| 摘要 |
A power supply for a central processing unit is provided to make an input point of pad voltage to the central processing unit later than an input of analog voltage by using a reset IC unit and to adjust an input time of core voltage. In a power supply for a central processing unit(110), an SMPS(Switching Mode Power Supply)(100) transforms an AC voltage supplied from outside into at least one DC voltage suitable for the central processing unit(110) and supplies the same. A first controller(120) transforms the DC voltage into a pad voltage. A second controller(160) transforms the DC voltage into an analog voltage. A third controller(180) transforms the analog voltage into a core voltage. A reset IC unit(140) receives the DC voltage and generates a trigger signal to the first controller(120).
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