How does a switching mode power supply work, how does a MOSFET work, why is it used instead of other types of transistors, and why are SMPS more efficient than linear power
![boost - Calculate peak input current of switch mode power supply - Electrical Engineering Stack Exchange boost - Calculate peak input current of switch mode power supply - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/LNBtg.png)
boost - Calculate peak input current of switch mode power supply - Electrical Engineering Stack Exchange
![Computer SMPS Switch Mode Power Supply (SMPS) Service, Output Voltage: 5v,12vdc, Input Voltage Range: 100vac To 230 Avc Computer SMPS Switch Mode Power Supply (SMPS) Service, Output Voltage: 5v,12vdc, Input Voltage Range: 100vac To 230 Avc](http://5.imimg.com/data5/SELLER/Default/2022/5/VB/QD/BK/1187423/switch-mode-power-supply-smps-service.jpg)