双二次降压变换器的分析

F. L. de Sá, D. Ruiz-Caballero, S. A. Mussa
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引用次数: 5

摘要

本文对DC-DC双二次降压变换器进行了分析。与传统的Buck变换器相比,该变换器具有静态增益高的优点。拓扑对称性使开关上的应力电压降低到传统二次Buck变换器的一半,简化了变换器的建模。对连续、临界和不连续导通模式进行了分析,并给出了导通模式之间的边界曲线。最后通过仿真和实验结果验证了理论分析的正确性。
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Analysis of the double quadratic buck converter
The analysis DC-DC Double Quadratic Buck Converter is presented in this paper. This converter has the advantages of high static gain compared to the conventional Buck Converter. The topological symmetry reduce the stress voltage over the switches to half of the value compared with the conventional Quadratic Buck Converter and simplifies the modeling of the converter. The analysis is made for continuous, critical and discontinuous conduction mode and boundary curve between the conduction modes is shown. Finally, the simulation and experimental results are presented to prove the theoretical analysis.
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