基于拐点预测的单开/关参考跟踪降压变换器的DVFS应用

2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) Pub Date : 2016-10-01 DOI:10.1109/APCCAS.2016.7803905

Sijie Pan, P. Mok

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引用次数: 1

摘要

本文提出了一种用于DVFS的单开/关参考跟踪降压变换器，该变换器采用基于输出电压拐点的新颖拐点预测方法。分析了确定最优基准跟踪输出电压拐点的方程，并用电流乘法器和分法器电路实现了该方程。此外，还引入了一种新的参考跟踪方案，以避免负载变化引起的输出电压欠冲。在0.13 μm CMOS工艺上进行了仿真，仿真结果表明，该方法具有快速的基准跟踪能力，上基准跟踪为1.48 μs/V，下基准跟踪为1.91 μs/V，有效地减少了欠调和过调问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A single on/off reference tracking buck converter using turning point prediction for DVFS application

This paper proposes a single on/off reference tracking buck converter for DVFS application with a novel turning point prediction based on the turning point of the output voltage. The equation to determine the turning point of the output voltage for optimal reference tracking is analyzed and implemented by a current multiplier and divider circuit. In addition, a new reference tracking scheme is introduced to avoid undershoot of output voltage caused by load change. This work is simulated in a 0.13-μm CMOS process and simulation results show fast reference tracking capability with 1.48 μs/V for up reference tracking, 1.91 μs/V for down reference tracking, and effective reduction of the undershoot and overshoot problem.

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2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS)

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