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Experimenting with Flyback Transformers
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Experimenting with Flyback Transformers
Forum A 2 parter: does anyone know of a pwm controller that can work with 1.5v? and! Does this section of the element14 community remain active for like general flyback discussion?
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A 2 parter: does anyone know of a pwm controller that can work with 1.5v? and! Does this section of the element14 community remain active for like general flyback discussion?

Anthocyanina
Anthocyanina over 1 year ago

Now that the time constraints have been removed, I want to keep working on my portable chaos toy. I started by taking apart the tiny transformer (the hot air station made this super easy) to rewind it with two symmetrical secondaries.

image

image

Now my goal is to power the converter with a rechargeable AAA battery, or if getting a low enough voltage pwm controller is not possible, a single 18650. So, does anyone know of a controller that can do that? 

And well, my second question is if this section remains active in the community, or if this should be used only for the challenge and I should take my questions elsewhere? 

Thank you!

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Top Replies

  • javagoza
    javagoza over 1 year ago in reply to Anthocyanina +3
    If you are doing the winding yourself, you can still add an auxiliary winding to have a higher voltage, enough to power a common pwm regulator you can even use that auxiliary winding for regulator feedback…
  • cstanton
    cstanton over 1 year ago +2
    Anthocyanina said: And well, my second question is if this section remains active in the community, or if this should be used only for the challenge and I should take my questions elsewhere? We typically…
  • jc2048
    jc2048 over 1 year ago +2
    https://www.analog.com/en/products/lt1073.html
Parents
  • Jan Cumps
    Jan Cumps over 1 year ago
    Anthocyanina said:
    And well, my second question is if this section remains active in the community, or if this should be used only for the challenge and I should take my questions elsewhere? 

    Suggestion for flyback and other PSU discussions, outside the contest area:  Blog 

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  • Jan Cumps
    Jan Cumps over 1 year ago
    Anthocyanina said:
    And well, my second question is if this section remains active in the community, or if this should be used only for the challenge and I should take my questions elsewhere? 

    Suggestion for flyback and other PSU discussions, outside the contest area:  Blog 

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  • Anthocyanina
    Anthocyanina over 1 year ago in reply to Jan Cumps

    Thank you! 

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