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一种低噪声、高电源抑制的低压降稳压器 被引量：1

A Low Noise,High PSR,Low Dropout Linear Regulator
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摘要 实现了一种低噪声、高电源抑制(PSR)的低压降线性稳压器。设计了一个新型的低温度系数高电源抑制的带隙基准源,这个基准源可以为稳压电路提供参考电压。采用带有低通滤波器的预调制电路来降低稳压器的输出噪声和高频电源行波干扰。测试结果表明,该稳压器的线性调整率为0.57mV/V,负载调整率为0.1mV/mA,100kHz下的交流电源抑制为-60dB。在10Hz～1MHz频率范围内,仿真得到的总输出噪声只有4μVrmss。该稳压器采用上华CSMC0.6μm、5V混合信号CMOS工艺设计,有效芯片面积为600μm×560μm。 A low noise, high power supply rejection （PSR） low-dropout regulator is presented. A novel bandgap reference with low temperature （TC） and high PSR is designed to provide reference voltage for the regulator, a pre-regulator with low-pass filter is introduced to decrease the noise and improve the PSR in high frequency. Measurement shows the regulator achieves line regulation of 0. 57 mV/V, load regulation of 0.1 mV/mA and PSR of -60 dB at 100 kHz. The simulated total noise from 10 Hz to 1 MHz is only 4 μ V It is fabricated by using CSMC 0. 6 μm, 5 V mixed-signal CMOS process with the effective chip area of 600 μm×560 μm.
作者 李景虎 王永生 喻明艳
机构地区 哈尔滨工业大学微电子中心
出处 《固体电子学研究与进展》 CAS CSCD 北大核心 2008年第2期284-288,共5页 Research & Progress of SSE
关键词 电源抑制 低压降稳压器 预调制电路 带隙基准源 power supply rejection low droupout regulator pre-regulator bandgap reference
分类号 TN432 [电子电信—微电子学与固体电子学]
  • 相关文献

参考文献8

  • 1来新泉,解建章,杜鹏程,孙作治.利用动态密勒补偿电路解决LDO的稳定性问题[J].固体电子学研究与进展,2005,25(3):385-390. 被引量：10
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二级参考文献13

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共引文献23

同被引文献8

  • 1Gupta V, Rincon-Mora G A, Raha P. Analysis and design of monothic, high PSR, linear regulator for SOC Application I-C]. Proceeding of IEEE SOC Conference, Santa Clara, 2004: 311-315.
  • 2Gupta V, Rincon-Mora G A. A low dropout, CMOS regulator with high PSR over wideband frequencies [C]. Proceedings of IEEE International Symposium on Circuits and Systems , 2005 :4245-4248.
  • 3Hoon S K, Chen S, Maloberti F, et al. A low noise, high power supply rejection low dropout regulator for wireless system-on-chip applications[C]. Proceeding of IEEE Custom Integrated Circuit Conference, 2005: 759-762.
  • 4Wonseok Oh, Bertan Bakkaloglu, Bhaskar Aravind, et al. A CMOS low-noise, low-dropout regulator for transceiver SOC supply management[C]. Proceeding of System-on-chip Conference, Austin, 2006: 7-11.
  • 5Oh Wo, Bakkaloglu B, Aravind B, et al. A low 1/f Noise CMOS low-dropout regulator with current- Mode feedback buffer amplifier [C]. Proceeding of Custom Integrated Circuit Conference, 2006: P-3-1- P-3-4.
  • 6Rincon-Mora G A, Allen P A. A low-voltage, low quiescentcurrent, low drop-out regulator [J]. IEEE Journal of Solid State Circuits, 1998; 33 (1) : 36-44.
  • 7Books T, Westwisk A L. A low-power differential CMOS bangdap reference[C]. Proceeding of International solid-state circuit conference, 1994: 248-249.
  • 8李景虎,王永生,来逢昌.一种低工艺敏感度,高PSRR带隙基准源[J].固体电子学研究与进展,2008,28(4):602-606. 被引量：3

引证文献1

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固体电子学研究与进展
2008年 第2期

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