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
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MOSFET Current Switch Module 30V 6.5A Power Supply Control Switch Isolated High Current Load|Integrated Circuits| - AliExpress
![pcb - How to properly switch between two power sources with a MOSFET? - Electrical Engineering Stack Exchange pcb - How to properly switch between two power sources with a MOSFET? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/EzEJC.png)
pcb - How to properly switch between two power sources with a MOSFET? - Electrical Engineering Stack Exchange
![Amazon.com: NOYITO 1-Channel MOSFET Switch Module IRF540 Isolated Power Module (1-Channel, Red) : Electronics Amazon.com: NOYITO 1-Channel MOSFET Switch Module IRF540 Isolated Power Module (1-Channel, Red) : Electronics](https://m.media-amazon.com/images/I/81sNG+BQcbL.jpg)
Amazon.com: NOYITO 1-Channel MOSFET Switch Module IRF540 Isolated Power Module (1-Channel, Red) : Electronics
![Push Button ON-OFF Soft Latch Circuits, Battery Powered Touch Toggle ON OFF Switch, Momentary Button MOSFET Power Switch for Microcontrollers Push Button ON-OFF Soft Latch Circuits, Battery Powered Touch Toggle ON OFF Switch, Momentary Button MOSFET Power Switch for Microcontrollers](http://www.mosaic-industries.com/embedded-systems/_media/microcontroller-projects/electronic-circuits/push-button-switch-turn-on/in-rush-limited-high-voltage-push-button-on-off-toggle-power-switch-circuit.png)
Push Button ON-OFF Soft Latch Circuits, Battery Powered Touch Toggle ON OFF Switch, Momentary Button MOSFET Power Switch for Microcontrollers
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P Channel MOSFET to do automatic switch between battery and power source - Electrical Engineering Stack Exchange
![How to Select a MOSFET – Switch Mode Power Supply - Power management - Technical articles - TI E2E support forums How to Select a MOSFET – Switch Mode Power Supply - Power management - Technical articles - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-blogs-components-weblogfiles/00-00-00-03-59/5850.fig2.png)