> are you sure ...

I tried. I tried several configs, it does not work. It does not work even
if you use a full sized load (10W resistor) and pick off voltage from it
for a low power load. The output is not DC it is AC made from unfiltered
rectified mains. So you have all the problems of the output of a normal AC
transformer, plus a bridge that has to run at 30kHz plus the oscillator is
not exactly stable so "regulation" is very poor at low load. In the end a
simple iron transformer will be easier to use ...

Peter

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