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36vdc to 24vdc step down power supply

Discussion in 'Beginner Electronics' started by Monte, Feb 1, 2004.

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  1. Monte

    Monte Guest

    x-posted:
    alt.binaries.schematics.electronic
    alt.electronics

    I need a 36vdc to 24vdc step down power supply of some sort for a CNC
    Servo motor control to test/calibrate my servo drivers. Does anyone have
    a schematic I could use? I'd like to be able to run down to Radio Shack
    and get the parts if possible, so I guess simple is better.

    Thanks,
    Monte
     
  2. Mark J.

    Mark J. Guest

    In news:6FdTb.31797$ (Monte):

    Well, it all depends on how much current you need. This site has some
    unique and simple bucking regulators that might be adaptable to your needs:
    http://www.romanblack.com/smps.htm

    To drop 12V using a linear regulator would waste a lot of power as heat and
    require bulky heatsinks. A switching-type regulator would be much more
    efficient.
     
  3. Monte

    Monte Guest

    Thanks Mark,
    I forgot the current part. Might be up to 20A. I'll check out the web
    site you gave.

    Monte
     
  4. Monte

    Monte Guest

    Thanks Mark,
    I forgot the current part. Might be up to 20A. I'll check out the web
    site you gave.

    Monte
     
  5. For short tests use a couple of 12V car batteries in series.
    Cheapest way.
    Ghost Chip
     
  6. dont know

    dont know Guest

    There are dc-to-dc converters available. 48v dc convertes have an
    input range of 36vDC to 60vDC. you will have to google for
    them.
     
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