Transient-enhanced Output-Capacitorless CMOS LDO Regulator for Battery-operated Systems

被引：0
|
作者：
Perez-Bailon, J. [1 ]
Marquez, A. [1 ]
Calvo, B. [1 ]
Medrano, N. [1 ]
机构：
[1] Univ Zaragoza, Elect Design Grp GDE I3A, Zaragoza, Spain
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2017年
关键词：
Voltage regulator; low dropout regulator (LDO); CMOS design; System-on-Chip (SoC); power management; portable measurement devices; VOLTAGE;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a low-power fully integrated 0.18 mu m CMOS Low-Dropout (LDO) Voltage Regulator for battery-operated portable devices. A single stage high-gain telescopic cascode-compensated amplifier is used to attain good static performances, while thanks to a very simple dynamic bias circuit, transient performances are significantly enhanced with no quiescent current penalty. Results validate a 1.8 V output voltage from a 3.6 V to 1.9 V battery input voltage, delivering a load current of 50 mA over a 100 pF load. The quiescent current is only 7 mu A, the line and load regulation are respectively 0.159 mV/V and 0.017 mV/mA, and settling times are lower than 4.6 mu s at full load transient.
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页码：2639 / 2642
页数：4
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