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HOW DO I REDUCE 12 VOLTS TO 6 VOLTS

Discussion in 'Electronic Basics' started by Guest, Jan 21, 2005.

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  1. Guest

    Guest Guest

    Im trying to reduce a 12v DC power supply down to 5v DC to power a computer
    CD-Rom.

    Can any1 help me???

    Thanx
    Gareth
     
  2. Graham Knott

    Graham Knott Guest

  3.  
  4. Power requirements of computer CD-ROMplayers differ widely. The heaviest one
    I have in front of my says it requires 5V/1.5A and 12V/1.5A. Another one
    wants only 5V/1A en 12V/400mA. So you'd better find out first what you
    really need.

    The most simple way to make 5V out of 12V is using an 7805. Of course you
    need a type that can provide the output current you need and you will have
    to provide some some thorough heatsinking. You may have to throw away over
    10W of energy.

    petrus bitbyter
     
  5. HKJ

    HKJ Guest

  6. JeB

    JeB Guest

    I don't know about .za but used computer power supplies can be had for
    almost free around here ... you'd get your 5v and anything else you
    might need.
     
  7. Bill Bowden

    Bill Bowden Guest

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