235 views Yuda Electronic (HK) Technology Co.,Limited. 2018-11-20
Whether it is a power adapter or a phone charger, the temperature rise of the power supply itself is an important parameter. So what is the normal temperature for use? Here are some of the relevant knowledge:
First, the reason why the power adapter is hot
When the power adapter is performing voltage conversion, a part of the energy is lost. Except for a small part of the loss in the form of waves, most of it is emitted in a thermal manner. The greater the power of the power adapter, the more energy is lost, and the heat generated by the power supply is greater.
Second, the power adapter heating solution
Power adapter heat is unavoidable, but it can speed up its heat dissipation and prevent its temperature from rising.
1. When using in a high temperature environment, place the power adapter in a place that is not exposed to direct sunlight and is ventilated.
2, create a good cooling environment, the power adapter is placed in a position that is not exposed to sunlight and air.
3. In normal use, how much is the surface temperature normal?
During the development phase of the power adapter, there will be a test evaluation of various parameter performances. Temperature is one of them. Usually, the surface temperature rise of the power adapter is controlled within 30-35 degrees. As we all know, the power adapter is used indoors, then the indoor temperature will generally not exceed 40 degrees, and the normal temperature is around 25 degrees. Then even at a maximum of 40 degrees, the case temperature of the power adapter is also within 75 degrees.
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