一种有效的自适应数字DC-DC转换器，具有快速动态电压缩放的双环控制

IEEE Custom Integrated Circuits Conference 2006 Pub Date : 2006-09-01 DOI:10.1109/CICC.2006.321006

Janghoon Song, G. Yoon, Chulwoo Kim

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引用次数: 12

摘要

提出了一种用于动态电压标度的快速自适应数字DC-DC变换器。控制回路对每个功率晶体管采用粗控制和细控制，以提高输出响应时间并降低导通损耗。该器件采用0.18 μ m CMOS工艺制造，占地面积为0.35mm2。输出电压范围为0.76V ~ 1.75V，分辨率为28mV/步，跟踪时间为6.4 mus/V。负载调节良好，效率最高可达94.8%

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An Efficient Adaptive Digital DC-DC Converter with Dual Loop Controls for Fast Dynamic Voltage Scaling

A fast adaptive digital DC-DC converter for dynamic voltage scaling is presented. The control loop employs coarse and fine controls for each power transistor to enhance output response time and to reduce the conduction loss. The device was fabricated using a 0.18-mum CMOS process, occupying an area of 0.35mm2. The output voltage can vary from 0.76V to 1.75V, with a resolution of 28mV/step and a tracking time of 6.4 mus/V. Maximum efficiency of 94.8% is achieved with good load regulation

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IEEE Custom Integrated Circuits Conference 2006

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