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Title: An ultra-low supply low dropout regulator for internet-of-things applications
Authors: Zhang, Xinyan
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Publisher: Nanyang Technological University
Source: Zhang, X. (2021). An ultra-low supply low dropout regulator for internet-of-things applications. Master's thesis, Nanyang Technological University, Singapore.
Project: ISM-DISS-01892
Abstract: The trend for electronic products is smaller, more portable, multifunctional, wearable and etc. This requires high performance power management to supply for different modules in the chip precisely. Low drop-out (LDO) regulator plays a significant part of on-chip power management, especially in low voltage and low power design, which can be widely used in the IoT applications. In this work, the design of an output-capacitorless ultra-low supply low dropout LDO regulator is presented in TSMC 40nm CMOS technology. It can operate at 0.6V supply and provide 0.4V dc output voltage with a quiescent current of 18.5μA. Besides, this proposed circuit topology can respond fast to the output load step change from 0 to 25mA with 18mV overshoot and 39mV undershoot. Besides, the simulated line regulation is 1.63μV/mV and load regulation is 0.073mV/mA. The proposed regulator is very useful for IoT applications.
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:EEE Theses

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