There are several popular switching strategies when it comes to switch mode power supplies such as Asynchronous, Synchronous and Synchronous with Diode Emulation. In this video, Dr Seyed Ali Shirsavar from Biricha will explain how these three strategies work based on a Buck topology, what their purpose is, and how to chose the most suitable strategy for your application.

A detailed presentation, including a simple to follow selection flowchart, can be downloaded from here:
https://www.biricha.com/psudfss