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What is the power adapter?

time2006/12/19

The power adapter is also called an external power supply. It is a power supply voltage conversion device for small portable electronic devices and electronic appliances. It is commonly used in mobile phones and small electronic products.
The power adapter is also called an external power supply. It is a power supply voltage conversion device for small portable electronic devices and electronic appliances. It is commonly found in small electronic products such as mobile phones, liquid crystal displays and notebook computers. Its role is to convert the 220 volt high voltage in the home into a stable low voltage of 5 volts to 20 volts that these electronic products can work, so that they can work normally.

Power adapters generally have European regulations, US regulations, British regulations, Australian regulations, and so on.
The first is the British standard: AC plug - UK

The second is the Australian standard: AC plug - AU

The third is the US standard: AC plug - US

The fourth is the European standard: AC plug - EU

From the shape can be distinguished, the national regulations (domestic standards) and the US regulations are similar, the two holes of the plug are missing.

Shenzhen Lianyunda Electronics Co., Ltd. is a high-tech enterprise integrating R&D, production and sales of switching power supplies. Current products include complete AC/DC power supply, substrate type AC/DC power supply, multi-channel isolated output power supply, DC/DC power supply, industrial power supply, power adapter, waterproof power supply, LED power supply, LED driver, supervisor