A WIDE INPUT VOLTAGE RANGE, OUTPUT-CAPACITORLESS LINEAR VOLTAGE REGULATOR IN 0.25UM BCD PROCESS

被引：0
|
作者：
Wang, Danhui [1 ]
Zhao, Yuanfu [1 ]
Yue, Suge [1 ]
机构：
[1] Beijing Res Inst Microelect, Beijing 100076, Peoples R China
来源：
2015 CHINA SEMICONDUCTOR TECHNOLOGY INTERNATIONAL CONFERENCE | 2015年
关键词：
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：
Linear voltage regulators are widely used in electronic systems for low noise and precise output voltage. This paper presents an output-capacitorless linear voltage regulator with 5.5V similar to 40V input voltage, 5V output voltage and 100mA load current. The damping-factor-control (DFC) frequency compensation has effectively enhanced the loop stability. A high to low circuit is presented to supply power for the low working voltage bandgap. Finally, the load regulation is 75uV/mA @VIN=40V; line regulation is 0.0019%; quiescent current is 130 mu A @VIN=5.5V and 600 mu A @VIN=40V. The proposed regulator also has fine load transient response.
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页数：4
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