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对 5~12 V 推挽式开关电容 D C? D C 变换器的性能进行了理论分析及计算机仿真.结果表明,该结构的输出电流可达 1 A 以上,效率优于 75 ％ ,输出电压纹波小于 20 M V,具有高功率密度、便于集成等优点.“,”A theoretical analysis on the performance of 5～12 V push pull switched capacitor DC DC converters is presented and the computer simulation on the device is described. It is concluded that an output current up to 1 A, an efficiency better than 75%and an output voltage ripple less than 20 mV has been achieved for this topology. Furthermore, it features high power density and is easy for integration.