Intel®
Server Board S1200V3RP TPS
Server Board Power Distribution
Revision 1.2
217
shows the timing requirements for the power supply being turned on and off from the AC input,
with PSON held low and the PSON signal, with the AC input applied.
Table 69. 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 51. Output Voltage Timing
Table 70. 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
Summary of Contents for S1200V3RP
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