摘要
给出采用0.8μm 30 V BCDMOS工艺技术的电流模降压型DC-DC转换器的功率级设计,该功率级可以输出3 A负载电流,转换效率可达到92%。主要描述了电流模降压型DC-DC转换器功率级的建模以及功率级电路和版图设计,包括功率晶体管及驱动电路、功率晶体管采样电流及斜波补偿电路,最后给出了该功率级设计的测试结果。
This paper presents a highly power efficient current mode buck DC-DC converter output power stage design implemented in 0.8 μm 30 V BCDMOS technology. The presented power stage is capable of output 3 A load current at a power efficiency approaching 92%. The paper descripts the model of current mode buck DC-DC converter output power stage, circuits and layout details of power switch driver stage, power switch sense, slope compensation are also presented. The results of the work are also presented.
出处
《电子技术应用》
北大核心
2011年第4期48-50,54,共4页
Application of Electronic Technique
