19 Jan
2010
19 Jan
'10
5:28 a.m.
On Tuesday (01/19/2010 at 03:34AM -0500), Dave McGuire wrote:
On Jan 18, 2010, at 5:00 PM, Chris Elmquist wrote:
Then that means only one of them carries most of the current... True.
I've had very few power supply failures in my life but those that I
have had, were shorted 2N3055's used as pass transistors around 78xx
regulators. So, I have grown to not appreciate that approach either.
Chris
--
Chris Elmquist
Is it fair (as in rational, smart, non-stupid) to
put multiple 7805 in
parallel? Can't say I've ever seen that done. Only the more typical
design of adding a pass transistor to carry more current.
What about balancing problems? They won't be identical from part to
part..