A High Step-down Dual Output Non-Isolated DC/DC Converter

被引：0
|
作者：
Mallik, Ayan [1 ,2 ]
Khaligh, Alireza [1 ,2 ]
机构：
[1] Univ Maryland, Elect & Comp Engn Dept, MPEL, College Pk, MD 20742 USA
[2] Univ Maryland, Inst Syst Res, MPEL, College Pk, MD 20742 USA
来源：
2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2017年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents a DC/DC buck-boost converter topology with high voltage gain and dual outputs. Unlike many of the high step-down/step-up DC/DC converters, this topology uses relatively less number of LC components and three active semiconductor devices, switched in a non-overlapping way. In the proposed converter, the overall gains at both the output ports are non-linear functions of duty-cycles of the power devices, which help achieve an overall step-down/step-up gain of 10 to 15. An experimental prototype, converting 48V DC to +/- 5V DC at 100W output power is developed, in order to verify the operation and effectiveness of the proposed converter structure. An output voltage ripple of +/- 1% and a conversion efficiency of 94% are achieved according to the experimental results.
引用
收藏
页码：241 / 246
页数：6
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