
The nominal voltage of the power adapter usually refers to the open-circuit output voltage, that is, the voltage value th

The main function of the optocoupler in the circuit is to realize photoelectric conversion, realize isolation, and avoid

In fact, no-load power consumption of a single charger is not large. The People's Republic of China Communication Ind

With the increase of digital products, more and more chargers are available. Many people leave the charger on the socket