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Modeling, analysis, and application of buck converters in discontinuous-input-voltage mode operation

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3 Author(s)
Lee, Y.S. ; Dept. of Electron. Eng., Hong Kong Polytech. Univ., Kowloon, Hong Kong ; Wang, S.J. ; Hui, S.Y.R.

By adding a suitable LC filter to the input of a buck power converter, it is possible to force the converter into discontinuous-input-voltage mode operation. A buck power converter in this mode of operation has useful properties such as power factor correction and soft turn-off switching. The operation, modeling, low-frequency behavior, and application of the power converter are studied. Experimental results verifying the theoretical predictions are also presented

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Power Electronics, IEEE Transactions on  (Volume:12 ,  Issue: 2 )