Re: 100VDC to 13.5VDC simple switcher
- From: Rich Grise <rich@xxxxxxxxxxx>
- Date: Sun, 03 Dec 2006 02:10:30 GMT
On Fri, 01 Dec 2006 22:55:43 -0500, mri_bob wrote:
i want to build a dc-dc converter that will handle higher input voltages
than the common 72v limit of modules or the 60v limit of the "simple
switcher" line. i would prefer not to need a preregulator stage, so what i
really want is an LM2576HV that would work with an input range of 30v-100v
and provide 13.5VDC @1-2A. I would much prefer a boost converter topology
using a torroid over a transformer i have to wind. any ideas? and thanks
in advance.
Pardon my ignorance, but what exactly is the advantage of using a boost
converter to go from 30~100VDC to 13.5VDC?
I thought "boost" meant to _increase_ the voltage above the input voltage.
Or does the choice of topology have something to do with line
regulation/input voltage range/something like that?
Thanks,
Rich
.
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