Designing a dynamic ramp with an invariant inductor in current-mode control for an on-chip buck converter

Wen Wei Chen, Jiann-Fuh Chen, Tsorng-Juu Liang, Lu Chi Wei, Wei Yuan Ting

研究成果: Article

20 引文 斯高帕斯(Scopus)

摘要

Designing a dynamic ramp with an invariant inductor in current-mode control for an on-chip Buck converter is proposed in this paper. This configuration maintains system stability under different input/output voltages without changing the inductor and compensation circuit. The dynamic ramp can be adjusted according to the variation in the output voltage or the voltage droop between the input voltage and the output voltage to maintain bandwidth and phase margin using the invariant inductor and compensation circuit. Finally, 14-V input voltage, 12-V output voltage, and 24-W output power with the dynamic ramp sampling the output voltage is implemented using MathCAD predictions, SIMPLIS simulation results, and experimental results to verify its viability and superiority.

原文English
文章編號6491486
頁(從 - 到)750-758
頁數9
期刊IEEE Transactions on Power Electronics
29
發行號2
DOIs
出版狀態Published - 2014 一月 1

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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