Specifications

5
PSON# controlling the On/Off of the power supply.
Item Description MIN MAX Units
Tvout_rise Output voltage rise time from each main output.(+5Vsb <
70mS)
5 70 mS
Tvout_on All main output must be within regulation of each other
within this time.
50 mS
Tvout_off All main output must leave regulation within this time 400 mS
Table 4 – Output Voltage Timing
Vout
V1
10% Vout
V2
V3
V4
Tvout_on Tvout_off
Tvout_rise
Figure 1 : Output Voltage Timing
Table 5 – Turn On/Off Timing
Item Description MIN MAX Units
Tsb_on-delay Delay from AC being applied to +5VSB being within
regulation.
1500 mS
Tac_on-delay Delay from AC being applied to all output voltages being
within regulation.
2500 mS
Tvout_holdup
A
ll main output voltage stay within regulation after loss of
AC
18 mS
Tpwok_holdup Delay from loss of AC deassertion of PWOK. 17 mS
Tpson_on_delay Delay from PSON# active to output voltage within
regulation limits.
5 400 mS
Tpson_pwok Delay from PSON# deactive to PWOK being deasserted. 50 mS
Tpwok_on Delay from output voltage within regulation limits to PWOK
asserted at turn on.
100 500 mS
Tpwok_off Delay from PWOK deasserted to output voltages (+5V,
+3.3V, +12V) dropping out of regulation limits.
1 mS
Tpwok_low Duration of PWOK being in the deasserted state during an
off/on cycle using AC or the PSON# signal. .
100 mS
Tsb_vout Delay from +5VSB being in regulation to O/Ps being in
regulation at AC turn on.
50 1000 mS