Application notes
PS2031-2410-0000
33
Version: 1.0
Fig. 20: When using only two phases: Permissible output current; Hold-up time
Fig. 21: When using only two phases: Efficiency relative to output current at 24 V; losses relative to output
current at 24 V
4.7
Use in a tightly sealed enclosure
When the power supply is installed in a tightly sealed enclosure, the temperature inside the enclosure is
higher than outside. In this case, the temperature inside the enclosure is considered the ambient
temperature for the power supply.
In the following test arrangement, the device is placed at the center of the enclosure, and there are no other
heat-generating objects in the enclosure. The load is placed outside the box.
The temperature sensor inside the box is placed at the center of the right side of the power supply at a
distance of 1 cm.
The following measurement results can be used as a reference to estimate the temperature rise within the
enclosure.
