| 低压降CMOS稳压器的电源噪声抑制分析 |
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| 引用本文： | 胡建赟,何艳,黄晨灵,闵昊.低压降CMOS稳压器的电源噪声抑制分析[J].微电子学,2006,36(6):714-717. |
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| 作者姓名： | 胡建赟 何艳 黄晨灵 闵昊 |
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| 作者单位： | 复旦大学,专用集成电路与系统国家重点实验室,上海,201203 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过对低压降CMOS稳压器工作原理的分析,给出了一种频域分析模型。基于此模型,对低压降稳压器的电源噪声抑制进行了分析和研究,得到了低压降稳压器在频域的传递函数;依据此传递函数,给出了改善电源噪声抑制的方法。此外,给出了几种有效提高电源噪声抑制的方法和电路。
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| 关 键 词： | 低压降稳压器 电源噪声抑制 电源管理系统 |
| 文章编号： | 1004-3365（2006）06-0714-04 |
| 收稿时间： | 2006-02-13 |
| 修稿时间： | 2006-02-132006-04-26 |
Analysis of Power Supply Rejection of Low Dropout CMOS Regulator |
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| HU Jian-yun,HE Yan,HUANG Chen-ling,MIN Hao.Analysis of Power Supply Rejection of Low Dropout CMOS Regulator[J].Microelectronics,2006,36(6):714-717. |
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| Authors: | HU Jian-yun HE Yan HUANG Chen-ling MIN Hao |
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| Abstract: | A frequency-domain analytical model is given based on the operational principle of low dropout CMOS regulator.And the power supply rejection(PSR) of low dropout regulator is analyzed and studied based on this model.The transfer function in frequency-domain is obtained,and methods to improve PSR are developed.More-(over),several other methods and circuits are described to improve PSR. |
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| Keywords: | Low dropout regulator Power supply rejection Power management system |
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