Reverse recovery is a common problem in a diode.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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(c)
Reverse recovery is a common problem in a diode. It can increase switching losses,
increase forward voltage and induce voltage surge.
(i)
Explain how reverse recovery can increase switching losses in a diode.
(ii)
Figure Q1(c) shows that characteristic of reverse recovery in a diode. Based on
the figure, calculate the peak reverse recovery current I,
I (A)
dls
dt
30 A
Q,,
1 us
3 us
Figure Q1(c): The characteristic of reverse recovery in a diode
Transcribed Image Text:(c) Reverse recovery is a common problem in a diode. It can increase switching losses, increase forward voltage and induce voltage surge. (i) Explain how reverse recovery can increase switching losses in a diode. (ii) Figure Q1(c) shows that characteristic of reverse recovery in a diode. Based on the figure, calculate the peak reverse recovery current I, I (A) dls dt 30 A Q,, 1 us 3 us Figure Q1(c): The characteristic of reverse recovery in a diode
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