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Intel® Server Board SE7320SP2 & Intel Server Board SE7525GP2 TPS General Specifications
Revision 2.0
167
Table 102. Turn On / Off Timing
Item Description Min Max Units
Tsb_on_delay Delay from AC being applied to 5VSB being within regulation. 1500 msec
T ac_on_delay Delay from AC being applied to all output voltages being within
regulation.
2500 msec
Tvout_holdup Time all output voltages stay within regulation after loss of AC. 21 msec
Tpwok_holdup Delay from loss of AC to de-assertion of PWOK 20 msec
Tpson_on_delay Delay from PSON# active to output voltages within regulation limits. 5 400 msec
T pson_pwok Delay from PSON# deactive to PWOK being de-asserted. 50 msec
Tpwok_on Delay from output voltages within regulation limits to PWOK asserted at
turn on.
100 1000 msec
T pwok_off Delay from PWOK de-asserted to output voltages (3.3V, 5V, 12V, -12V)
dropping out of regulation limits.
1 200 msec
Tpwok_low Duration of PWOK being in the de-asserted state during an off/on cycle
using AC or the PSON signal.
100 msec
Tsb_vout Delay from 5 V SB being in regulation to O/Ps being in regulation at AC
turn on.
50 1000 msec
T5vsb_holdup Time the 5 VSB output voltage stays within regulation after AC lost. 70 msec