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                                                                                                • Reduced Prices
                                                                                                  1. Home
                                                                                                  2. Semiconductors - ICs
                                                                                                  3. Power Management ICs - PMIC
                                                                                                  4. PWM Controllers
                                                                                                  5. Constant Frequency PWM Controllers

                                                                                                  Constant Frequency PWM Controllers:

                                                                                                  11 Products Found
                                                                                                  Find a huge range of Constant Frequency PWM Controllers at Farnell Denmark. We stock a wide range of PWM Controllers, such as Current Mode Control, Voltage Mode Control, Constant Frequency & Current PWM Controllers from the worlds top manufacturers including: Texas Instruments, Renesas, Analog Devices & Richtek
                                                                                                  View
                                                                                                  Buyer
                                                                                                  Engineer
                                                                                                  Manufacturer
                                                                                                  Power Supply Controller Type
                                                                                                  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 Max
                                                                                                  Topology
                                                                                                  Operating Temperature Min
                                                                                                  Operating Temperature Max
                                                                                                  Product Range
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                                                                                                  Filter(s) Applied
                                                                                                  1 Filter(s) Selected
                                                                                                  ComparePrice ForQuantity
                                                                                                  TL494CN
                                                                                                  TEXAS INSTRUMENTS TL494CN
                                                                                                  3123471

                                                                                                  RoHS

                                                                                                  TEXAS INSTRUMENTS
                                                                                                  1. Voltage Mode PWM Controller
                                                                                                  2. 2 outputs
                                                                                                  3. 7V-40V supply
                                                                                                  4. 40 V/200mA out
                                                                                                  5. 300 kHz
                                                                                                  6. DIP-16
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 3.740
                                                                                                  10+
                                                                                                  kr 2.670
                                                                                                  100+
                                                                                                  kr 2.080
                                                                                                  500+
                                                                                                  kr 1.830
                                                                                                  1000+
                                                                                                  kr 1.750
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Double Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  7V
                                                                                                  40V
                                                                                                  DIP
                                                                                                  16Pins
                                                                                                  Through Hole
                                                                                                  -
                                                                                                  1kHz
                                                                                                  300kHz
                                                                                                  45%
                                                                                                  Push-Pull
                                                                                                  0°C
                                                                                                  70°C
                                                                                                  TL494; NCV494
                                                                                                  -
                                                                                                  MAX1523EUT+T
                                                                                                  ANALOG DEVICES MAX1523EUT+T
                                                                                                  2519132

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  ANALOG DEVICES
                                                                                                  1. Boost Controller
                                                                                                  2. 2.5V - 5.5V Supply
                                                                                                  3. 1 MHz
                                                                                                  4. 3.3V In
                                                                                                  5. /950 mA Out
                                                                                                  6. SOT-23-6
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Cut Tape
                                                                                                  1+
                                                                                                  kr 33.630
                                                                                                  10+
                                                                                                  kr 25.590
                                                                                                  25+
                                                                                                  kr 23.580
                                                                                                  100+
                                                                                                  kr 21.350
                                                                                                  250+
                                                                                                  kr 20.310
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Single Ended Controller
                                                                                                  1Channels
                                                                                                  Constant Frequency
                                                                                                  2.5V
                                                                                                  5.5V
                                                                                                  SOT-23
                                                                                                  6Pins
                                                                                                  Surface Mount
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  90%
                                                                                                  Boost, Flyback, SEPIC
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  TL494IDR
                                                                                                  TEXAS INSTRUMENTS TL494IDR
                                                                                                  3008539

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  TEXAS INSTRUMENTS
                                                                                                  1. PWM Controller
                                                                                                  2. 7V to 40V Supply
                                                                                                  3. 300kHz
                                                                                                  4. 40V/200mA out
                                                                                                  5. SOIC-16
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Cut Tape
                                                                                                  5+
                                                                                                  kr 3.060
                                                                                                  10+
                                                                                                  kr 2.160
                                                                                                  100+
                                                                                                  kr 1.670
                                                                                                  500+
                                                                                                  kr 1.470
                                                                                                  1000+
                                                                                                  kr 1.410
                                                                                                  More Pricing...
                                                                                                  Min: 5 / Mult: 5
                                                                                                  Double Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  7V
                                                                                                  40V
                                                                                                  SOIC
                                                                                                  16Pins
                                                                                                  Surface Mount
                                                                                                  -
                                                                                                  1kHz
                                                                                                  300kHz
                                                                                                  45%
                                                                                                  Push-Pull
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  MAX1523EUT+T
                                                                                                  ANALOG DEVICES MAX1523EUT+T
                                                                                                  2519132RL

