System-order reduction for stability improvement in a two-stage DC-DC converter with low-voltage/high-current output

被引：0
|
作者：
Abe, S [1 ]
Ninomiya, T
Yamamoto, J
Uematsu, T
机构：
[1] Kyushu Univ, Dept Elect & Elect Syst Engn, Grad Sch Informat Sci & Elect Engn, Fukuoka 8128581, Japan
[2] TDK Corp, Ichikawa 2728558, Japan
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2004年 / E87C卷 / 06期
关键词：
inductorless two-stage converter; system order reduction; bandwidth; stability improvement; transient response;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents the improvement of the transient response and stability for a two-stage DC-DC converter by removing the output inductor. The conventional two-stage converter consists of a buck converter used as the first stage and a half-bridge converter used as the second stage. The proposed circuit topology removing the output inductor and the conventional topology are compared. Removing the output inductor results in the system-order reduction of the transfer function. As a result, the stability is improved. and the crossover frequency of the open-loop transfer function becomes higher. The effectiveness of the proposed circuit topology was experimentally confirmed.
引用
收藏
页码：985 / 989
页数：5
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