Infineon PWM | RS
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    Infineon PWM

    Electronic circuits can contain both analogue and digital components. PWM, which stands for Pulse Width Modulation, facilitates the control of analogue devices using a digital signal. Many electrical designs use PWM for regulation, with PWM used as a way to reduce the average power that is delivered by an electrical signal by chopping it up into smaller parts. RS offer a range of PWM Controllers from a multitude of trusted brands, including ON Semiconductor, STMicroelectronics, Texas Instruments, and more.

    What do PWMs do?

    Analogue signals can be on or off, or can even be put into a position half-way between the two, whereas a digital signal has just on or off positions. Both signals appear in electronic circuits and can often be required to work together. Inputs can be converted using a DAC (digital-to-analogue converter) or an ADC (analogue-to-digital converter). PWM is available to control the output of a device: for example, PWM can convert the digital output of a microcontroller (MCU) into an analogue signal to drive the next analogue component.

    Types of PWM devices:

    • PWM Voltage Mode Controllers work by applying a control voltage (Vc) and a PWM ramp (Vramp) input.
    • PWM Current Mode Controllers add a second loop feeding back to the inductor current to create the PWM ramp.
    • PWM Switching Regulators feed the input voltage back through the PWM controller to keep the output voltage constant.

    What is a duty cycle?

    PWM signals feature two main things: frequency and a duty cycle. Duty cycle is given as a percentage (%) and refers to the amount of time the signal is on. For example, if the duty cycle is 50%, the signal is on for 50% and off for 50% of the time period. Pulse width modulation uses a rectangular pulse wave.

    Where are PWM controllers used?

    • Motors
    • LED lighting
    • Lamps
    • Heaters/HVAC
    • Electric vehicles
    • Robotics
    • Communication systems

    15 Products showing for Infineon PWM

    Infineon
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    65 kHz
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    650 V
    9.95 A
    Current
    1
    30ns
    Through Hole
    DIP
    30ns
    8
    Flyback
    9.77 x 6.6 x 4.8mm
    75%
    9.77mm
    Current Mode
    6.6mm
    4.8mm
    Infineon
    Zero Power Detection
    65 kHz
    550µA
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    2.3 mA
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    1
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    Surface Mount
    DSO
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    8
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    5 x 4 x 1.65mm
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    5mm
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    4mm
    1.65mm
    Infineon
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    300µA
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    1.5 mA
    10 V
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    Infineon
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    425 kHz
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    Infineon
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    65 kHz
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    -
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    -
    650 V
    9.95 A
    Current
    1
    30ns
    Through Hole
    DIP
    30ns
    8
    Flyback
    9.77 x 6.6 x 4.8mm
    75%
    9.77mm
    Current Mode
    6.6mm
    4.8mm
    Infineon
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    -
    300µA
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    1.5 mA
    10 V
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    Infineon
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    300µA
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    1.5 mA
    10 V
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    Infineon
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    30µA
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    2 mA
    26 V
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    Infineon
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    425 kHz
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    Infineon
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    65 kHz
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    -
    650 V
    9.95 A
    Current
    1
    30ns
    Through Hole
    DIP
    30ns
    8
    Flyback
    9.77 x 6.6 x 4.8mm
    75%
    9.77mm
    Current Mode
    6.6mm
    4.8mm
    Infineon
    Zero Power Detection
    65 kHz
    550µA
    -
    -
    2.3 mA
    -
    -
    -
    1
    -
    Surface Mount
    DSO
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    8
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    5 x 4 x 1.65mm
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    5mm
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    4mm
    1.65mm
    Infineon
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    30µA
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    2 mA
    26 V
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    Infineon
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    425 kHz
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    Infineon
    Zero Power Detection
    65 kHz
    550µA
    -
    -
    2.3 mA
    -
    -
    -
    1
    -
    Surface Mount
    DSO
    -
    8
    -
    5 x 4 x 1.65mm
    -
    5mm
    -
    4mm
    1.65mm
    Infineon
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    30µA
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    2 mA
    26 V
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