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power supply

Discussion in 'General Electronics Chat' started by tibbles, Oct 23, 2008.

  1. tibbles

    Thread Starter Active Member

    Jun 27, 2008
    249
    3
    i am replacing a 2.5 amp mains power supply. why have many recent single output voltage supplies ,become switching power supplies?
    looking a bit further the input voltage is variable.
    anyone clarify this trend a little?

    many thanks
    doug
     
  2. blocco a spirale

    AAC Fanatic!

    Jun 18, 2008
    1,535
    412
    Cheaper to make, more efficient, smaller and lighter than the equivalent output linear version, cheaper to transport. Also, they can work from a much wider range of input voltage (110V - 240V) so the same device can be sold anywhere in the world.
     
  3. tibbles

    Thread Starter Active Member

    Jun 27, 2008
    249
    3
    thanks for that blocco,
    doug
     
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