多相稳压器动态相数控制的功率损耗分析

2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition Pub Date : 2009-03-21 DOI:10.1109/APEC.2009.4802640

W. Qiu, C. Cheung, S. Xiao, G. Miller

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引用次数: 25

摘要

为了提高在大负载范围内的效率，动态调整多相稳压器的工作相数是很重要的。详细分析了同步多相降压变换器的功率损耗分布，确定了不同负载条件下的最优相数。实验结果验证了理论结果。

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Power Loss Analyses for Dynamic Phase Number Control in Multiphase Voltage Regulators

To improve efficiency over a wide load range, it is important to dynamically adjust the operational phase number in multiphase voltage regulators. This paper analyzes in detail the power loss profile of a synchronous multi-phase buck converter and defines the optimal phase number under different load conditions. Experimental results are provided to verify the theoretical results.

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2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition

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