An electrolytic capacitor-free single stage Buck-Boost LED driver and its integrated solution

@article{Fang2014AnEC,
  title={An electrolytic capacitor-free single stage Buck-Boost LED driver and its integrated solution},
  author={Peng Fang and Yan Fei Liu},
  journal={2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014},
  year={2014},
  pages={1394-1401}
}
For a conventional offline Buck-Boost LED driver, significant low frequency ripple current is produced when a high power factor has been achieved. In this paper, an innovative LED driver technology based on the Buck-Boost topology has been proposed. The featured configuration has greatly reduced the low frequency ripple current without compromising power factor performance. High efficiency and low component cost features have also been retained from conventional Buck-Boost LED driver. A 10W… CONTINUE READING

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