Buck-boost converter

Version 1.0.0 (31.2 KB) by Abdelrahman Farghly
The output voltage needs to be higher or lower than the input voltage and possibly inverted.
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Updated 30 Apr 2025

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Operating States
1. Switch ON:
  • Inductor stores energy
  • Diode is reverse-biased
  • Load is powered by the capacitor
2. Switch OFF:
  • Inductor releases energy to load through diode
  • Capacitor charges
  • Load receives current from inductor and capacitor
Applications
  • Battery-powered devices (when voltage can vary)
  • LED drivers
  • Power management in embedded systems
  • Renewable energy systems (solar, fuel cells)
Advantages
  • Can both step up and step down voltage
  • Simple topology
  • Efficient over a wide voltage range

Cite As

Abdelrahman Farghly (2026). Buck-boost converter (https://uk.mathworks.com/matlabcentral/fileexchange/180929-buck-boost-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