TFX12V Power Supply Design Guide |
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Thin Form Factor with 12 V Connector |
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Version 2.0 |
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Figures |
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Figure 1. TFX12V Power Supply | 7 | |
Figure 2. | Cross Loading Graph for 180W Configuration | 13 |
Figure 3. | Cross Loading Graph for 220W Configuration | 14 |
Figure 4. | Cross Loading Graph for 240W Configuration | 15 |
Figure 5 Cross Loading Graph for 270W Configuration | 16 | |
Figure 6. Differential Noise Test Setup | 19 | |
Figure 7. Power Supply Timing | 21 | |
Figure 8. PS_ON# Signal Characteristics | 23 | |
Figure 9. Power Supply Dimensions and Recommended Feature Placements (not to scale) | 27 | |
Figure 10. | Power Supply Mounting Slot Detail | 28 |
Figure 11. | Fan Right and Fan Left Orientations of Power Supply in a Chassis | 29 |
Figure 12. Suggested TFX12V Chassis Cutout | 30 | |
Figure 13. | Suggested Mounting Tab (chassis feature) | 30 |
Figure 14. | TFX12V Connectors | 32 |
Figure 15. | Serial ATA Connector | 34 |
Tables |
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Table 1. AC Input Line Requirements | 10 | |
Table 2. DC Output Voltage Regulation | 12 | |
Table 3. Typical Power Distribution for 180 W TFX12V Configurations | 13 | |
Table 4. Typical Power Distribution for 220 W TFX12V Configurations | 14 | |
Table 5. Typical Power Distribution for 240 W TFX12V Configurations | 15 | |
Table 6: Typical Power Distribution for 270 W SFX12V Configurations | 16 | |
Table 7: Efficiency Vs Load | 17 | |
Table 8. Loading Table for Efficiency Measurements | 17 | |
Table 9. Energy Star Input Power Consumption | 18 | |
Table 10. DC Output Noise/Ripple | 18 | |
Table 11. DC Output Transient Step Sizes | 19 | |
Table 12. Output Capacitive Loads | 20 | |
Table 13. PWR_OK Signal Characteristics | 22 | |
Table 14. PS_ON# Signal Characteristics | 23 | |
Table 15. Over Voltage Protection | 25 | |
Table 16. Harmonic Limits, Class D Equipment | 39 |
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