Intel manual Figures, Tables, ATX12V Power Supply Design Guide Version

ATX12V Power Supply Design Guide

Version 2.0

Figures
Figure 1. Cross Loading Graph for 250W Configuration		13
Figure 2. Cross Loading Graph for 300W Configuration		14
Figure 3. Cross Loading Graph for 350W Configuration		15
Figure 4. Cross Loading Graph for 400W Configuration		16
Figure 5.	Differential Noise Test Setup	20
Figure 6. Power Supply Timing		22
Figure 7.	PS_ON# Signal Characteristics	24
Figure 8. Power Supply Dimensions for Chassis That Does Not Require Top Venting		29
Figure 9. Power Supply Dimensions for Chassis That Require Top Venting		30
Figure 10. ATX12V Power Supply Connectors		33
Figure 11. Serial ATA Connector		36
Tables
Table 1. AC Input Line Requirements		9
Table 2.	DC Output Voltage Regulation	11
Table 3.	Typical Power Distribution for a 250 W ATX12V Configuration	13
Table 4.	Typical Power Distribution for a 300 W ATX12V Configuration	14
Table 5.	Typical Power Distribution for a 350 W ATX12V Configuration	15
Table 6.	Typical Power Distribution for a 400 W ATX12V Configuration	16
Table 7. Minimum Efficiency Vs Load		17
Table 8.	Loading Table for Efficiency Measurements	18
Table 9. Energy Star Input Power Consumption		19
Table 10. DC Output Noise/Ripple		20
Table 11. DC Output Transient Step Sizes		21
Table 12.	Output Capacitive Loads	21
Table 13. PWR_OK Signal Characteristics		23
Table 14.	PS_ON# Signal Characteristics	24
Table 15.	Overvoltage Protection	26
Table 16. Harmonic Limits, Class D Equipment		40

5