Dual-Current Pump Module for Transient Improvement of Step-Down DC-DC Converters

被引：26
|
作者：
Liu, Pang-Jung [1 ]
Lo, Yu-Kang [2 ]
Chiu, Huang-Jen [2 ]
Chen, Yi-Jan Emery
机构：
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Grad Inst Elect Engn, Tainan 10617, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 10617, Taiwan
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2009年 / 24卷 / 3-4期
关键词：
Current pump; dc-dc converter; transient response;
D O I：
10.1109/TPEL.2008.2010322
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 a novel dual-current pump module (DCPM) to improve the transient response of dc-dc converters. The DCPM operates only during transient to provide two additional current injections for step-up load and current drains for step-down load. Due to the two current pump paths, the current stress on the switches of the DCPM is also reduced. The measurement results show that the DCPM can enhance the dynamic recovery time of the buck dc-dc converter by more than an order.
引用
收藏
页码：985 / 990
页数：6
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