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임정빈(Jeongbin Yim),전재화(Jaehwa Jeon),한대웅(Daewoong Han),강구배(Gubae Kang),임성엽(Seongyeop Lim) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
This paper proposes an optimization of output power stage for DC-DC converter. Firstly, to remove the current sensor of output power stage components, an output current estimation method using output voltage of current transformer is suggested. Secondly, a multi-layer ceramic capacitor is developed and adopted as an output filter instead of a film capacitor. It achieves high performance such as output voltage ripple. With this optimization of the output stage of DC-DC converter, the cost is lower and the size is smaller.