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Originally Posted by Vector86
For the RC combo I got 100uF and 1kohms at 12v for a 5 sec charge, It charges fine but it jumps right up to 11v when I discharge it and turn the power back on. Also, what voltage should I be seing on Vo?
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I'm an idiot. I figured out what I was doing wrong and the circuit (the charging part at least) works fine now. The biggest part of my problem was that the original values I came up with were completely wrong. After calculating the RC values it works.
r1 = 1k
r2 = 200k
c1 = 1000uF or 1mF