A Capacitor-Free, Fast Transient Response CMOS Low-Dropout Regulator with Multiple-Loop Control

摘要：

A CMOS low-dropout (LDO) regulator with an output voltage of 1.8 V and a load current up to 100 mA is presented. By introducing an EA loop uses nested Miller compensation, with a differentiator and a comparator enhancement loops to improve the transient response, this LDO achieves full-load stability without off-chip capacitor, and features high transient and frequency performance. Simulation results show that the LDO output voltage varies within 115 mV and settles within 37 us during line and load transient. It also provides -72 dB power supply rejection (PSR) at 1 kHz.

作者: Xiao Tang Lenian He

作者单位: Institute of VLSI Design, Zhejiang University, Hangzhou 310027, China

会议类型: 国际会议

会议名称: 2011 IEEE 9th International Conference on ASIC(2011年第九届IEEE国际专用集成电路大会)

会议地点: 厦门

会议语种:英文

页码: 116-119

在线出版日期: 2011-10-25（万方平台首次上网日期，不代表论文的发表时间）