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METHOD FOR CONTROLLING LOGICAL LINK CONTROL RESONANT CONVERTER, METHOD FOR CONTROLLING SYNCHRONOUS RECTIFICATION AND DEVICES THEREOF
METHOD FOR CONTROLLING LOGICAL LINK CONTROL RESONANT CONVERTER, METHOD FOR CONTROLLING SYNCHRONOUS RECTIFICATION AND DEVICES THEREOF
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机译:逻辑链路控制谐振转换器的控制方法,同步整流的控制方法及其装置
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摘要
A method for controlling a logical link control (LLC) resonant converter, a method for controlling synchronous rectification and devices thereof are disclosed in the present invention. The method for controlling an LLC resonant converter includes: judging whether the load is working in a predetermined state according to an input switching tube switch-on frequency of the LLC resonant circuit; if yes, enabling the LLC resonant circuit to work in a width modulation control mode, otherwise, enabling the LLC resonant circuit to work in a frequency modulation control mode, wherein the predetermined state includes a light load state or a no-load state. The present invention enables voltage stabilization under the condition that the LLC resonant circuit is light load or no-load, reduces loss of the circuit, simplifies the peripheral hardware circuit effectively, and can be implemented more reliably than the existing technical solutions.
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