Technical Product Specification

Server Board Power Distribution Intel® Server Board S1400FP TPS
Intel order number G64246-003 Revision 2.0
108
Table 59. Output Voltage Timing
Item
Description
MIN
MAX
UNITS
T
vout_rise
Output voltage rise time from each main output.
2
50
ms
Output rise time for the 5Vstby output.
1
25
ms
T
vout_on
All main outputs must be within regulation of each
other within this time.
50 ms
T
vout_off
All main outputs must leave regulation within this
time.
400
ms
Figure 26. Output Voltage Timing
Table 60. Turn On/Off Timing
Item
Description
Min.
Max.
Units
T
sb_on_delay
Delay from AC being applied to 5VSB being within
regulation.
1500
ms
T
ac_on_delay
Delay from AC being applied to all output voltages
being within regulation.
2500
ms
T
vout_holdup
Time all output voltages stay within regulation
after loss of AC.
Tested at 75% of maximum load.
13
ms
T
pwok_holdup
Delay from loss of AC to de-assertion of PWOK.
Tested at 75% of maximum load.
12
ms
T
pson_on_delay
Delay from PSON
#
active to output voltages within
regulation limits.
5 400
ms
T
pson_pwok
Delay from PSON
#
deactivate to PWOK being de-
asserted.
50
ms
T
pwok_on
Delay from output voltages within regulation limits
to PWOK asserted at turn on.
100 500
ms
T
pwok_off
Delay from PWOK de-asserted to output voltages
(3.3V, 5V, 12V, -12V) dropping out of regulation
limits.
1
ms
Vout
10%
Vout
T
vout rise
T
vout_on
T
vout_off
V1
V2
V3
V4