[Soekris] net4801 DC INPUT
Antoine Zen Ruffinen
antoine.zen at gmail.com
Wed Dec 19 17:38:52 UTC 2007
Having a close look to my net 4801, it seem that it use a LM2642 witch
is a step-down switching regulator. The datasheet of it
(http://www.national.com/ds/LM/LM2642.pdf) says that the maximum input
voltage of it is 30V. But if you have a doubt between two maximum value,
use the lowest one ! Anyway, in general, giving the lowest input voltage
to a regulator that you can (but not to close from the lowest limit), is
a good idea. it will ask less effort from the regulator.
Hope it help & Merry Christmas !
Christophe Prevotaux a écrit :
> There is a value for input voltage of the net4801
> on the website of soekris of 6-20VDC but on the PDF manual
> it says 6-28VDC. Which one is correct ?
> is it 20VDC or 28VDC max input voltage ?
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