Xiaofan Chen wrote:
> More theoretical analysis here:
> http://scholar.lib.vt.edu/theses/available/etd-03092002-004940/
> Read Chapter 2 about the low duty ratio's effect to the multi-phase
> buck converter. It applies to single phase synchronous buck
> converter as well.

That's 52 page PDF I don't have time to read now.  If you have valid points,
you should be able to summarize them in a few paragraphs.

> If a transformer is involved (which changes
> the effective duty ratio), high input  voltage can actually be
> an advantage.

I was assuming we were discussing simple DC coupled buck converters with a
switch, inductor, and diode.


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