Intel BB5520UR User Manual

Intel® Server Boards S5520HC, S5500HCV, and S5520HCT TPS Design and Environmental Specifications
Revision 1.8
Intel order number E39529-013
135
Table 80. Turn On/Off Timing
Item Description Minimum Maximum Units
Tsb_on_delay Delay from AC being applied to 5 VSB being within
regulation.
N/A 1500
ms
Tac_on_delay Delay from AC being applied to all output voltages being
within regulation.
N/A 2500
ms
Tvout_holdup Time all output voltages stay within regulation after loss of
AC.
21 N/A
ms
Tpwok_holdup Delay from loss of AC to de-assertion of PWOK 20 N/A ms
Tpson_on_delay Delay from PSON# active to output voltages within
regulation limits.
5 400
ms
Tpson_pwok Delay from PSON# deactivate to PWOK being de-asserted. 50 ms
Tpwok_on Delay from output voltages within regulation limits to PWOK
asserted at turn on.
100 500
ms
Tpwok_off Delay from PWOK de-asserted to output voltages (3.3 V, 5
V,
12 V, and -12 V) dropping out of regulation limits.
1 N/A
ms
Tpwok_low Duration of PWOK being in the de-asserted state during an
off/on cycle using AC or the PSON signal.
100 N/A
ms
Tsb_vout Delay from 5 VSB being in regulation to O/Ps being in
regulation at AC turn on.
50 1000
ms
T5VSB_holdup Time the 5 VSB output voltage stays within regulation after
loss of AC.
70 N/A
ms
AC Input
Vout
PWOK
5VSB
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 61. Turn On/Off Timing (Power Supply Signals)

Intel BB5520UR Specifications

General

Brand	Intel
Model	BB5520UR
Category	Server Board
Language	English