<br> [MAS.865](../index.html) > [Power](../) > Boost ## Boost Converter #### Efficient Step-Up --- #### Operating Principle Similar to a Buck Converter, we use a PWM cycle to step voltage *up*. To do this, we use the inductor (which has 'electrical inertia') to 'ratchet up' the hill. ![boost-operation](boost-operation.png) ![boost](boost-schematic.png) ![time](boost-time.png) See [this 15 minute explanation](https://www.youtube.com/watch?v=qDeQK5y6rwY) to really understand. Also see [this](http://www.learnabout-electronics.org/PSU/psu32.php). [Typical IC](http://www.ti.com/lit/ds/symlink/lm27313.pdf)