PFC with buck converter

Version 1.0.0 (36.9 KB) by Abdelrahman Farghly
While boost converters are more common for PFC applications, buck converters can also be used for Power Factor Correction in special cases
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Updated 10 May 2025

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Working Principle
The buck PFC converter works as:
  • A step-down converter that operates in discontinuous conduction mode (DCM) or continuous conduction mode (CCM).
  • It shapes the input current to follow the input AC voltage (to improve power factor).
  • Controlled using:
  • Average current mode control (digital/analog)
  • Hysteresis current control
  • PI-based voltage loop for output regulation

Cite As

Abdelrahman Farghly (2025). PFC with buck converter (https://au.mathworks.com/matlabcentral/fileexchange/181080-pfc-with-buck-converter), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0