Spire corp – Spire BLACKDRAGON 500 / SP-R-500WTB-PFC User Manual
Page 7
 
Version:A/0 Page 7 of 18
Spire Corp.
Http://www.spirepower.com & Http://www.spirecoolers.com
Http://www.spire-corp.com
 
 
2.2.2 Output DC Current Ranges
All outputs are within the specified limits of regulation when each output is 
subjected to the conditions listed below. 
Table 3. DC Input Line Requirements
DC Nominal
Voltage
Minimum
Current
Maximum
Current
Combined
Output
+12 V1 DC 1.0 A
20A
+12 V2 DC 1.0 A
20A
+12 V3 DC 1.0 A
20A
438W
+5 V DC
0.2 A
20A
+3.3 V DC 0.1 A
20A
135W
-
12 V DC 0.0 A
0.3A
3.6W
+5 V SB
0.05A
2.5A
12.5W
 
 
 
500W
NOTE: 
1)The combined power output of +5V and +3.3V shall not exceed 135W. 
The combined power output of +5V,+3.3V and +12V shall not exceed 485W
2)Input voltage is 110-240Vac ,When peak load. 
 
2.2.3 Output Voltage Line Regulation
The following table specifies line regulation as measured from 
minimum to maximum load including the transient response 
requirements as detailed in this document. 
 
Table 4. DC Output Tolerance Specifications 
DC Nominal Output
Output Voltage Tolerance
+12V1 DC
±1%
+12V 2DC
±1%
+12V 3DC
±1%
+5V DC
±1%
+3.3V DC
±1%
-12V DC
±2%
+5V SB
±1%
 
2.2.4 Cross Regulation 
The power supply DC outputs perform within all line and load specifications 
Regardless of the static or transient loads on any of the outputs.