SilverStone ST60F(original) [6/12] Sst st60ef 說明書 5 pdf

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3 5 Short circuit An output short circuit is defined as any output impedance of less than 0 1 ohms The power supply shall shut down and latch off for shorting the 3 3VDC 5VDC or 12 VDC rails to return or any other rail Shorts between main output rails and 5VSB shall not cause any damage to the power supply The power supply shall either shut down and latch off or fold back for shorting the negative rails 5VSB must be capable of being shorted indefinitely but when the short is removed the power supply shall recover automatically or by cycling PS_ON The power supply shall be capable of withstanding a continuous short circuit to the output without damage or overstress to the unit 3 6 No load operation No damage or hazardous condition should occur with all the DC output connectors disconnected from the load The power supply may latch into the shutdown state 3 7 Over temperature protection In the event of a fan failure or the vents being blocked the power supply shall have protection such that any over temperature condition caused by these events shall protect the power supply from damage or abnormal and or dangerous operation A shutdown of the power supply is acceptable A temperature derating factor less than 110 for the critical components is recommended before the power supply is shut down Temperature derating factors higher than 110 can be evaluated on a case by case basis 4 TIMING 4 1 Signal timing drawing Figure 4 is a reference for signal timing for main power connector signals and rails Figure 2 PS OK Timing Sequence 05

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