Sampled-data modeling of switching regulators

  title={Sampled-data modeling of switching regulators},
  author={Arthur R. Brown and Robert D. Middlebrook},
  journal={1981 IEEE Power Electronics Specialists Conference},
The high-frequency capabilities of two switching regulator modeling techniques, state-space averaging and discrete modeling, are compared. A new linear, small-signal modeling technique, which combines the continuous form of state-space averaging with the accuracy of discrete modeling, is then developed. This new method, called sampled-data modeling, succeeds, where state-space averaging fails, in predicting the subharmonic instability in current-programmed regulators, and is shown to be of… CONTINUE READING
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