Abstract
The data center will consume huge power in proportion to an amount of data. Thus, the energy saving and management are necessary by high performance power supply system. Although the digital control switching power supply is recognized as the important factor for such a system, the control accuracy, which is one of the important issue of digital control, should be improved for practical application. The purpose of this paper is to improve the control accuracy of digital peak current mode control dc-dc converter. The programmable delay line is additionally implemented and can optimize on-time. The operation principle of proposed method is expressed. The proposed method is validated by simulation and experiment.
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