【摘要】 讨论了ＢｉＣＭＯＳ工艺和直流开关型变换器工作原理。对直流开关型变换器集成模块进行了ＣＡＤ设计，并给出ＳＰＩＣＥ仿真结果及分析。结果表明，所设计的直流开关型变换器集成模块输出电压稳定、纹波小、工作频率，高、功耗低，且体积小。更多还原

【Abstract】 A BiCMOS DC switching mode converter has been designed. SPICEsimulation of the module has been made . and the results were analyzed. It has been shown that the designed DC switching mode converter has a stable output voltage frequency, small ripple, high operating fre- quency and low power consumption.更多还原