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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhao Ye Zhou Yumei Duan Liye |
| Copyright Year | 2009 |
| Description | Author affiliation: Institute of Microelectronics of Chinese Academy of Sciences, Beijing, 100029, China (Zhao Ye; Zhou Yumei; Duan Liye) |
| Abstract | The quasi-resonant converters can significantly reduce the turn-on losses, but the line voltage feed-forward characteristics are sacrificed in order to get the good transient response in current mode quasi-resonant converters. In this paper, a voltage feed-forward compensation circuit is proposed which effectually resolved above-mentioned problem. Simultaneity, to prevent the possible unstable operation at the large load conditions, an internal synchronized slop compensation circuit is added to the current loop to ensure system stable operation. Based on 1um 40V BCD process, the voltage feed-forward compensation and adaptive slop compensation circuits were designed, the excellent transient response and system stability are obtained eventually. When the output system is 12V/30W, the voltage regulation can be reduced to 0.17% from 0.5% (without voltage feed-forward compensation) and the load regulation is 7.5mV/A with these modules in chip in the same power supply $system^{1}.$ |
| Starting Page | 1129 |
| Ending Page | 1132 |
| File Size | 2212374 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424438686 |
| DOI | 10.1109/ASICON.2009.5351369 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-10-20 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Pulse width modulation Feedforward systems Voltage control Transient response Switching loss Microelectronics Energy management MOSFET circuits Power MOSFET Power supplies Transient Response Quasi-Resonant Adaptive Slop Compensation Feed-Forward Compensation |
| Content Type | Text |
| Resource Type | Article |
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