Traditional Culture Encyclopedia - Traditional customs - What is the method to turn 220V AC into 5V DC?
What is the method to turn 220V AC into 5V DC?
There are two common methods.
1) using a transformer, first of all, 220V AC step-down to AC low voltage, and then use the rectifier circuit to convert AC to DC, and finally after the regulator circuit output 5V DC.
2) directly using switching circuits, by the corresponding switching power supply circuit of 220V direct processing output 5V DC.
The two have their own advantages and disadvantages, the first method to get 5V DC power quality is very good, suitable for precision analog circuit power supply; and the second method of conversion efficiency is very high, suitable for high-power application scenarios.
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