Datasheet
Intel® Server Board S2600CW Family TPS Power Supply Specification Guidelines
Revision1.11
131
Item Description Min Max Units
T
pson_on_delay
Delay from PSON# active to output voltages
within regulation limits.
5 400 ms
T
pson_pwok
Delay from PSON# deactivate to PWOK being
de-asserted.
5 ms
T
pwok_on
Delay from output voltages within regulation
limits to PWOK asserted at turn on.
100 500 ms
T
pwok_off
Delay from PWOK de-asserted to output
voltages dropping out of regulation limits.
1 ms
T
pwok_low
Duration of PWOK being in the de-asserted
state during an off/on cycle using AC or the
PSON signal.
100 ms
T
sb_vout
Delay from 12VSB being in regulation to O/Ps
being in regulation at AC turn on.
50 1000 ms
T
12VSB_holdup
Time the 12VSB output voltage stays within
regulation after loss of AC.
70 ms
* The 12VSBoutput voltage rise time shall be from 1.0ms to 25ms.
AC Input
Vout
PWOK
12Vsb
PSON
T
sb_on_delay
T AC_on_dela
y
T
pwok_on
Tvout_holdup
T
p
wok_holdup
T
pson_on_delay
T
sb_on_delay
T
p
wo k_ on
T
pwok_off
T
pwok_off
T
pson_pwok
T
p
wo k_ lo w
T
sb_vout
AC turn on/off cycle
PSON turn on/off cycle
T
5Vsb_holdup
Figure 28. Turn On/Off Timing (Power Supply Signals)
10.2.5 Protection Circuits
Protection circuits inside the power supply causes only the power supply’s main outputs to
shut down. If the power supply latches-off due to a protection circuit tripping, an AC cycle OFF
for 15sec and a PSON# cycle HIGH for one second are able to reset the power supply.