In MATLAB, designing a Buck Converter involves several steps to model, simulate, and analyze its behavior. First, the basic topology and parameters of the Buck Converter need to be defined, including the input voltage, output voltage, inductor value, switching frequency, and load resistance. Next, a mathematical model of the Buck Converter can be developed, typically using differential equations that describe the converter's dynamics, including the switch operation and energy transfer processes. This model can be simulated in MATLAB using tools like Simulink, allowing engineers to analyze the converter's transient response, efficiency, and stability under various operating conditions. Additionally, control strategies such as Pulse Width Modulation (PWM) can be implemented to regulate the output voltage and ensure proper converter operation. By iteratively refining the design and control parameters, engineers can optimize the Buck Converter's performance and efficiency in power conversion applications. MATLAB provides a comprehensive platform for designing, simulating, and implementing Buck Converters, enabling engineers to develop robust and efficient power electronics systems for a wide range of applications.