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  1. Question about flyback diode - All About Circuits

    Dec 2, 2025 · D12 - From Arduino Pin 12 turns on Q3 ALT_O - Connected to outside world to ground side of 12v Relay coil with built in flyback diode (Also connected to Cathode of an on …

  2. LT3511 Isolated Flyback Converter - All About Circuits

    Apr 30, 2025 · I've built the ±70V isolated flyback converter circuit using the LT3511 IC, based on the application example provided in its datasheet. My goal is to use this power supply to drive …

  3. Building my own spark plug tester. (And understanding ignition …

    May 1, 2025 · A flyback transformer generates a voltage between a few kilovolts to 50 kilovolts and uses high frequency switched currents between 17 kHz and 50 kHz. The chief difference …

  4. Designing Flyback Converter | Forum for Electronics

    Jul 8, 2024 · So, I have been trying to simulate a flyback converter to understand its working in depth so I can move to QR Flyback converters later. There are a few issues I am facing with …

  5. LT3511 Isolated Flyback Converter | Electronics Forum (Circuits ...

    Apr 30, 2025 · I've built the ±70V isolated flyback converter circuit using the LT3511 IC, based on the application example provided in its datasheet. My goal is to use this power supply to drive …

  6. Power stage transfer function for flyback - Forum for Electronics

    Jun 13, 2021 · The flyback and buck-boost resemble each other because their core generates all power sent to the output stage. Specifically, the collapsing flux field provides current.

  7. Help in designing a Flyback with MC34063 - Forum for Electronics

    Mar 24, 2025 · I am designing a flyback source using the MC34063 IC with the goal of raising the voltage from 12V to 500V and providing an output current of 10mA. My idea is that the output …

  8. Designing flyback transformer for SMPS | All About Circuits

    Mar 31, 2025 · When the flyback's primary current stops, the magnetic field in the GAP collapses, inducing a voltage in the secondary winding of the correct polarity to enable the output rectifier …

  9. Transformer dot convention question | All About Circuits

    Mar 14, 2021 · Here is a flyback converter (note the dots here). The output is generated when the transistor switches off. A forward converter is similar but the output is generated when the …

  10. What is special about Flyback? - All About Circuits

    Jul 8, 2024 · A flyback converter can be produced using a control IC, two semiconductors (one MOSFET and one diode) and one magnetic component, and the control IC (UC3842) costs …