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  ANALOG DEVICES
                                                                                                  1. Boost Controller
                                                                                                  2. 2.5V - 5.5V Supply
                                                                                                  3. 1 MHz
                                                                                                  4. 3.3V In
                                                                                                  5. /950 mA Out
                                                                                                  6. SOT-23-6
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Re-Reel
                                                                                                  Packaging Options
                                                                                                  100+
                                                                                                  kr 21.350
                                                                                                  250+
                                                                                                  kr 20.310
                                                                                                  500+
                                                                                                  kr 19.640
                                                                                                  Min: 100 / Mult: 1
                                                                                                  Single Ended Controller
                                                                                                  1Channels
                                                                                                  Constant Frequency
                                                                                                  2.5V
                                                                                                  5.5V
                                                                                                  SOT-23
                                                                                                  6Pins
                                                                                                  Surface Mount
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  90%
                                                                                                  Boost, Flyback, SEPIC
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  TL494IDR
                                                                                                  TEXAS INSTRUMENTS TL494IDR
                                                                                                  3008539RL

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  TEXAS INSTRUMENTS
                                                                                                  1. PWM Controller
                                                                                                  2. 7V to 40V Supply
                                                                                                  3. 300kHz
                                                                                                  4. 40V/200mA out
                                                                                                  5. SOIC-16
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Re-Reel
                                                                                                  Packaging Options
                                                                                                  100+
                                                                                                  kr 1.670
                                                                                                  500+
                                                                                                  kr 1.470
                                                                                                  1000+
                                                                                                  kr 1.410
                                                                                                  5000+
                                                                                                  kr 1.340
                                                                                                  10000+
                                                                                                  kr 1.280
                                                                                                  Min: 100 / Mult: 5
                                                                                                  Double Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  7V
                                                                                                  40V
                                                                                                  SOIC
                                                                                                  16Pins
                                                                                                  Surface Mount
                                                                                                  -
                                                                                                  1kHz
                                                                                                  300kHz
                                                                                                  45%
                                                                                                  Push-Pull
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  TL494IN
                                                                                                  TEXAS INSTRUMENTS TL494IN
                                                                                                  3123474

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  TEXAS INSTRUMENTS
                                                                                                  1. Voltage Mode PWM Controller
                                                                                                  2. 2 outputs
                                                                                                  3. 7V-40V supply
                                                                                                  4. 40 V/200mA out
                                                                                                  5. 300 kHz
                                                                                                  6. DIP-16
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 4.430
                                                                                                  10+
                                                                                                  kr 3.120
                                                                                                  100+
                                                                                                  kr 2.430
                                                                                                  500+
                                                                                                  kr 2.150
                                                                                                  1000+
                                                                                                  kr 1.990
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Double Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  7V
                                                                                                  40V
                                                                                                  DIP
                                                                                                  16Pins
                                                                                                  Through Hole
                                                                                                  -
                                                                                                  1kHz
                                                                                                  300kHz
                                                                                                  45%
                                                                                                  Push-Pull
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  RT8129AGQW
                                                                                                  RICHTEK RT8129AGQW
                                                                                                  2545997

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  RICHTEK
                                                                                                  1. Single Sync-Buck PWM
                                                                                                  2. 13.2V-4.5V supply
                                                                                                  3. 300 kHz
                                                                                                  4. WDFN-10
                                                                                                  Each
                                                                                                  1+
                                                                                                  kr 12.350
                                                                                                  10+
                                                                                                  kr 7.740
                                                                                                  100+
                                                                                                  kr 5.160
                                                                                                  500+
                                                                                                  kr 4.070
                                                                                                  1000+
                                                                                                  kr 2.860
                                                                                                  More Pricing...
                                                                                                  Min: 1 / Mult: 1
                                                                                                  Double Ended Controller
                                                                                                  1Channels
                                                                                                  Constant Frequency
                                                                                                  4.5V
                                                                                                  13.2V
                                                                                                  WDFN
                                                                                                  10Pins
                                                                                                  Surface Mount
                                                                                                  300kHz
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  Synchronous Buck (Step Down)
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  ISL78210ARUZ-T7A
                                                                                                  RENESAS ISL78210ARUZ-T7A
                                                                                                  2543347

