Electrical
34
336521
Table 4-6: DC Output Noise/Ripple
Output
Maximum Ripple and Noise (mV p-p)
+12V1DC
120
+12V2DC
120
+5VDC
50
+3.3VDC
50
-12VDC
120
+5VSB
50
Figure 4-1: Differential Noise Test Setup
4.2.6
Capacitive Load – RECOMMENDED
The power supply should be able to power up and operate within the regulation limits
, with the following capacitances simultaneously present on the
DC outputs. These Capacitive Loads are to simulate what a motherboard / system
provides when connected to a power supply.
Table 4-7: Output Capacitive Loads
Output
Capacitive Load (
μ
F)
+12V1DC
3,300
+12V2DC
3,300
Summary of Contents for ATX 3.0
Page 69: ...LFX12V Specific Guidelines 2 0 336521 69 Figure 12 2 Mechanical Details...
Page 70: ...LFX12V Specific Guidelines 2 0 70 336521 Figure 12 3 PSU Slot Feature Detail...
Page 71: ...LFX12V Specific Guidelines 2 0 336521 71 Figure 12 4 Recommended Chassis Tab Feature...
Page 77: ...SFX12V Specific Guidelines 4 0 336521 77 Figure 14 3 Top Mount Fan Profile Mechanical Outline...
Page 82: ...SFX12V Specific Guidelines 4 0 82 336521 Figure 14 10 PS3 Mechanical Outline...
Page 87: ...TFX12V Specific Guidelines 3 0 336521 87 Figure 15 6 Suggested Mounting Tab chassis feature...