A typical Switched Mode Power Supply comprises a front-end AC-DC rectifier, generating an unregulated DC input voltage for the switching circuit. A high-frequency PWM (Pulse Width Modulation) drive transforms this DC output into a pulsating square wave through a MOSFET/IGBT switching device. To know more, please visit: https://www.esielectro.com/inside-the-switched-mode-power-supply-smps-a-closer-look-at-the-technology/
