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An Improved PMOS-Based Low Dropout Regulator Design for Large Loads by Saha, Arijit; Biswas, Ayan; Dhabal, Supriya; Venkateswaran, Palaniandavar is a scholarly article available to read on EtoBox.

What is An Improved PMOS-Based Low Dropout Regulator Design for Large Loads about?

A stable low dropout (LDO) voltage regulator topology is presented in this paper. LDOs are linear voltage regulators that do not produce ripples in the DC voltage. Despite the close proximity of the supply input voltage to the output, this regulator will maintain the desired output voltage. Based on a detailed comparison between NMOS and PMOS-based LDOs, we decided to opt for a PMOS design because it does not require an additional charge pump as compared to NMOS. A demonstration of how Miller capacitance enhances overall design stability is also presented here. Multiple pass elements are arranged in parallel in order to increase the current carrying capacity of the pass network.

Author

Saha, Arijit; Biswas, Ayan; Dhabal, Supriya; Venkateswaran, Palaniandavar

Published

2022

Language

EN