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
![Power supply ON/OFF control and reverse connection protecting circuit (P-ch method) | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA) Power supply ON/OFF control and reverse connection protecting circuit (P-ch method) | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)](https://toshiba.semicon-storage.com/content/dam/toshiba-ss-v3/master/en/semiconductor/application/transmission-management/power-supply-on-off-control-and-reverse-connection-protecting-circuit-p-ch-method_system-block-diagram_1_en.jpg)
Power supply ON/OFF control and reverse connection protecting circuit (P-ch method) | Toshiba Electronic Devices & Storage Corporation | Europe(EMEA)
![arduino - Advice for this P-Channel MOSFET Power Source Selector - Electrical Engineering Stack Exchange arduino - Advice for this P-Channel MOSFET Power Source Selector - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/cg0Ir.png)
arduino - Advice for this P-Channel MOSFET Power Source Selector - Electrical Engineering Stack Exchange
![MOSFET Current Switch Module 30V 6.5A Power Supply Control Switch Isolated High Current Load|Integrated Circuits| - AliExpress MOSFET Current Switch Module 30V 6.5A Power Supply Control Switch Isolated High Current Load|Integrated Circuits| - AliExpress](https://ae01.alicdn.com/kf/H4b70404fbe754ca8890714b76a63abf8x.jpg)
MOSFET Current Switch Module 30V 6.5A Power Supply Control Switch Isolated High Current Load|Integrated Circuits| - AliExpress
![Amazon.com: BOSS Audio Systems R1100MK Car Amplifier and 8 Gauge Wiring Kit - 1100 Watts Max Power, 2-4 Ohm Stable, Class A/B, Monoblock, Mosfet Power Supply, Remote Subwoofer Control : Everything Else Amazon.com: BOSS Audio Systems R1100MK Car Amplifier and 8 Gauge Wiring Kit - 1100 Watts Max Power, 2-4 Ohm Stable, Class A/B, Monoblock, Mosfet Power Supply, Remote Subwoofer Control : Everything Else](https://m.media-amazon.com/images/I/71F40APNXXL.jpg)