SSI
EPS1U Power Supply Design Guide, V1.1
STATUS
Low Power Recommendation
Table 7: 125 W Load Ratings
Load Range
Voltage
Minimum Continuous
Maximum Continuous
Peak
+3.3 V
0.5 A
6 A
+5 V
0.5 A
12 A
+12 V1
0.25 A
3 A
6 A
+12 V2
Not used for 125W version.
-12 V
0 A
0.2 A
+5 VSB
0.1 A
1.0 A
1.
Maximum continuous total DC output power should not exceed 125 W.
2.
Peak total DC output power should not exceed 161 W.
3.
Peak power and current loading shall be supported for a minimum of 12 seconds.
STATUS
Medium Power Recommendation
Table 8: 250 W Load Ratings
Load Range 1
Voltage
Minimum Continuous
Maximum Continuous
Peak
+3.3 V
1.5 A
16 A
+5 V
1.0 A
12 A
+12 V1
1.5 A
16 A
See note 2
+12 V2
0.5 A
10 A
See note 2
-12 V
0 A
0.5 A
+5 VSB
0.1 A
2.0 A
Load Range 2
Voltage
Minimum Continuous
Maximum Continuous
Peak
+3.3 V
0.2 A
5.0 A
+5 V
0.2 A
5.0 A
+12 V1
0.2 A
8.0 A
+12 V2
0.2 A
2.0 A
4.0 A
-12 V
0 A
0.5 A
+5 VSB
0.1 A
2.0 A
1
Maximum continuous total DC output power should not exceed 250 W.
2
Peak load on the combined 12 V output shall not exceed 22 A.
3
Maximum load on the combined 12 V output shall not exceed 18 A.
4
Peak total DC output power should not exceed 300 W.
5
Peak power and current loading shall be supported for a minimum of 12 seconds.