Conventional control methods include voltage-mode and current-mode control for power supply engineers to learn and study. Hysteretic control topologies and their advantages are less well known. A pure hysteretic control may not be possible for some sensitive engineering applications, such as medical applications. The main practical disadvantage of hysteretic topology in its fundamental form is that switching frequency varies. This is because the switching frequency is not determined by a clock or synchronization signal. Rather, switching frequency is determined by the amount of hysteresis, system delays, and external components of the system. The immediate objective of this research project is to analyze and combine two fundamental control topologies, pulse-width modulation (PWM) and pure hysteretic control, in order to develop a hysteretic-based controller with the speed of pure hysteretic mode and fixed switching frequency.This hysteretic-based controller achieves correction speed equal to pure hysteretic control in part by transferring compensation components from the feedback loop to the power converter stage. The error amplifier was removed as well from the feedback path. As a result, a comparator would perform the functions of an error amplifier and pulse width modulator. Through a passive adder, a synthesized signal was coupled to the minus terminal of the comparator along with the feedback signal from the converter power stage in order to achieve power stage output regulation and fixed switching frequency. On the positive terminal of the comparator, the reference generator was applied. The basic hysteretic-based controller was enhanced with additional components to achieve a solution that can be used in any DC-DC converter application that requires complete control of the power converter.For verification, mathematical modelling and SPICE simulations were performed on the hysteretic-based controller. Finally, a functional prototype was built from standard off-the-shelf components. Key measurements were conducted and compared with simulation results.