LED switching power supply selection and use matters needing attention
The high frequency of LED switching power supply is the direction of its development. The high frequency makes the switching power supply miniaturized and makes the switching power supply enter a...
How to distinguish LED switching power supply is constant current and constant voltage
LED switching power supply is generally divided into constant voltage output and constant current output, the former output voltage is constant, the latter output current is constant, so use a...
5 common sense of the maintenance of the power adapter
The power adapter needs to be maintained and cleaned like other products. If we take good care of it, there may be fewer problems and the life of the power supply will be extended. Today, I will...
How to choose a laptop power adapter
When choosing a laptop power adapter, You should pay attention to several aspects: 1. first, the type of socket, the model corresponding to the laptop; 2. then the voltage, the adapter voltage must...