DocumentCode
1204117
Title
A Fast Transient Recovery Module for DC–DC Converters
Author
Liu, Pang-Jung ; Chiu, Huang-Jen ; Lo, Yu-Kang ; Chen, Yi-Jan Emery
Author_Institution
Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei
Volume
56
Issue
7
fYear
2009
fDate
7/1/2009 12:00:00 AM
Firstpage
2522
Lastpage
2529
Abstract
This paper presents a novel fast transient recovery module to improve the transient response of DC-DC converters to meet the challenging power supply requirement of fast dynamic load changes. The current-pump module operates only at transient state to provide additional current injection and current drain for step-up and step-down loads, respectively. The dual-mode control is proposed to switch the voltage control mode of DC-DC converters to hysteretic control mode during transient. The measurement results show that the fast transient recovery module and dual-mode control can improve the recovery time of DC-DC converters by more than an order.
Keywords
DC-DC power convertors; transient response; voltage control; DC-DC converter; current-pump module; dual-mode control; hysteretic control mode; transient recovery module; voltage control mode; DC–DC converter; slew rate; transient response;
fLanguage
English
Journal_Title
Industrial Electronics, IEEE Transactions on
Publisher
ieee
ISSN
0278-0046
Type
jour
DOI
10.1109/TIE.2009.2017555
Filename
4804792
Link To Document