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Thread: Laser power Supplies

  1. #21
    Join Date
    Jan 2006
    Location
    Charleston, SC
    Posts
    2,147,489,446

    Cool

    Quote Originally Posted by dave View Post
    All well designed switch modes have short circuit protection. They will just sit there ticking, as they current limit.....
    I agree. However, I've also learned that not all switchers are well designed. But yeah, just about all of them can handle a direct short these days. It's the older, cheaper ones that you have to watch out for.

    Besides - fuses are cheap!

    Adam

  2. #22
    Join Date
    May 2008
    Location
    nerdtown, USA
    Posts
    1,165

    Default

    Fuses also blow, allowing your power supply to come out of protection and power the rest of your gear- very handy if one of your driver boards fails or a diode goes short or something.

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