摘要： 提出一个为要求大电流低电压供应的新一代微处理器供电的四相DC-DC转换器设计方案。给出单相降压转换器的详细描述,再直接扩展到多相。输出电压精确度和稳定性得到了改善。所提出结构的关键特点是有关其电源完整性的解决方法和四相设计。其性能使之成为新一代CPU电压稳压控制模块有价值的候选者。

关键词: CPU开关电源转换器, 四相设计, 电源完整性

Abstract: This paper presents the design of four-phases DC-DC converter for supplying new generation microprocessors requiring higher current at lower voltages.A detailed description is given with reference to a single-phase buck converter.Extension to multiphase converters is straightforward.Both output voltage accuracy and stability are improved.The key feature of the proposed architecture is the solutions of its power integrity and four-phases design.The performance makes it a valuable candidate for the control of new generation CPU voltage regulator modules.

中图分类号: 

• TP332.2