Справочник Пользователя для iStarUSA IS-500R2UPD8
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Tac_on-delay
Delay from AC being applied to all output voltages
being within regulation.
being within regulation.
2500
mS
Tvout_holdup
Time all output voltage stay within regulation after loss
of AC tested at 80% of maximum load.
17 mS
Tpwok_holdup
Delay from loss of AC deassertion of PWOK tested at
80% of maximum load.
16 mS
Tpson_on_delay Delay from PSON# active to output voltage within
regulation limits.
5 400
mS
Tpson_pwok
Delay from PSON# deactive to PWOK being
deasserted.
50
mS
Tpwok_on
Delay from output voltage within regulation limits to
PWOK asserted at turn on.
100 500 mS
Tpwok_off
Delay from PWOK deasserted to output voltages
dropping out of regulation limits.
1 mS
Tpwok_low
Duration of PWOK being in the deasserted state
during an off/on cycle using AC or the PSON#
signal. .
signal. .
100 mS
Tsb_vout
Delay from +5VSB being in regulation to O/Ps being
in regulation at AC turn on.
50 1000 mS
Figure 1: Turn On/Off Timing
AC Input AC off AC On
T
T
vout_holdup
Vout
T
T
ac_on-delay
T
pwok_low
Tsb_on-delay
T
pwok_off
T
pwok_off
PWOK T
pwok_on
T
pwok_holdup
T
sb_on-delay
T
pwok_on
T
pson_pwok
+5VSB T
sb_vout
T
sb_holdup
Min.>70mS
T
pson_on_delay
PSON#
AC
turn 0n/off cycle
PSON
turn on/off cycle
3.7 PMBus Function (Optional)
FRU Information