On 07-Aug-11 19:23, Electron wrote:
>
> Hi,
> can anyone suggest a good, cheap, IC to make a 8..15V->300V DC-DC convert=
er?
> I wish to have about 50W output, I can go as low as 20W if necessary. It =
is
> for a CDI.
>
> The most important thing is not to have fancy components, transformers ar=
e
> OK as long as they're easy to wind by hand, or commercially available at =
a
> reasonable price.
>
> So far the best I came with is a UC3845 + MOSFET, in flyback topology, us=
ing
> a transformer which doesn't seem too easy to wind nor commercially availa=
ble..
>
> You have alot of experience with this kind of converters.. maybe You have
> something really good to advice.

Why don't you use an off the shelf 12VDC/220VAC converter? Perhaps it=20
even has 300VDC available inside, before the DC/AC conversion. If not,=20
you can always rectify its output.

Djula


>
> Thank You!
>
> Kind regards,
> Mario
>
--=20
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