On 22 Apr 2012 at 20:16, Tony Duell wrote:
It has many advantages (including the fact it
doesn';t put an almighty
glitch onthe supply line when it switches), but it may be a little
more 'fragile' than the bipoler one. Without checking, I am not sure
of its output current specification either, the bipolar 555 can drive
quite heavy load.
C555, IIRC, is rated at 100 ma. Good enough for a lot of things.
--Chuck