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                What are the differences in the relationship between ATX power supply and switching power supply

                ATX power supply is a kind of switching power supply (corresponding to switching power supply is linear power supply). Obviously, ATX power supply is only a small subclass of many switching power supplies-it is specifically designed to power desktop computer motherboards. In modern society, switching power supply is widely used (including but not limited to ATX power supply). In fact, switching power supplies are everywhere in both modern office equipment and household equipment.

                As a substitute for linear power supply, switching power supply has many incomparable advantages over linear power supply. The high-frequency switching transformer working between the cut-off zone and the saturation zone has the characteristics of low energy consumption, which directly reduces the heat dissipation pressure of the power supply itself, and its volume can also be miniaturized.

                ATX power supply is a kind of switching power supply, in which "switching power supply" mainly has two meanings.

                The first meaning means that it is a kind of power supply controlled by switch, and PSON is the switch of ATX power supply. In contrast, there is indeed such a power supply, and its output is not controlled by the switch. This kind of power supply has neither mechanical switch like lamp switch nor logic level switch like ATX power supply PSON. As long as the power supply is connected to AC 220V, the normal target voltage can be obtained on its output side, for example, mobile phone charger, electric car charger, LCD LCD internal power board inverter integrated board low-voltage power supply.

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