Data Sheet

Table Of Contents
CODE:
TYPE:
EN
Tel. +48-14-610-19-40, fax: +48-14- 610-19-50, www.pulsar.pl, e-mail:sales@pulsar.pl
DC/DC 5A module of converter switching
DC/DC50SD-SEP v.1.0/I
DC/DC 5A step down DC/DC converter with separation
L
W
H
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 IMAX=5A (P = 60W). The module is
MAX
galvanically isolated between the input and output (IN-AUX).
Pulsar
®
The module’s features:
· The DC/DC voltage - step down converter
· Example of use: voltage - step down from 24V to
12V DC
· Input voltage range: 20÷28V DC
· Output voltage: 12V DC
· Maximum load current 5A (60W)
· Protections:
· Short-circuit protection SCP
· Overload protection OLP
· Over voltage protection OVP
· Galvanic separation between input/output (IN-AUX)
· High efficiency: 87%
· Optical LED indication
· Warranty – 2 years from the production date
· Mounting:
· Mounting strip with adhesive tape
· Mounting screws
The input voltage range (power supply)
20V÷28V DC
The output voltage range
12V DC
P module power
60W max.
Energy efficiency
87%
Ripple voltage
50mV p-p max.
Output current
5A max.
Current consumption by module systems
50 mA max.
Short-circuit protection SCP
electronic, automatic recovery
Overload protection OLP
110-150% of the module’s power, manual restart (the failure
requires disconnection of the DC output circuit)
Overvoltage protection OVP
>16V (activation requires disconnecting the load or supply
for about 20 s.)
Optical indication
- IN LED indicating DC power status
- AUX LED indicating DC supply status at the output
- red, normal status: is lit continuously
- green, normal status: is lit continuously
Insulation electrical strength
- between the input (IN), and the output circuits of
the converter (AUX) (I/P-O/P)
500 V/DC min.
Insulation resistance
- between input, output, and protective circuit
100MΩ, 500V DC
Operating conditions
II environmental class, -10°C ÷40°C, ensure air flow around
the unit for convection cooling
Dimensions
150 x 50 x 60 (L x W x H)
Net/gross weight
0,23/0,27 kg
Mounting
mounting tape or mounting screw x 2
Declarations, warranty
CE, 2 years from the production date

Summary of content (1 pages)