FPS300.245-049-102
All parameters are specified at 24 V, 12.5 A, 230 Vac, 25 °C ambient and after a 5 minutes run-in time unless otherwise noted.
Apr. 2022 / Rev. 0.2 FPS300-EN
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Hold-up Time
The hold-up time is the time during which a power supply’s output voltage remains within specification following the loss
of input power. The hold-up time is output load dependent. At no load, the hold-up time can be up to several seconds. The
status LED is also on during this time.
AC 100 V
AC 120 V
AC 230 V
Hold-up Time
typ.
75 ms
75 ms
75 ms
At 150 W output load, see Fig. 7-1
min.
56 ms
56 ms
56 ms
At 150 W output load, see
Fig. 7-1
typ.
44 ms
44 ms
44 ms
At 300 W output load, see
Fig. 7-1
min.
29 ms
29 ms
29 ms
At 300 W output load, see
Fig. 7-1
Fig. 7-1: Hold-up time vs. input voltage
Fig. 7-2: Shut-down behavior, definitions
Hold-up Time
Output
L1
Voltage
Input
-5%
Voltage