Intel EPS1U User Manual
Page 4

SSI
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