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Design of an OP-AMP Based on a LDO Regulator 被引量：4

一种基于LDO线性稳压器的放大器设计(英文)
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摘要 An operational amplifier （OP-AMP） with a ground current of about 0.6μA is presented. Moreover, this amplifier reaps the benefits of incorporating a foldback current limiting circuit,which enables the low-dropout voltage regulator without the need of a special current limiting subblock. Therefore,the object of ultra-low power is realized because of a great reduction in transistors and current limbs. 设计了一种地电流约为0.6μA的基于低压差线形稳压器的放大器电路.此放大器的突出优点是与foldback 限流保护电路融合在一起,使得芯片不需要专门的限流模块,大大减少了电流支路,实现超低功耗.
作者 樊华 冯全源
机构地区 西南交通大学微电子研究所
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2005年第10期1905-1909,共5页 半导体学报（英文版）
基金 国家自然科学基金资助项目(批准号:60371017)~~
关键词 operational amplifier ground current LDO foldback current limiter 运算放大器 地电流 LD0 foldback过流保护
分类号 TN722 [电子电信—电路与系统]
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参考文献5

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二级参考文献7

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共引文献13

同被引文献11

  • 1赖凡.低压差电压调节器技术发展动态[J].微电子学,2004,34(4):411-417. 被引量：10
  • 2杨卫丽,汪西川,邓霜.一种低功耗差动CMOS带隙基准源[J].微计算机信息,2005,21(06Z):120-121. 被引量：14
  • 3吴晓波,李凯,严晓浪.高性能低压差线性稳压器的研究与设计[J].微电子学,2006,36(3):347-351. 被引量：5
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  • 5Li Jianlong,Feng Quanyuan."Audio Power Amplifier Using In Cellular Phone With Improved PSRR"、IEEE Intemation Workshop VLSI Design & Vedio Technobgy Conference、pp87-89,2005
  • 6Wang Hongyi,Lai XinQuan,Li Yushan A piecewise-linear compensated bandgap reference Chinese[J].Jiournal of semiconductor,2004,25(7):771-777
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  • 10陈卢,石秉学,卢纯.一种新型的高性能CMOS电流比较器电路[J].Journal of Semiconductors,2001,22(3):362-365. 被引量：13

引证文献4

二级引证文献5

Journal of Semiconductors
2005年 第10期

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