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ATX12V Power Supply Design Guide
Version 2.0
18
Table 8. Loading Table for Efficiency Measurements
250W (loading shown in Amps)
Loading +12V1 +12V2 +5V +3.3V -12V +5Vsb
Full 4 11.5 6.8 6.5 0.3 1.0
Typical 3 5 3 4 0.1 1.0
Light 2 2.4 0.3 0.5 0.0 1.0
300W (loading shown in Amps)
Loading +12V1 +12V2 +5V +3.3V -12V +5Vsb
Full 7 12 8 7.5 0.2 1.0
Typical 4 8 3 4 0.1 1.0
Light 2 2 0.5 1.5 0.0 1.0
350W (loading shown in Amps)
Loading +12V1 +12V2 +5V +3.3V -12V +5Vsb
Full 10 13 9 10 0.3 1.0
Typical 5 9 3 5 0.1 1.0
Light 3 3 1.0 2.0 0.0 1.0
400W (loading shown in Amps)
Loading +12V1 +12V2 +5V +3.3V -12V +5Vsb
Full 12 14 9 11 0.3 1.0
Typical 5 9 3 5 0.1 1.0
Light 3 3 1 3 0.0 1.0