On 10/25/06, Bob Axtell <engineer@neomailbox.com> wrote:
> I. Forse wrote:
> > Take a look at http://www.edn.com/archives/1994/021794/04di2.htm#fig1
> > this uses a high voltage current regulator from IXYS
> >
> I think you will not be able to locate these parts anywhere, because
> these chips didnt hold up.
> Maxim took a stab at this, too, and then quietly faded away.
>

Supertex has some interesting ICs.

I've tested SR036 before and it works fine for its target application.
1) Linear IC low current
http://www.supertex.com/products/selector_guides/107/100

2) "pseudo switch-mode" for pure AC supply
http://www.supertex.com/feature_sr03x.html

Regards,
Xiaofan
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