A very-low dropout regulator

The design and simulation of a low-dropout regulator (LDO) with a dynamic biasing circuit, which is used to improve transient response, closed-loop bandwidth and loop gain, is presented in this report. With additional quiescent current utilized by dynamic biasing circuit, the primary LDO achieves fa...

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Main Author: Aung Phyoe Htut
Other Authors: Chan Pak Kwong
Format: Final Year Project
Language:English
Published: 2018
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Online Access:http://hdl.handle.net/10356/74615
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-746152023-07-07T17:35:57Z A very-low dropout regulator Aung Phyoe Htut Chan Pak Kwong School of Electrical and Electronic Engineering DRNTU::Engineering The design and simulation of a low-dropout regulator (LDO) with a dynamic biasing circuit, which is used to improve transient response, closed-loop bandwidth and loop gain, is presented in this report. With additional quiescent current utilized by dynamic biasing circuit, the primary LDO achieves faster transient behavior and loop gain. The benchmark LDO is based on the Q-reduction compensation technique which enhances the stability. In this project, the improved LDO regulator is designed using TSMC 40nm technology. From the comparative simulations results, the additional dynamic biasing circuit in this work has improved transient behavior such as overshoot voltage, undershoots voltage and settling time. The whole LDO consumes quiescent current range from 94.07 ~ 159 μA for the full load current range up to 100mA. It operates at a nominal supply voltage of 1.2V with dropout voltage of 0.2V at the output voltage of 1V. Bachelor of Engineering 2018-05-22T06:18:03Z 2018-05-22T06:18:03Z 2018 Final Year Project (FYP) http://hdl.handle.net/10356/74615 en Nanyang Technological University 53 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering
spellingShingle DRNTU::Engineering
Aung Phyoe Htut
A very-low dropout regulator
description The design and simulation of a low-dropout regulator (LDO) with a dynamic biasing circuit, which is used to improve transient response, closed-loop bandwidth and loop gain, is presented in this report. With additional quiescent current utilized by dynamic biasing circuit, the primary LDO achieves faster transient behavior and loop gain. The benchmark LDO is based on the Q-reduction compensation technique which enhances the stability. In this project, the improved LDO regulator is designed using TSMC 40nm technology. From the comparative simulations results, the additional dynamic biasing circuit in this work has improved transient behavior such as overshoot voltage, undershoots voltage and settling time. The whole LDO consumes quiescent current range from 94.07 ~ 159 μA for the full load current range up to 100mA. It operates at a nominal supply voltage of 1.2V with dropout voltage of 0.2V at the output voltage of 1V.
author2 Chan Pak Kwong
author_facet Chan Pak Kwong
Aung Phyoe Htut
format Final Year Project
author Aung Phyoe Htut
author_sort Aung Phyoe Htut
title A very-low dropout regulator
title_short A very-low dropout regulator
title_full A very-low dropout regulator
title_fullStr A very-low dropout regulator
title_full_unstemmed A very-low dropout regulator
title_sort very-low dropout regulator
publishDate 2018
url http://hdl.handle.net/10356/74615
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