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Power Sub-System
4 VAC. Application of an input voltage below 85 VAC shall not cause damage to the power
supply, including a fuse blow.
Parameter
Voltage (110)
Voltage (220)
Frequency
2.5
Protection Circuits
Protection circuits inside the power supply shall cause only the power supply's main outputs to
shut down. If the power supply latches off due to a protection circuit tripping, an AC cycle off for
15 seconds and a PSON
2.5.1
Over-current Protection (OCP)
The power supply shall have current limit to prevent the +3.3 V, +5 V, and +12 V outputs from
exceeding the values shown in the following table. If the current limits are exceeded the power
supply shall shutdown and latch off. The latch will be cleared by toggling the PSON
an AC power interruption. The power supply shall not be damaged from repeated power cycling
in this condition. -12 V and 5 VSB shall be protected under over-current or shorted conditions so
that no damage can occur to the power supply. Auto-recovery feature is a requirement on 5
VSB rail.
Voltage
+3.3V
+5V
+12V
-12V
5VSB
2.5.2
Over-voltage Protection (OVP)
The power supply over-voltage protection shall be locally sensed. The power supply shall shut
down and latch off after an over-voltage condition occurs. This latch shall be cleared by toggling
#
the PSON
signal or by an AC power interruption. The following table contains the over-voltage
limits. The values are measured at the output of the power supply's connectors. The voltage
shall never exceed the maximum levels when measured at the power pins of the power supply
connector during any single point of fail. The voltage shall never trip any lower than the
minimum levels when measured at the power pins of the power supply connector.
Exception: +5VSB rail should be able to recover after an over-voltage condition occurs.
12
Table 11. AC Input Rating
Minimum
Rated
90 V
100-127 V
rms
rms
180 V
200-240 V
rms
rms
47 Hz
#
cycle high for 1 second shall be able to reset the power supply.
Table 12. Over-current Protection (OCP)
Over-current Limit (Iout limit)
110% minimum (= 16.5A) ; 150% maximum (= 22.5A)
110% min (= 11.0A); 150% max (= 15.0A)
39.6A min; 54.0A max
0.625A min; 2.0A max
6.0A max
Intel order number D71005-005
Intel® Server Systems SR1530CL/SR1530HCL/SR1530HCS
and SR1530CLR/SR1530HCLR/SR1530HCLSR
Maximum
Start up VAC
140 V
85Vac +/-4Vac
rms
264 V
rms
63 Hz
Power Off VAC
75VAC +/-5VAC
#
signal or by
Revision 2.2
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