source:Industry News Popular:adapter release time:2021-04-19 10:23:08 Article author:sznbone
Is the power supply the same as the power adapter? I believe that many people are not very clear about this and confuse the two. In fact, the power adapter is a power supply device that can supply power according to the needs of electronic products. Let's follow the power adapter manufacturers to learn about it!
Adapter, to be precise, what device adapter should be talked about. For example: mobile phone power adapter, shaver adapter, etc. In short, this is a device. The meaning of power is different. As the name suggests, electricity supply is the source of electricity. There is AC power, such as our common family power supply, to Dali, the national grid. There are DC power sources, such as dry batteries, batteries, etc.
The power adapter is usually used to step up or step down to charge mobile phones or other devices. The power supply is a fixed voltage and rated capacity. The function of the power adapter is to change the voltage, that is, through the rectification and voltage conversion of the power adapter, the apparent AC high voltage is converted into a low voltage DC power source. For example, input: 100-240VAC50-60 Hz output: 12VDC1A-this is to convert high voltage 100≤240V to low voltage 12V.
Generally speaking, there is a nameplate on the power adapter with indicators such as power supply, output input voltage and current marked below. Special attention should be paid to the output voltage range. If the market voltage is only 100 V countries, this feature is very effective. Some imported notebook computers are only sold in the country of origin. There is no such plan. Even a single output voltage of 100 V will be abandoned under the market voltage of 220 V in my country.
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