source:Industry News Popular:adapter release time:2021-11-26 09:36:50 Article author:sznbone
Because of the long-term use of electronic equipment, it may be necessary to purchase a new power adapter in the later period. The adaptation conditions must be determined first, and the parameters of the power adapter are various, so it is not possible to use the adapter for charging at will. Today, let's take a look at the adaption conditions for choosing the power adapter and how to buy it. Computer power adapter
If the product is not tested and affixed with the CE label, the wall-mounted power adapter with Chinese certification will be considered as a counterfeit product. All EU countries will take appropriate measures to counterfeit CE-marked products. And other products of the same manufacturer in Europe are severely punished. Therefore, if the product is tested by some illegal or crude certification body, it will be very dangerous
The application of the power adapter in the notebook computer, the semiconductor integrated circuit (IC) used in the notebook computer requires a DC voltage. The DC voltage is used because the IC cannot work under the AC voltage of 50Hz or 60Hz, and the IC will be reversed voltage (reverse bias voltage). )damage. Generally, the fault voltage of the IC is below DC20V (DC5V～10V). The IC can only work stably within the voltage range of the high-power power adapter specified in the product specifications. Therefore, the voltage of the power adapter that supplies the IC must work within the operating range. Computer power adapter
Since the inside of the power adapter is a switching power supply that works under high voltage and high current, the work load is relatively heavy, and it is a fully enclosed structure. There is no heat dissipation hole on the shell and no internal fan to assist heat dissipation. Therefore, the power adapter is working The internal temperature is high. In the hot summer, you can feel hot to touch the surface with your hands, and the internal temperature is even higher. Therefore, it must be properly maintained and maintained during daily office and entertainment.
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