Computer power supply
A power supply device, computer technology, applied in the direction of circuit devices, battery circuit devices, measuring devices, etc.
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[0026] figure 1 It shows a power supply device for a computer, and generally, for example, a circuit for rectifying and converting the AC from a commercial AC power supply to a DC voltage is provided, and the DC voltage from this circuit is used. For the sake of simplicity of description, in figure 1 An example including a battery 1 generating a DC voltage is shown, but it is not limited to the example, figure 1 The secondary side output shown should be able to output three output voltages of +12, +5V, and +3.3V, but it does not matter how to set the number of outputs and the output voltage.
[0027] The aforementioned power supply device for a computer is composed of a primary side switching circuit 2 that operates with the DC voltage of the battery 1 as an input, and various devices for driving a computer by using the output from the switching circuit 2 via a high frequency transformer 3. The secondary side output circuit 4 provided on the secondary side of 3 constitutes. ...
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