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中文摘要：
以工作于电感电流连续导电模式（continuous conduction mode ， CM）的单电感双输出（single-inductor dual-output，IDO）Buck 变换器为研究对象，采用时间平均等效电路方法，给出SIDO CCM Buck变换器的直流电压增益及系统的输出/控制、交叉影响、耦合等传递函数。在此基础上，得到一种分析SIDO CCM Buck变换器交叉影响的功率级小信号模型。论文建立电压控制SIDO CCM Buck变换器的闭环小信号模型，分析变换器两路输出负载变化对两路输出支路的交叉影响。最后，通过仿真和实验结果验证理论分析的正确性。
英文摘要：
As the single-inductor dual-output （SIDO） Buck converter in the continuous conduction mode （CCM） for the study, the expressions for DC voltage gains and control to the output transfer function, cross-regulation transfer function and cross-coupled transfer function of the system are derived by the time averaging equivalent circuit approach. Based on this, a power stage small signal model to analyze the cross-regulation of SIDO CCM Buck converters was proposed. With the voltage-feedback controlled SIDO CCM Buck converter as an example, the closed small signal model was established and the cross-regulation was analyzed with changing loads. Finally, the simulation and experiment results show that the theoretical analysis is reliable.
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