Full-wave current resonant multi-output converters

A new type of isolating multi-output resonant power converter based on the full-wave current resonant technique is proposed. It is shown that a multi-output converter can be realized by controlling the frequency modulation and pulse width modulation independently of each other by using a single power MOSFET. It is found that a zero-current switching circuit must be specially built if the control range is to be broadened. The prototype model of the converter showed numerous advantages. For example, each output shows highly stable output voltage characteristics despite a wide input voltage range and changes in the output current. In addition, the efficiency of the converter in its entirety shows a high value. According to these results, this new multi-output converter has sufficient performance to be used in practical applications. The full-wave current resonant type was found to be most effective in the design of multi-output resonant converters.<
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