What's the power adapter?
From the shape will be able to distinguish between the national regulations (domestic standards) and almost the United States regulations, less plug the two holes is it.Shenzhen 31 Seiko technology Co., Ltd. was founded in 2004, is a collection of switching power supply research and development, production, sales as one of the high-tech enterprises. The products include integrated type AC/DC power supply, AC/DC power, substrate type multiple isolated output power supply, DC/DC power, industrial power supply, power adapter, power supply, LED power supply, power supply, security monitoring, LED drive power supply series switching power supply products, widely used in security systems, LED lighting and display, industrial control, data communication, video terminal, commercial equipment etc..
Definition of power adapter:The power adapter (Power adapter) is the power supply equipment transform small portable electronic equipment and electronic appliances, generally consists of a shell, a power transformer and rectifier circuit, according to the type of output can be divided into AC output type and DC output type; according to connection can be divided into the plug wall and desktop. It is widely used in telephone, computer player, game player, language repeater, Walkman, notebook computer, cellular phone and so on.
Power adapter, also known as external power supply, is a small portable electronic equipment and electronic equipment for power supply voltage conversion equipment, commonly used in mobile phones, LCD monitors and notebook computers and other small electronic products.Its function is to convert the 220 volt high voltage in the home to a steady low voltage between 5 and 20 volts, which can work, so that they can work properly.Without it, it will cause a lot of inconvenience for our daily use
It's a small rectifier transformer. For example, laptop power, mobile phone charger, etc., are power adapter. The voltage of 220V AC rectifier, step-down into notebook, mobile phones can be used DC 20V, 19V, 4.5V and other voltage levels
