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Sun Enterprise 220R Server Service Manual

C.1.14 Power Supply

The system unit uses a 380-watt power supply that operates under the voltage range of 90 to 264 volts root-mean-square (Vrms) and a frequency range of 47 to 63 Hz. The maximum input current is 6.3.

The power supply continues to regulate all outputs for 20 milliseconds after AC power is removed.

Output 

Voltage (VDC) 

Maximum Current (A) 

Regulation Band 

1 

3.3 

50.0 

3.23 to 3.43 

2 

5.0 

40.0 

4.95 to 5.15 

3 

12.0 

5.0 

11.40 to 12.60 

4 

-12.0 

0.5 

-12.60 to -11.40 

5 

5.1 

1.0 

4.95-5.25 

Note -

The combined power of output 1 and output 3 must be less than 320 watts.