SSI

9

10

 

EPS2U Power Supply Design Guide, V2.1

MTBF

30

Agency Requirements

30

Figures

 

Figure 1: Enclosure Drawing

7

Figure 2: Output Voltage Timing

22

Figure 3: Turn On/Off Timing (Single Power Supply)

23

Figure 4: PSON# Signal Characteristics

26

Tables

 

Table 1: Thermal Requirements

8

Table 2: AC Input Rating

9

Table 3: Efficiency

9

Table 4: AC Line Sag Transient Performance

11

Table 5: AC Line Surge Transient Performance

11

Table 6: 12V Rail Summary

12

Table 7: P1 Baseboard Power Connector – Common Plane

13

Table 8: P1 Baseboard Power Connector – Split Plane

13

Table 9: Processor Power Connector – Common Plane

14

Table 10: Processor Power Connector – Split Plane

14

Table 11: Peripheral Power Connectors

15

Table 12: P9 Floppy Power Connector

15

Table 13: Server Signal Connector

16

Table 14: 480 W Load Ratings – Common Plane

17

Table 15: 550 W Load Ratings – Split Plane

17

Table 16: 600 W Load Ratings – Split Plane

18

Table 17: 650 W Load Ratings – Split Plane

18

Table 18: Voltage Regulation Limits

19

Table 19: Optional +5V Regulation Limits

19

Table 20: Transient Load Requirements

20

Table 21: Capacitve Loading Conditions

20

Table 22: Ripple and Noise

21

Table 23: Output Voltage Timing

21

Table 24: Turn On/Off Timing

22

Table 25: Over Current Protection

24

Table 26: Over Current Protection

25

Table 27: Over Voltage Limits

25

Table 28: PSON# Signal Characteristic

26

Table 29: PWOK Signal Characteristics

27

Table 30: FRU Device Information

28

Table 31: FRU Device Product Information Area

28

Table 32: FRU Device Product Information Area

29

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SSI America EPS2U manual Figures, Tables