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Output Requirements
NCR S26 Hot Plug Server User Guide A-3
Output Requirements
The following represent the output requirements of the 420-watt power
supply:
•
Ripple and noise bandwidth is from DC to 20 MHz.
•
+12V should provide 15 A surge current for the first 10 seconds after
power on, and this regulation should be within ±10%.
•
Total power consumption is 420 watts.
The table below shows the 420-watt power supply output requirements
(measured at output power connector).
Table A-2. 420-Watt Power Supply Output Requirements
Out
-put Nominal Regulation Minimum
Output
Load Maximum
Output
Load Ripple Noise
1 +5 V +5% to -3% 4.0 A 44 A 50 mV 100 mV
2 -5 V +10% to -8% 0.0 A 0.5 A 100 mV 200 mV
3 +12 V +5% to -4% 0.5 A 13 A 200 mV 200 mV
4 -12 V +8% to -8% 0.0 A 1 A 120 mV 240 mV
5 +3.3 V +4% to -4% 0.0 A 10 A 50 mV 80 mV