Published: 8 April 2022
The main difference between a switch mode power supply and a linear power supply is that the former uses switches to control the flow of energy, while the latter uses resistors to control the voltage output. This means that switch mode power supplies are more efficient than regulated power supplies, as the resistors in the linear regulator dissipate the extra energy in the form of heat. However, switched mode power supplies generate noise due to the high-speed switching process, so it's important to choose the right type of power supply for your application.
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