VRM電壓調節模組補償電路研究及應用

VOLTAGE REGULATOR MODULE COMPENSATOR RESEARCH AND APPLICATION

林青賢(Lin Ching-Hsien)

指導教授 ： 黃英哲

元智大學/工程學院/電機工程學系/碩士(2004年)

摘要

本論文主要在經由建立VRM小訊號模型並分析及討論其特性之後，利用虛擬儀表圖控軟體LabVIEW建立一套應用程式來輔助電源設計者在開發與設計類似VRM之電源轉換器時，可以快速地得到模擬的轉換器閉迴路頻率響應特性曲線。
經過與實際量測的特性曲線做比對及修正相關參數後，得到一個近似於實際結果的模擬程式。再利用電腦快速運算的特性，模擬出各種不同的輸出電壓配合輸入電壓、負載電流的變動範圍而得到的完整閉迴路頻率響應特性曲線，來快速判斷及設計VRM迴路補償電路。

關鍵字

電壓調節模組 ； 降壓式電源轉換器 ； 補償器

並列摘要

This thesis proposes that after build VRM small signal model, besides analysis and discuss its characteristics, we can use LabVIEW software to create an application program which can help power supply designer to quickly get the simulated close-loop transfer function curve while develops and designs the converter like as VRM.
After compare with the real transfer function curve and correct related parameter of the program, we can obtain a simulated program similar to real one. And base on computer’s speed up mathematic speed characteristic, we can simulate four corner transfer function curves with different conditions which have all kinds of output voltages vs. input voltages and output loads, this will contribute to quickly determine and devise the VRM loop compensation circuitry.

並列關鍵字

VRM ； Buck converter ； compensator

參考文獻

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