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  • DC-DC switch mode question

    Hi Guys, first post here!

    I am working on a rather ambitious project and I have a question about DC - DC switch mode power supplies.

    Roughly, what frequency does the charging MOSFET run at?

  • #2
    Hmmm. No takers?

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    • #3
      About 40-50 Khz

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      • #4
        No worries, thanks for that.

        If the input voltage varies from 14-18 volts (DC), will that effect the output voltage (assuming I want a stable 5 volts at the output.

        The reason for this, is I want to use solar as the input for my project. So, the input voltage may vary slightly.

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        • #5
          the outputs are pretty tightly regulated.
          My OLD 2001 Mitsubishi Eclipse GT:
          "The Project That Never Ended, until it did"


          next project? subaru brz
          carpc undecided

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          • #6
            Thats awesome to hear. Thanks for the info.

            Time to go play

            I'll let you know how it goes.

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