At 11:45 AM 3/5/03 -0500, PicDude wrote:

>For (3), I've re-verified everything -- using a T130-3 (gray) core with
>23 turns on the primary and 22 on the secondary.
>
>Latest results get me 1.3V at the output, with the LM2588 getting super
>hot till the point that it burned my finger.

This just cries out saying SATURATION.  I don't have data handy for that
core, but right off the bat, go to 55 turns on the primary.  In other
words, put the primary and secondary windings in series.

Start with a lower voltage, if you can.

Are your switchers surviving?  Hope so!

dwayne


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Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
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