article · Zenodo (CERN European Organization for Nuclear Research) · 2018

Linear Voltage Regulator Stability Analysis through Phase Margin

Ibrahim, Muhammad Aidil, Mohd Hairi Mohd Zaman, Ibrahim, Ahmad Asrul, Asraf Mohamed Moubark

Cited by 0Open access

Abstract

Most linear voltage regulators require an output capacitor with specific value of internal parasitic element called equivalent series resistance (ESR). This ESR range must be characterized to ensure the stability of the voltage regulator is guaranteed. Instability of the linear voltage regulator such as indicated by excessive overshoot and undershoot of output voltage give negative effect on the electronic devices. Therefore, this study aims to investigate the range of ESR through phase margin measurement. LTspice simulation software was used to simulate a voltage regulator circuit, that contains an adjustable ESR as well as load. This software was also used to assist in the process of detailing the value of ESR and determining the output voltage stability through phase margin measurements. To conclude, this research able to identify the ESR range that need to be used to produce stable output voltage.

Cite this paper

APA 7

Ibrahim, M. A., Zaman, M. H. M., Ibrahim, A. A., & Moubark, A. M. (2018). Linear Voltage Regulator Stability Analysis through Phase Margin. Zenodo (CERN European Organization for Nuclear Research). https://doi.org/10.5281/zenodo.2528378

MLA 9

Ibrahim, Muhammad Aidil, et al. “Linear Voltage Regulator Stability Analysis through Phase Margin.” Zenodo (CERN European Organization for Nuclear Research), 2018, https://doi.org/10.5281/zenodo.2528378.

Chicago

Ibrahim, Muhammad Aidil, Mohd Hairi Mohd Zaman, Ahmad Asrul Ibrahim, and Asraf Mohamed Moubark. 2018. “Linear Voltage Regulator Stability Analysis through Phase Margin.” Zenodo (CERN European Organization for Nuclear Research). https://doi.org/10.5281/zenodo.2528378.

Harvard

Ibrahim, M.A. et al. (2018) ‘Linear Voltage Regulator Stability Analysis through Phase Margin’, Zenodo (CERN European Organization for Nuclear Research). Available at: https://doi.org/10.5281/zenodo.2528378.

BibTeX

@article{ibrahim2018linear,
  title = {{Linear Voltage Regulator Stability Analysis through Phase Margin}},
  author = {Ibrahim, Muhammad Aidil and Zaman, Mohd Hairi Mohd and Ibrahim, Ahmad Asrul and Moubark, Asraf Mohamed},
  journal = {Zenodo (CERN European Organization for Nuclear Research)},
  year = {2018},
  doi = {10.5281/zenodo.2528378}
}

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