Fully-Integrated CMOS LDO Regulator Based on an Embedded Current-Mode Capacitor Multiplier

被引：4
|
作者：
Saberkari, A. [2 ]
Martinez, H. [1 ]
Fathipour, R. [2 ]
Alarcon, E. [1 ]
机构：
[1] Tech Univ Catalonia, Dept Elect Engn, Barcelona, Spain
[2] Univ Guilan, Dept Elect Engn, Rasht, Iran
来源：
IEEE LATIN AMERICA TRANSACTIONS | 2015年 / 13卷 / 04期
关键词：
Current-Mode Amplifier; Embedded Capacitor Multiplier; Error Amplifier; Fast Transient; Low-Dropout Regulator; Output-Capacitorless; LOW-DROPOUT REGULATOR; COMPENSATION;
D O I：
10.1109/TLA.2015.7106338
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This article presents a fully-integrated CMOS output-capacitorless low-dropout voltage regulator (LDO). A capacitor multiplier based on a current-mode amplifier is embedded into the error amplifier of the aforementioned LDO to simultaneously enhance the dynamic specifications to load variations, stability by pole splitting, and power saving. The proposed LDO topology is designed and post simulated using a 0.35 mu m CMOS process to deliver a load current between 0-100 mA. The dropout voltage of the LDO is set to 200 mV for 2-3.5 V input voltage. A final benchmark comparison considering all relevant performance metrics is presented.
引用
收藏
页码：919 / 926
页数：8
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