Phone charger

Discussion in 'Electronics Resources' started by Garurumon, Aug 8, 2013.

  1. Garurumon

    Thread Starter Member

    Mar 17, 2013
    99
    1
    I noticed that Nokia chargers have no internal SMPS chip to control the duty cycle, and yet they regulate the voltage via flyback smps topology, and I would really like to understand how that work.

    Anyone has a circuit diagram of some charger (and maybe some comment on it) that works like that? I wasn't able to find any on google.

    Sorry for bad english :)
     
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