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Technical Product Specification
Item
Tvout_rise
Output voltage rise time
Tsb_on_delay
Delay from AC being applied to 12VSB being within
regulation.
Tac_on_delay
Delay from AC being applied to all output voltages being
within regulation.
Tvout_holdup
Time 12V output voltage stay within regulation after loss of
AC.
Tpwok_holdup
Delay from loss of AC to de-assertion of PWOK
Tpson_on_delay
Delay from PSON# active to output voltages within regulation
limits.
Tpson_pwok
Delay from PSON# deactivate to PWOK being de-asserted.
Tpwok_on
Delay from output voltages within regulation limits to PWOK
asserted at turn on.
Tpwok_off
Delay from PWOK de-asserted to output voltages dropping
out of regulation limits.
Tpwok_low
Duration of PWOK being in the de-asserted state during an
off/on cycle using AC or the PSON signal.
Tsb_vout
Delay from 12VSB being in regulation to O/Ps being in
regulation at AC turn on.
T12VSB_holdup
Time the 12VSB output voltage stays within regulation after
loss of AC.
Note:
* The 12VSB output voltage rise time shall be from 5.0ms to 10ms.
Revision 1.37
Table 77. Timing Requirements (12VSB)
Description
Power Supply Specification Guidelines
Min
Max
5.0 *
70 *
1500
3000
11
10
5
400
5
100
500
1
100
50
1000
70
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
147
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