This is a basic simulation of a Buck Converter, a type of DC-DC converter used to step down voltage. In the circuit, a 5V DC input is switched using a 1 kHz square wave, producing a pulsed signal. This signal is filtered using an inductor and capacitor to produce a lower, stable DC output of around 2.25V. Buck converters are efficient and widely used in power supply applications for electronic devices. | Electronics Education