Practical design considerations of current sharing control for parallel VRM applications

@article{Qiu2005PracticalDC,
  title={Practical design considerations of current sharing control for parallel VRM applications},
  author={Weihong Qiu and Zhixiang Liang},
  journal={Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005.},
  year={2005},
  volume={1},
  pages={281-286 Vol. 1}
}
For high end sever applications, several voltage regulator modules (VRM) operate in parallel to provide high power for the multiple-processors system. Due to tight voltage tolerance requirement and fast dynamic load characteristics of processors, the proper design of current sharing circuit is very important for this application. In this paper, several application issues are discussed, and a simplified small signal model and simple design method are included 
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