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A high-frequency, low volume, point-of-load power supply for distributed power systems

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2 Author(s)
Casey, L.F. ; Dept. of Electr. Eng. & Comput. Sci., MIT, Cambridge, MA, USA ; Schlecht, M.F.

A resonant version of the DC-DC forward converter is presented in which both the primary-side switch and the secondary-side diode are either on or off at the same time. Such a topology is capable of operation in the 10-MHz range, and can be used for very-low volume point-of-load conversion in distributed power systems. This type of converter takes advantage of a very low transformer leakage inductance to achieve zero-voltage switching of all its power semiconductor devices. Its resonant ring is also independent of load current. A 50-W prototype operating at 3.6 MHz is presented along with a discussion of the changes necessary to achieve 10 MHz

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Power Electronics, IEEE Transactions on  (Volume:3 ,  Issue: 1 )