source:Industry News Popular:adapter release time:2021-12-18 10:28:13 Article author:sznbone
The power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It puts the power supply externally and connects to the host with a line, which can reduce the size and weight of the host. Only a few devices and electrical appliances have the power supply built in the host. Inside. European power adapter
First, it can enhance the design of the input/output filter circuit, improve the performance of the active power factor compensation (APFC) circuit, reduce the voltage and current rate of change of the switch tube, rectifier, and freewheeling diode, and use various soft switching circuit topologies. Structure and control methods, etc.; on the other hand, strengthen the shielding effect of the case, improve the leakage of the gap of the case, and conduct a good grounding treatment.
Since the inside of the power adapter is a switching power supply that works under high voltage and high current, the workload 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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