Switch DC power supply is what it means
Switch is a diode circuit, the grid voltage when the corresponding diode will automatically shut down, the voltage is too low will open, of course, this also depends on a variety of other components of the auxiliary can be so controlled. Simple metaphor is that the toilet toilet water, when the light will automatically add water, when the time will automatically turn off the same.
Commonly speaking, switching power supply is AC rectifier filter, and then through the crystal switch and a certain voltage regulator circuit, the switching transformer output high frequency voltage and current, rectified filter output stable DC power supply. "Best answer"
Switch is the rectifier to get a way to switch the rectifier commonly used switch IGBT MOSFIT, etc. (linear power is rectifier bridge rectifier) DC is the output of the DC voltage is the mains is 220V AC regulator is the output voltage is Stable DC rather than square wave or sawtooth what ~ ~ basically so much ~ ~ ~
Should be a "DC switching power supply," refers to a voltage conversion power supply circuit, the main component is a transformer and a "open and close" function of the transistor, transformers and transistors in series in the circuit, the DC through the transistor " Open and close "state to form a pulse voltage on the circuit, the pulse voltage in the transformer core to form an instantaneous change in the magnetic field, and then in the same magnetic field on another coil to induce the pulse voltage, the pulse voltage through the rectifier And the filter is the output of the DC voltage, the regulator part of the output voltage is provided by the signal control transistor on and off the time and amplitude, to achieve the purpose of regulation, a few words can not tell, interested in the power network to see it, Where a lot of master
