Re: Switching power supply question

John Larkin wrote:
On Sat, 23 Feb 2008 10:42:48 -0800 (PST), wabehtdieh@xxxxxxxxxx wrote:

A swithing supply is a feedback control system. Therefore why doesn't
it oscillate when you put a capacitive load on it? It should bugger up
the phase margin.

Wab

Probably because some clever person designed the loop so that it
becomes more stable as you add capacitive loads.


Does that mean there can't be many clever persons in groups tasked with LDO design? SCNR ...

--
Regards, Joerg

http://www.analogconsultants.com/
.

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