Intel® Server Board S2600CW Family TPS
Power Supply Specification Guidelines
Revision 2.4
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_delay
T
pwok_on
T
vout_holdup
T
pwok_holdup
T
pson_on_delay
T
sb_on_delay
T
pwok_on
T
pwok_off
T
pwok_off
T
pson_pwok
T
pwok_low
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.
