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应用于TV Tuner的片上LDO设计 被引量：1

Capacitor-less LDO Design Applied in TV Tuner
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摘要 给出了一种应用于电视调谐器(TV Tuner)中的片上低压差线性稳压器(LDO)的设计方案.分别设计了一个瞬态增强型的LDO和一个低噪声高电源抑制比(PSR)的LDO,芯片在0.18μm CMOS工艺下流片,面积分别为0.014mm2与0.045mm2.瞬态增强LDO在负载从0变化到30mA时,输出动态电压变化为100mV;低噪声高PSR LDO 100Hz到100kHz的积分噪声为9.2μV,PSR在1kHz处为-80dB,在1MHz下为-46dB. A capacitor-less LI）O applied in TV Tuner is proposed. A transient enhanced LDO and a low-noise high PSR LEO are separately designed. The chip is fabricated on 0. 18 μm CMOS technology, and the areas are 0. 014 mm2 and 0. 045 mm2. For the transient LDO, when the output current changes from 0 to 30 mA, the output voltage overshoot is 100 mV. For the low-noise high PSR LDO, the integrated output noise from 100 Hz to 100 kHz is 9.2 uV. PSR is --80 dB or --46 dB, when the frequency is 1 kHz or 1 MHz, respectively.
作者 张艺武 王俊宇 唐长文
机构地区 复旦大学专用集成电路与系统国家重点实验室
出处 《复旦学报（自然科学版）》 CAS CSCD 北大核心 2013年第4期492-496,504,共6页 Journal of Fudan University：Natural Science
基金 核高基重大专项(2009ZX01031-002-003-02)
关键词 片上LDO TV TUNER 瞬态增强LDO 高PSR 低噪声 capacitor-less LDO TV tuner transient enhanced high PSR low noise
分类号 TN432 [电子电信—微电子学与固体电子学]
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参考文献8

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二级参考文献8

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复旦学报（自然科学版）
2013年 第4期

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