The conceptual circuit diagram of the 4-switch buck/boost converter, how diodes are represented that are replaced by switches, and how the buck and boost modes work <a href="https://en.wikipedia.org/wiki/Buck%E2%80%93boost_converter" class="extiw" title="en:Buck–boost converter">Buck%E2%80%93boost_converter</a>
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: vectorization
<a href="//commons.wikimedia.org/wiki/File:Basics_of_the_4-switch_buck-boost_converter.png" title="File:Basics of the 4-switch buck-boost converter.png">File:Basics of the 4-switch buck-boost converter.png</a> by <a href="//commons.wikimedia.org/w/index.php?title=User:PotatoEater&amp;action=edit&amp;redlink=1" class="new" title="User:PotatoEater (page does not exist)">PotatoEater</a>