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基于开关电容DC-DC转换器的两路主从输出策略
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Affiliation of Author(s):电子信息工程学院

Journal:电子科技

Key Words:DC-DC转换器;双路输出;时分复用;脉冲频率调制;脉冲跳跃调制;线性调整率;负载调整率;

Abstract:传统的多路输出开关电容直流-直流转换器的线性调整率与负载调整率不够理想。针对这一问题,文中采用两路时分复用的输出方法,在控制开关相位交织的情况下,分别对主路和从路进行能量传输,并给出具体的调制策略。该输出策略中,主路采用脉冲频率调制,从路则采用脉冲跳跃调制。同时,文中引入平均频率概念,实现了对驱动能力的量化表征。在Cadence软件下进行电路设计,并进行仿真。仿真结果表明,主路的线性调整率为3.01%,负载调整率为3.54%;从路的线性调整率为3.75%,负载调整率为4.28%。

ISSN No.:1007-7820

Translation or Not:no

Date of Publication:2019-07-12

Co-author:吴涵涵

Correspondence Author:bg

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Education Level:美国仁斯利尔理工学院

Degree:Doctoral Degree in Philosophy

School/Department:College of Electronic and Information Engineering

Discipline:Electrical Circuit and System

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