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THREE-LEVEL DC-DC CONVERTER AND VOLTAGE BALANCING CIRCUIT THEREOF
THREE-LEVEL DC-DC CONVERTER AND VOLTAGE BALANCING CIRCUIT THEREOF
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机译:三电平DC-DC转换器及其电压平衡电路
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摘要
A three-level DC-DC converter can include: first and second switches successively coupled between a first terminal of an input port and a middle terminal; third and fourth switches successively coupled between the middle terminal and a second terminal of the input port; a flying capacitor coupled between a common node of the first and second switches and a common node of the third and fourth switches; and a voltage balancing circuit configured to adjust a charge amount or a discharge amount of the flying capacitor based on an error signal characterizing an error between a voltage across the flying capacitor and a predetermined value, in order to maintain the voltage across the flying capacitor within a predetermined range, where the predetermined value is within the predetermined range.
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