Title :
Refined small-signal model in DCM for constant off-time control
Author_Institution :
Hyundai Electron. Ind. Co. Ltd., Kyoungki, South Korea
fDate :
8/6/1998 12:00:00 AM
Abstract :
The conventional small-signal model in the discontinuous conduction mode for constant off-time control becomes increasingly inaccurate as the conversion ratio increases. A new model is proposed which takes account of the fact that the switching interval is not constant
Keywords :
PWM power convertors; equivalent circuits; nonlinear network analysis; switching circuits; constant off-time control; conversion ratio; discontinuous conduction mode; nonconstant switching interval; small-signal model;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19981104