Hey everyone
I have a question about the diode equation, and temperature effects.
According to the diode equation, at a constant forward current, the diode
forward voltage drop should increase as temperature increases.
However, we know from practice, that in reality the forward voltage drop
decreases at higher temperatures (the opposite of what the equation
predicts).
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The diode equation is
Current = Is * [ exp (voltage / (n Vt)) -1 ]
where Vt = k * temperature / Q
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What am I missing? Is the diode equation wrong?
Thanks.
-Eugene
