iStarUSA IS-1800RH1UP User Manual
5
PSON# controlling the On/Off of the power supply.
Item Description
MIN
MAX
Units
T
v
out_rise
Output voltage rise time from each main output.(+5Vsb <
70mS)
70mS)
5
70 mS
T
vout_on
All main output must be within regulation of each other
within this time.
within this time.
50
mS
T
vout_off
All main output must leave regulation within this time
400
mS
Table 4 – Output Voltage Timing
Vout
V1
10% Vout
V2
V3
V4
T
vout_on
T
vout_off
T
v
out_rise
Figure 1 : Output Voltage Timing
Table 5 – Turn On/Off Timing
Item Description
MIN
MAX
Units
T
sb_on-delay
Delay from AC being applied to +5VSB being within
regulation.
1500
mS
T
ac_on-delay
Delay from AC being applied to all output voltages being
within regulation.
2500
mS
T
vout_holdup
All main output voltage stay within regulation after loss of
AC
18 mS
T
pwok_holdup
Delay from loss of AC deassertion of PWOK.
17
mS
T
pson_on_delay
Delay from PSON# active to output voltage within
regulation limits.
5 400
mS
T
pson_pwok
Delay from PSON# deactive to PWOK being deasserted.
50
mS
T
pwok_on
Delay from output voltage within regulation limits to PWOK
asserted at turn on.
100 500 mS
T
pwok_off
Delay from PWOK deasserted to output voltages (+5V,
+3.3V, +12V) dropping out of regulation limits.
1
mS
T
pwok_low
Duration of PWOK being in the deasserted state during an
off/on cycle using AC or the PSON# signal. .
100 mS
T
sb_vout
Delay from +5VSB being in regulation to O/Ps being in
regulation at AC turn on.
50 1000 mS