What is the power adapter used for?
Release time:
2023-06-25
Power adapter, also known as external power supply (switch power adapter), is a type of power transformer for small portable electronic devices and appliances. Its emergence is due to the fact that in practical life, electronic devices often cannot directly use household electricity because the household uses a 220V power supply voltage, while common electronic products generally require a power supply voltage of around 5V to 20V.
Power adapter, also known as external power supply (switch power adapter), is a type of power transformer for small portable electronic devices and appliances. Its emergence is due to the fact that in practical life, electronic devices often cannot directly use household electricity because the household uses a 220V power supply voltage, while common electronic products generally require a power supply voltage of around 5V to 20V.
So the role of the power adapter is crucial (module power supply), especially if the voltage in countries such as the United States is different from that in China, then a 220V to 110V transformer is even more needed.
With it, we can use these electronic products conveniently and safely. So, what is the role of a power adapter?
Composition and application of power adapter (working principle of power adapter)
Power adapters are commonly used in small electronic products such as mobile phones, LCD displays, and laptops. Generally composed of a casing, power transformer, and rectifier circuit, it can be divided into AC output type and DC output type according to its output type; According to the connection method, it can be divided into plug-in wall type and desktop type. It is widely used in telephone slave machine, game machine, language repeater, Personal stereo, notebook computer, cellular phone and other equipment.
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