Intel S3420GPLC Product Specification - Page 116

Over-Voltage Protection OVP, Exception

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Design and Environmental Specifications Intel® Server Board S3420GP TPS Table 71. Over-Current Protection (OCP) Voltage +3.3V +5V +12V -12V 5VSB 15A 20A 30A 0.625A N/A Over Current Limit Min Max 21A 27A 40A 2A 4A 10.4.12.2 Over-Voltage Protection (OVP) The power supply over-voltage protection is locally sensed. The power supply shuts down and latches off after an over-voltage condition occurs. You can clear this latch by toggling the PSON# signal or using 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 never exceeds the maximum levels when measured at the power pins of the power supply connector during any single point of fail. The voltage never trips any lower than the minimum levels when measured at the power pins of the power supply connector. Exception: +5 VSB rail should be able to recover after an over-voltage condition occurs. Table 72. Over-voltage Protection (OVP) Limits Output Voltage +3.3 V +5 V +12 V -12 V +5 VSB Minimum (V) 3.9 5.7 13.3 -13.3 5.7 Maximum (V) 4.5 6.2 14.5 -14.5 6.5 104 Revision 2.4 Intel order number E65697-010

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Design and Environmental Specifications
Intel® Server Board S3420GP TPS
Revision 2.4
Intel order number E65697-010
104
Table 71. Over-Current Protection (OCP)
Voltage
Over Current Limit
Min
Max
+3.3V
15A
21A
+5V
20A
27A
+12V
30A
40A
-12V
0.625A
2A
5VSB
N/A
4A
10.4.12.2
Over-Voltage Protection (OVP)
The power supply over-voltage protection is locally sensed. The power supply shuts down and
latches off after an over-voltage condition occurs. You can clear this latch by toggling the
PSON
#
signal or using 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
never exceeds the maximum levels when measured at the power pins of the power supply
connector during any single point of fail. The voltage never trips any lower than the minimum
levels when measured at the power pins of the power supply connector.
Exception:
+5 VSB rail should be able to recover after an over-voltage condition occurs.
Table 72. Over-voltage Protection (OVP) Limits
Output Voltage
Minimum (V)
Maximum (V)
+3.3 V
3.9
4.5
+5 V
5.7
6.2
+12 V
13.3
14.5
-12 V
-13.3
-14.5
+5 VSB
5.7
6.5