Intel SE7505VB2 Product Specification - Page 98
Power Information, Intel® Server Board SE7505VB2, Turn on / off Timing, Revision 1.2
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Power Information AC Input Vout TAC_on_delay Tsb_on_delay PWOK Tpwok_on Tpwok_holdup 5VSB PSON Tsb_vout Intel® Server Board SE7505VB2 Tvout_holdup Tpwok_off Tpwok_low Tsb_on_delay Tpwok_on Tpwok_off Tpson_pwok Tpson_on_delay AC turn on/off cycle PSON turn on/off cycle Figure 13. Turn on / off Timing Table 73. Turn On / Off Timing Item Tsb_on_delay T ac_on_delay Tvout_holdup T pwok_holdup Tpson_on_delay T pson_pwok Tpwok_on T pwok_off Description Min Delay from AC being applied to 5VSB being within regulation. Delay from AC being applied to all output voltages being within regulation. Time all output voltages stay within regulation after loss of AC. 18 Delay from loss of AC to de-assertion of PWOK 17 Delay from PSON# active to output voltages within regulation limits. 5 Delay from PSON# deactive to PWOK being de-asserted. Delay from output voltages within regulation limits to PWOK asserted at turn on. 200 Delay from PWOK de-asserted to output voltages (3.3V, 5V, 12V, -12V) 1 dropping out of regulation limits. Max 1500 2500 400 50 1000 Units msec msec msec msec msec msec msec msec Tpwok_low Duration of PWOK being in the de-asserted state during an off/on cycle using 100 AC or the PSON signal. msec Tsb_vout Delay from 5 V SB being in regulation to O/Ps being in regulation at AC turn on. 50 1000 msec 98 Revision 1.2 Intel part number C32194-002