Electrical
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Figure 4-6: Rise Time Characteristics
4.3.7 Overshoot at Turn-On / Turn-Off – REQUIRED
The output voltage overshoot upon the application or removal of the input voltage, or
the assertion/de-assertion of PS_ON#, under the conditions specified in Table 4-2
,
shall be less than 10% above the nominal voltage. No voltage of opposite polarity
shall be present on any output during turn-on or turn-off.
4.4 Reset After Shutdown
If the power supply latches into a shutdown state because of a fault condition on its
outputs, the power supply shall return to normal operation only after the fault has
been removed and the PS_ON# has been cycled OFF/ON with a minimum OFF time of
one second.
4.4.1 +5VSB at Power-Down – REQUIRED
After AC power is removed, the +5VSB standby voltage output must remain at its
steady state value for the minimum hold-up time specified in Section 4.2.9
until the
output begins to decrease in voltage. The decrease shall be monotonic in nature,
dropping to 0.0 V. There shall be no other disturbances of this voltage at or following
removal of AC power.
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