APPLICATION NOTE 5999

Choose the Right Regulator for the Job: Part 2, Primary Regulator Control Schemes

By: Don Corey

Abstract: This application note is Part 2 of a 3-part series on power regulators and discusses primary regulator control schemes: pulse-frequency modulation (PFM), hysteretic, and constant on-time topologies (COT). A short discussion follows about secondary control such as skip mode.