Intel
®
Entry Server Chassis SC5299-E TPS Power Sub-system
Revision 3.1
Intel order number D37594-005
49
2.3.2.7.1 Electrostatic Discharge Susceptibility
The power supply complies with the limits defined in EN 55024: 1998 using the IEC 61000-4-2:1995 test
standard and performance criteria B defined in Annex B of CISPR 24.
2.3.2.7.2 Fast Transient/Burst
The power supply complies with the limits defined in EN55024: 1998 using the IEC 61000-4-4:1995 test
standard and performance criteria B defined in Annex B of CISPR 24.
2.3.2.7.3 Radiated Immunity
The power supply complies with the limits defined in EN55024: 1998 using the IEC 61000-4-
3:1995 test standard and performance criteria A defined in Annex B of CISPR 24.
2.3.2.7.4 Surge Immunity
The power supply has been tested with the system for immunity to AC Ringwave and AC
Unidirectional wave, both up to 2kV, per EN 55024:1998, EN 61000-4-5:1995 and ANSI C62.45:
1992.
The pass criteria included: No unsafe operation allowed under any condition; all power supply
output voltage levels remain within proper spec levels; no change in operating state or loss of
data during and after the test profile; no component damage under any condition.
The power supply complies with the limits defined in EN55024: 1998 using the IEC 61000-4-
5:1995 test standard and performance criteria B defined in Annex B of CISPR 24.
2.3.2.8 AC Line Dropout/Holdup
Below are the AC dropout requirements.
Table 56. Holdup Requirements
Loading Holdup Time
100% 12 msec
60% 20 msec
An AC line dropout is defined to be when the AC input drops to 0VAC at any phase of the AC
line for any length of time. During an AC dropout condition, the power supply meets dynamic
voltage regulation requirements. An AC line dropout of any duration will not cause tripping of
control signals or protection circuits. If the AC dropout lasts longer than the hold up time, the
power supply recovers and meets all turn on requirements. The power supply meets the AC
dropout requirement over rated AC voltages and frequencies. A dropout of the AC line for any
duration will not cause damage to the power supply.
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