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该论文提出了一种双路径DC-DC升压转换器,通过连续输出电流传递和低电压纹波技术,实现了95.2%的高效率。解决了传统升压转换器在输出纹波和效率之间的权衡问题。
Changsik Shin1, Young-Jin Woo1, Minseong Choi1, Se-Hong Park1, Young-Hoon Sohn1, Min-Woo Ko1, Youngsin Jo1, Hyunki Han1, Hyung-Min Lee2, Sung-Wan Hong3, Wanyuan Qu4, Gyu-Hyeong Cho1 KAIST, Daejeon, Korea Korea University, Seoul, Korea 3 Sookmyung Women’s University, Seoul, Korea 4 Zhejiang University, Hangzhou, China 1 2 DC-DC boost converters are widely used to increase the supply voltage in various applications, including LED drivers, energy harvesting, etc. [1-5]. The conventional boost converter (CBC) is shown in Fig. 27.5.1, where the switches S1 and S2 are turned on and off alternately at φ1 and φ2, respectively, and the inductor current (IL) is built up and delivered to the output. There are some critical issues in CBC because the output delivery current (IS) is not continuous. As a result, the IL can be much larger than the load current (ILOAD) as φ1 becomes longer. Since a bulkysize inductor having a low parasitic DC resistance (RDCR) is not usable for mobile
Se-Un Shin1, Yeunhee Huh1, Yongmin Ju1, Sungwon Choi1,