Title: Review — Fundamentals of Power Supply Design by R. C. Mammano

Whether you are a student, a recent engineering grad entering the field of power electronics, or a seasoned power supply designer, Fundamentals of Power Supply Design: Robert A. Mammano

: A significant portion is dedicated to choosing from hundreds of possible circuit topologies and understanding the control algorithms—such as Pulse Width Modulation (PWM), which Mammano is famously credited with pioneering.

While the narrative above covers the concepts, the actual technical document you are looking for is likely: