Dec 4, 2013 #1 F fences Junior Member level 3 Joined Feb 7, 2011 Messages 25 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,453 Hello, I used very simple power supply for my circuit that used a micro-controller. in my board exists 7812 for stabilization. is it suitable fr micro? If i use it, what problems may be occur? thanks.
Hello, I used very simple power supply for my circuit that used a micro-controller. in my board exists 7812 for stabilization. is it suitable fr micro? If i use it, what problems may be occur? thanks.
Dec 4, 2013 #2 crutschow Advanced Member level 6 Joined Feb 22, 2012 Messages 4,515 Helped 1,002 Reputation 2,002 Reaction score 1,145 Trophy points 1,393 Location Colorado USA Zulu -7 Activity points 25,677 That will work if the micro operated on 12V. Since most operate on 5V and 12V would zap them, you could use a 7805 instead which gives a regulated +5V.
That will work if the micro operated on 12V. Since most operate on 5V and 12V would zap them, you could use a 7805 instead which gives a regulated +5V.
Dec 4, 2013 #3 F fences Junior Member level 3 Joined Feb 7, 2011 Messages 25 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,453 what a bout ripple voltage? Could be better by increase cap value? like 1000 uF?
Dec 5, 2013 #4 Golden Electronics Full Member level 5 Joined May 31, 2013 Messages 308 Helped 50 Reputation 100 Reaction score 47 Trophy points 1,318 Location India Activity points 2,730 Add one more 0.1 uf disc type capacitor also
Dec 5, 2013 #5 crutschow Advanced Member level 6 Joined Feb 22, 2012 Messages 4,515 Helped 1,002 Reputation 2,002 Reaction score 1,145 Trophy points 1,393 Location Colorado USA Zulu -7 Activity points 25,677 fences said: what a bout ripple voltage? Could be better by increase cap value? like 1000 uF? Click to expand... Depends upon how much current you need.
fences said: what a bout ripple voltage? Could be better by increase cap value? like 1000 uF? Click to expand... Depends upon how much current you need.
Dec 5, 2013 #6 Borber Advanced Member level 5 Joined Dec 31, 1999 Messages 1,600 Helped 236 Reputation 474 Reaction score 111 Trophy points 1,343 Location on third flor Activity points 11,863 FAQ to learn electronics does not exist.