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  RENESAS
                                                                                                  1. PWM DC/DC Voltage
                                                                                                  2. 25V-3.5V supply
                                                                                                  3. 300 kHz
                                                                                                  4. 3.3V/30A out
                                                                                                  5. µTQFN-16
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Cut Tape
                                                                                                  250+
                                                                                                  kr 13.260
                                                                                                  Min: 250 / Mult: 250
                                                                                                  Double Ended Controller
                                                                                                  1Channels
                                                                                                  Constant Frequency
                                                                                                  3.5V
                                                                                                  25V
                                                                                                  µTQFN
                                                                                                  16Pins
                                                                                                  Surface Mount
                                                                                                  300kHz
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  Synchronous Buck (Step Down)
                                                                                                  -40°C
                                                                                                  105°C
                                                                                                  -
                                                                                                  AEC-Q100
                                                                                                  ISL78210ARUZ-T7A
                                                                                                  RENESAS ISL78210ARUZ-T7A
                                                                                                  2543347RL

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  RENESAS
                                                                                                  1. PWM DC/DC Voltage
                                                                                                  2. 25V-3.5V supply
                                                                                                  3. 300 kHz
                                                                                                  4. 3.3V/30A out
                                                                                                  5. µTQFN-16
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Re-Reel
                                                                                                  Packaging Options
                                                                                                  250+
                                                                                                  kr 13.260
                                                                                                  Min: 250 / Mult: 250
                                                                                                  Double Ended Controller
                                                                                                  1Channels
                                                                                                  Constant Frequency
                                                                                                  3.5V
                                                                                                  25V
                                                                                                  µTQFN
                                                                                                  16Pins
                                                                                                  Surface Mount
                                                                                                  300kHz
                                                                                                  -
                                                                                                  -
                                                                                                  -
                                                                                                  Synchronous Buck (Step Down)
                                                                                                  -40°C
                                                                                                  105°C
                                                                                                  -
                                                                                                  AEC-Q100
                                                                                                  ISL68127IRAZ-T7A
                                                                                                  RENESAS ISL68127IRAZ-T7A
                                                                                                  2671772RL

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  RENESAS
                                                                                                  1. PWM Controller
                                                                                                  2. PM Bus
                                                                                                  3. 7 Phase
                                                                                                  4. 3.135V - 3.465V Supply
                                                                                                  5. 1 MHz
                                                                                                  6. 1.25V Out
                                                                                                  7. TQFN-48
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Re-Reel
                                                                                                  Packaging Options
                                                                                                  250+
                                                                                                  kr 44.650
                                                                                                  Min: 250 / Mult: 250
                                                                                                  Single Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  3.135V
                                                                                                  3.465V
                                                                                                  TQFN
                                                                                                  48Pins
                                                                                                  Surface Mount
                                                                                                  500kHz
                                                                                                  200kHz
                                                                                                  1MHz
                                                                                                  -
                                                                                                  Buck (Step Down)
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
                                                                                                  ISL68127IRAZ-T7A
                                                                                                  RENESAS ISL68127IRAZ-T7A
                                                                                                  2671772

                                                                                                  Data Sheet

                                                                                                  RoHS

                                                                                                  Date/Lot Code

                                                                                                  RENESAS
                                                                                                  1. PWM Controller
                                                                                                  2. PM Bus
                                                                                                  3. 7 Phase
                                                                                                  4. 3.135V - 3.465V Supply
                                                                                                  5. 1 MHz
                                                                                                  6. 1.25V Out
                                                                                                  7. TQFN-48
                                                                                                  Each (Supplied on Cut Tape)
                                                                                                  Cut Tape
                                                                                                  250+
                                                                                                  kr 44.650
                                                                                                  Min: 250 / Mult: 250
                                                                                                  Single Ended Controller
                                                                                                  2Channels
                                                                                                  Constant Frequency
                                                                                                  3.135V
                                                                                                  3.465V
                                                                                                  TQFN
                                                                                                  48Pins
                                                                                                  Surface Mount
                                                                                                  500kHz
                                                                                                  200kHz
                                                                                                  1MHz
                                                                                                  -
                                                                                                  Buck (Step Down)
                                                                                                  -40°C
                                                                                                  85°C
                                                                                                  -
                                                                                                  -
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                                                                                                  An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                                                                                                  Farnell is a trade name for Farnell Danmark AS.
                                                                                                  Registered number: 188324 | Registered office: Lyskær 9, 2730, Herlev, Denmark