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For a zero-voltage switching (ZVS) synchronous boost converter, the power stage efficiency undergoes significant limitation when the load is outside the ideal range. In order to achieve optimum efficiency at a range of load conditions, the magnitude of the resonant current must be controlled. The most effective method to control resonant current is to adjust the converter's switching frequency. Though...
Self-tuned projected cross point control for power electronic converters is introduced. Projected cross point control (PCPC) combines the advantages of both analog and digital current-mode control techniques. Despite several advantages, accuracy of the PCPC method depends on the power stage inductor value. However, ferromagnetic characteristics of the inductor core material make the inductor measurement...
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