Sorry Alexandre, that should have been a
2.2uF cap across the zener diode, otherwise
it will be too slow to startup. :o)
-Roman

Alexandre Guimar=E3es wrote:
>=20
> Hi,
>=20
>     Here we go.. This is the first sketch of the power supply that coul=
d get
> 100V on the input and gives me 5V to drive my CPU and auxiliary circuit.

>                               Name: Fonte100x5.GIF
>                Part 1.2       Type: GIF Image (image/gif)
>                           Encoding: base64

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