Silverstone SST-DA750 User Manual
5
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
All main output voltage stay within regulation after loss of
AC
AC
18 mS
T
pwok_holdup
Delay from loss of AC deassertion of PWOK.
17
mS
T
pson_on_delay
Delay from PSON# active to output voltage within
regulation limits.
5 400
mS
T
pson_pwok
Delay from PSON# deactive to PWOK being deasserted.
50
mS
T
pwok_on
Delay from output voltage within regulation limits to PWOK
asserted at turn on.
100 500 mS
T
pwok_off
Delay from PWOK deasserted to output voltages (+5V,
+3.3V, +12V) dropping out of regulation limits.
1
mS
T
pwok_low
Duration of PWOK being in the deasserted state during an
off/on cycle using AC or the PSON# signal. .
100 mS
T
sb_vout
Delay from +5VSB being in regulation to O/Ps being in
regulation at AC turn on.
50 1000 mS
Table 11 – 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
Figure 2 : Turn On/Off Timing