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EPS1U Power Supply Design Guide, V1.1
9 MTBF.............................................................................................................................................................30
10 Agency Requirements ................................................................................................................................ 31
Figures
Figure 1: Enclosure Drawing.....................................................................................................................................7
Figure 2: Alternate Enclosure Drawing .....................................................................................................................8
Figure 3: Edge Finger Layout..................................................................................................................................14
Figure 4: Output Voltage Timing .............................................................................................................................20
Figure 5: Turn On/Off Timing (Signal Power Supply) .............................................................................................22
Figure 6: PSON# Signal Characteristics.................................................................................................................25
Tables
Table 1: Definitions, Terms, and Acronyms (listed alphabetically) ...........................................................................6
Table 2: Thermal Requirements................................................................................................................................9
Table 3: AC Input Rating.........................................................................................................................................10
Table 4: AC Line Sag Transient Performance ........................................................................................................12
Table 5: AC Line Surge Transient Performance..................................................................................................... 12
Table 6: Edge Finger Pinout ................................................................................................................................... 13
Table 7: 125 W Load Ratings..................................................................................................................................16
Table 8: 250 W Load Ratings..................................................................................................................................16
Table 9: 350 W Load Ratings..................................................................................................................................17
Table 10: Voltage Regulation Limits .......................................................................................................................18
Table 11: Optional +5V Regulation Limits ..............................................................................................................18
Table 12: Transient Load Requirements.................................................................................................................18
Table 13: Capacitve Loading Conditions ................................................................................................................19
Table 14: Ripple and Noise.....................................................................................................................................19
Table 15: Output Voltage Timing ............................................................................................................................20
Table 16: Turn On/Off Timing ................................................................................................................................. 21
Table 17: Over Current Protection ..........................................................................................................................23
Table 18: Over Current Protection.......................................................................................................................... 23
Table 19: Over Voltage Limits.................................................................................................................................24
Table 20: PSON
#
Signal Characteristic................................................................................................................... 25
Table 21: PWOK Signal Characteristics .................................................................................................................26
Table 22: ACWarning Signal Characteristics..........................................................................................................27
Table 23: FRU Device Information..........................................................................................................................28
Table 24: FRU Device Product Information Area....................................................................................................28
Table 25: FRU Device MultiRecord Area................................................................................................................29
Table 26: LED Indicators......................................................................................................................................... 30