Datasheet

5
4. ELECTRICAL REQUIREMENTS
4.1 OUTPUT ELECTRICAL REQUIREMENTS
The subject power supply will meet all electrical specifications below, over the full operation
temperature range and dynamic load regulation.
4.1.1. OUTPUT RATING
Output Nominal Regulation Ripple/Noise Min Max peak
1 +3.3V
±5%
50mV 0.5A 14.0 A
2 +5V
±5%
50mV 0.5A 16.0 A
3 +12V1
±5%
120mV 1.0A 16.0 A
4 +12V2
±5%
120mV 1.0A 10.0A
5 -12V
±10%
120mV 0 A 0.8 A
6 +5VSB
±5%
50mV 0 A 2.5A
(1) 220W(50℃) : +3.3V + 5V + 12V1 + 12V2 = 207W
250W(25℃) : +3.3V + 5V + 12V1 + 12V2 = 237W
The +12V1 and +12V2 total output shall not exceed 17A.
(2) The +3.3V and +5V total output shall not exceed 110watts.
(3) total output for this subject power supply is 250 watts.
(4) Ripple and noise measurements shall be made under all specified load conditions through a
single pole low pass filter with 20MHz cutoff frequency. Outputs shall bypassed at the
connector with a 0.1uF ceramic disk capacitor and a 10uF electrolytic capacitor to simulate
system loading.
4.1.2. LOAD CAPACITY SPECIFICATIONS
The cross regulation defined as follows, the voltage regulation limits DC include DC Output
ripple & noise.
220W Load condition
No. +3.3V +5V +12V1 +12V2 -12V +5Vsb
FL1 14.0 12.76 5.0 3.75 0.4A 2.5
FL2 0.5 16.0 3.5 3.5 0.1A 2.5
FL3 14.0 0.5 1.0 1.0 0.1A 2.5
FL4 0.5 2.0 16.0 1.0 0.1A 0
FL5 0.5 1.5 1.0 10.0 0.1A 0
ML 0.5 0.5 0.5 0.2 0A 0
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5/13禁止翻印外洩 ESD09081968-R6.pdf 發行時間:2011/6/23 10:57 上午