/Reset PWM A 59 A 595-UCC2580DTR-1	Datasheet	7In Stock	S/ 34.88 S/ 27.01 S/ 25.07 S/ 21.80 View S/ 21.56 S/ 21.29 S/ 21.02 Quote	Min.: 1 Mult.: 1
AC/DC Converters VIPer 800V Plus Fixed Freq 115kHz VIPER06HSTR STMicroelectronics 1: S/ 3.66 13In Stock 5,000On Order	Mfr. Part # VIPER06HSTR Mouser Part # 511-VIPER06HSTR	STMicroelectronics	AC/DC Converters VIPer 800V Plus Fixed Freq 115kHz Learn More about STMicroelectronics stm viper06	Datasheet	13In Stock 5,000On Order On Order Ship Dates Mfr. #: VIPER06HSTR Stock: 13 Can Ship Immediately On Order: 2,500 Expected 4/23/2027 2,500 Expected 5/14/2027 Factory Lead-Time: 41 Weeks	Cut Tape S/ 3.66 S/ 2.57 S/ 2.30 S/ 2.01 View Reel S/ 1.66 S/ 1.87 S/ 1.79 S/ 1.72 S/ 1.66 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
AC/DC Converters VIPer 800V Plus Fixed Freq 60kHz VIPER06LSTR STMicroelectronics 1: S/ 3.97 39In Stock 2,500Expected 3/12/2027	Mfr. Part # VIPER06LSTR Mouser Part # 511-VIPER06LSTR	STMicroelectronics	AC/DC Converters VIPer 800V Plus Fixed Freq 60kHz Learn More about STMicroelectronics stm viper06	Datasheet	39In Stock 2,500Expected 3/12/2027	Cut Tape S/ 3.97 S/ 2.87 S/ 2.55 S/ 2.25 View Reel S/ 1.86 S/ 2.10 S/ 2.01 S/ 1.95 S/ 1.86 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
AC/DC Converters VIPer 800V Plus Fixed Freq 30kHz VIPER06XSTR STMicroelectronics 1: S/ 3.58 47In Stock 12,500On Order	Mfr. Part # VIPER06XSTR Mouser Part # 511-VIPER06XSTR	STMicroelectronics	AC/DC Converters VIPer 800V Plus Fixed Freq 30kHz Learn More about STMicroelectronics stm viper06	Datasheet	47In Stock 12,500On Order On Order Ship Dates Mfr. #: VIPER06XSTR Stock: 47 Can Ship Immediately On Order: 2,500 Expected 11/5/2027 10,000 TBD Factory Lead-Time: 41 Weeks	Cut Tape S/ 3.58 S/ 2.53 S/ 2.30 S/ 1.83 View Reel S/ 1.63 S/ 1.71 S/ 1.70 S/ 1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers PWM Ctlr A 595-SG252 4D A 595-SG2524D A A 595-SG2524D SG2524DR Texas Instruments 1: S/ 5.57 842In Stock 2,500Expected 1/28/2027	Mfr. Part # SG2524DR Mouser Part # 595-SG2524DR	Texas Instruments	Switching Controllers PWM Ctlr A 595-SG252 4D A 595-SG2524D A A 595-SG2524D	Datasheet	842In Stock 2,500Expected 1/28/2027	Cut Tape S/ 5.57 S/ 4.05 S/ 3.66 S/ 3.25 Reel S/ 2.72 View S/ 3.05 S/ 2.93 S/ 2.82 S/ 2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Switching Controllers Voltage-Mode PWM Mic ropower A 595-UCC25 A 595-UCC2581DTR UCC2581D Texas Instruments 1: S/ 28.38 175In Stock	Mfr. Part # UCC2581D Mouser Part # 595-UCC2581D	Texas Instruments	Switching Controllers Voltage-Mode PWM Mic ropower A 595-UCC25 A 595-UCC2581DTR	Datasheet	175In Stock	S/ 28.38 S/ 21.91 S/ 19.27 S/ 18.45 View S/ 17.32 S/ 17.09 S/ 16.62 S/ 16.19 Quote	Min.: 1 Mult.: 1
Switching Controllers 42V SYNC STEP-DOWN A 926-LM3150MH/NOPB A A 926-LM3150MH/NOPB LM3150MHE/NOPB Texas Instruments 1: S/ 21.68 338In Stock 1,750Expected 3/8/2027	Mfr. Part # LM3150MHE/NOPB Mouser Part # 926-LM3150MHE/NOPB	Texas Instruments	Switching Controllers 42V SYNC STEP-DOWN A 926-LM3150MH/NOPB A A 926-LM3150MH/NOPB Learn More about Texas Instruments ti LM3150 controllers	Datasheet	338In Stock 1,750Expected 3/8/2027	Cut Tape S/ 21.68 S/ 16.54 S/ 15.22 S/ 13.82 Reel S/ 13.12 View S/ 12.73 S/ 12.53 S/ 12.42 MouseReel Available	Min.: 1 Mult.: 1 : 250
Switching Controllers Resonant-Mode UC3863DW Texas Instruments 1: S/ 34.37 30In Stock	Mfr. Part # UC3863DW Mouser Part # 595-UC3863DW	Texas Instruments	Switching Controllers Resonant-Mode	Datasheet	30In Stock	S/ 34.37 S/ 26.66 S/ 24.83 S/ 23.59 View S/ 23.04 S/ 22.73 S/ 22.46 Quote	Min.: 1 Mult.: 1

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