V - Cours - Ãcole Polytechnique de Montréal
V - Cours - Ãcole Polytechnique de Montréal
V - Cours - Ãcole Polytechnique de Montréal
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Redresseur pleine on<strong>de</strong><br />
Exemple d’un redresseur pleine on<strong>de</strong><br />
c) Calcul du courant maximum passant dans chaque dio<strong>de</strong><br />
V 2<br />
s<br />
−V<br />
× V<br />
D0<br />
s _ rms<br />
−VD0<br />
Imax<br />
= =<br />
R<br />
R<br />
12 2 − 0.7<br />
⇒ Imax<br />
= = 163mA<br />
100<br />
d) Calcul <strong>de</strong> la tension PIV <strong>de</strong> chaque dio<strong>de</strong><br />
( Tension _ inverse ) = v − v = ( −v −V ) −v<br />
D1 D1 OFF 0 s s D0<br />
s<br />
PIV = ( Tension _ inverse ) = ( V −V ) −( −V<br />
)<br />
D1 D1 D1 OFF, v =−Vs s D0<br />
s<br />
⇒ PIV = PIV = 2V − V = 33.2V<br />
D1 D2 s D0<br />
ELE2302 – Chap. 2 : Dio<strong>de</strong>s - Applications 33<br />
© A. Khouas, 2005<br />
s<br />
Microelectronic Circuits – Fifth Edition<br />
Copyright © 2004 by Oxford University Press, Inc.
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