App note: Bootstrap circuit in the buck converter

an_rohm_bootstrap_capacitor

App note from ROHM Semiconductor about bootstrap capacitor used in switching regulator chip. Link here (PDF)

This application note explains the step-up circuit using a bootstrap capacitor. In buck converters, this circuit is used when the highside switch is the N-ch MOSFET.

Leave a comment

Your email address will not be published. Required fields are marked *

Notify me of followup comments via e-mail. You can also subscribe without commenting.