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Power Adapter.Power Transformer Processor

source:Industry News     Popular:adapter     release time:2021-12-16 10:22:58     Article author:sznbone    

  Power Adapter.Power Transformer Processor(图1)

  The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances. It is generally composed of a shell, a power transformer and a rectifier circuit. According to its input type, it can be divided into AC power adapter and DC power adapter; according to the connection method, it can be divided into wall plug Type power adapter and desktop type power adapter. It is widely used in the equipment such as telephone handsets, game consoles, language repeaters, walkmans, notebook computers, and cellular phones. Computer power adapter

  Input voltage range: It is the range of the mains voltage allowed by the power adapter, and it is also the mains voltage range that guarantees the normal power supply of the power adapter. The larger the range, the better the adaptability. The input voltage range should be AC 100~240V, special reminder: it It is divided into working conditions under two voltage environments of AC 110V and AC 220V. The correct test method is to switch the voltage test when the power adapter stops working.

  The power adapter first appeared in the mid-1980s. Toshiba of Japan took the lead in applying switching power supply technology to the external power supply of notebooks. Its pioneering work created a new page in the history of power adapter development.

  The function of the power adapter is to provide the energy required for the normal operation of the device. It is to supply power to the equipment. Some are external and some are built-in, depending on the application and designer of the device. Because the power adapter has a corresponding over-temperature protection function, the use of the power adapter can protect the equipment from high temperature damage and work stably and reliably. At the same time, it has over-current, over-voltage, and overload protection functions, so that the equipment will not be affected by current and voltage. And other fluctuations.


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