User Instructions

2
1. Technical description
The DC / DC 5A (DC / DC50SD-SEP) buck converter is used to reduce the voltage from 20V ÷ 28V DC at the converter
input to 12VDC at the output. The maximum load current is I
MAX
=5A (P
MAX
= 60W). The module is galvanically isolated between
the input and output (IN-AUX).
1.1. Block diagram (Fig. 1).
Fig.1. Block diagram of the converter’s module.
1.2. Description of components and connectors (Fig. 2, Table 1, Table 2).
Table 1.
No.
[Fig. 2]
Component’s description
[1]
IN LED light - red
[2]
Power connector of the DC/DC module
[3]
AUX LED light – green
[4]
The DC/DC module’s connector
[5]
Mounting strip
Table 2.
[2], [5]
Description of module’s connectors
+IN
- IN
DC supply input
(20V÷28V DC, power consumption from the power source)
+AUX
- AUX
DC supply output 12V DC
(+AUX= +U, -AUX=GND)
Fig.2. The converter module’s view.