The multi-frequency small-signal model for buck and multiphase interleaving buck converters

@article{Qiu2005TheMS,
  title={The multi-frequency small-signal model for buck and multiphase interleaving buck converters},
  author={Yang Qiu and Ming Xu and Kaiwei Yao and Juanjuan Sun and F. C. Lee},
  journal={Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005.},
  year={2005},
  volume={1},
  pages={392-398 Vol. 1}
}
This paper introduces a multi-frequency small-signal model for buck and multiphase interleaving buck converters. Including the influences from the sideband-frequency components generated by the pulse-width modulation (PWM), this model is applicable beyond half of the switching frequency. In voltage-mode-controlled buck converters, the proposed model predicts the measured phase delay, while the conventional average model fails to explain this phenomenon. With this new model, frequency-domain… CONTINUE READING
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