Intel ATX 3.0, Руководство по конструкции

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Introduction
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Acronym, Convention/
Terminology
Description
PFC Power Factor Correction.
p-p Peak-to-Peak Voltage Measurement.
PWR_OK PWR_OK is a “power good” signal used by the system power
supply to indicate that the +5VDC, +3.3 VDC and +12VDC
outputs are above the under-voltage thresholds of the power
supply.
Ripple noise The periodic or random signals over a frequency band of 0 Hz
to 20 MHz.
Rise Time Rise time is defined as the time it takes any output voltage to
rise from 10% to 90% of its nominal voltage.
Surge The condition where the AC line voltage rises above nominal
voltage.
VSB or Standby Voltage An output voltage that is present whenever AC power is
applied to the AC inputs of the supply.
Table 1-2: Support Terminology
Category Description
Optional The status given to items within this design guide, which are not
required to meet design guide, however, some system applications
may optionally use these features. May be a required or
recommended item in a future design guide.
Recommended
The status given to items within this design guide, which are not
required to meet design guide, however, are required by many
system applications. May be a required item in a future design guide.
Required The status given to items within this design guide, which are
required to meet design guide and a large majority of system
applications.
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