Data Sheet

CODE:
TYPE:
EN
Tel. [phone], fax: [phone], www.pulsar.pl, e-mail:[e-mail]
DC/DC 2A module of converter
DC/DC20SD v.1.0/IV
DC/DC 2A Step down DC/DC converter with adjustable output voltage.
DESCRIPTION
2 2The step down converter DC/DC A (DC/DC 0SD) is used for step down the input voltage from the range between
8V÷28V DC to the voltage range of 4,5V÷24V DC at the output, adjusted with the P1 potentiometer. The maximum load
current is Imax=2A (Pmax=24W). The 3V difference between the input (lowered) and output voltage is required for the
proper operation of the converter. The module does not feature galvanic isolation between input/output (IN-AUX) and
operates on common "ground" (0V) potential (IN- and AUX- terminals are galvanically connected = common terminal).
Pulsar
®
The module’s features:
· Step down DC/DC converter with adjustable output voltage
· Example of use: step down from 24V to 12V DC
· The input voltage range: 8÷28V DC
· The output voltage range: 4,5÷19V DC
· The minimum difference between input (lowered) and output
voltage: 3V
· The maximum load current 2A (24W)
· The PSU technical output indicating converter failure triggered
by:
· Short-circuit of the output
· Output overload
· Protections:
· Short-circuit protection SCP
· Overload protection OLP
· OHP overheating protection
· High efficiency: 80÷90%
· Optical LED indication
· Warranty – 2 years from the production date
· Mounting:
· Mounting strip with adhesive tape
· Mounting screws
The input voltage range (power supply)
8V÷28V DC
depending on the range set by the jumper
The output voltage range
4,5V÷6V, 6V÷9V, 9V÷13V, 13V÷19V
Jumper adjustable.
Factory setting: 12V.
The minimum difference between the input and
output voltage
3V
P module power
24W max.
Energy efficiency
80%÷ 90% for full range of power and loads
Ripple voltage
20mV p-p...50mV p-p
Output current
2A max.
Current consumption by module systems
10 mA max.
Short-circuit protection SCP and overload
protection OLP
180% - 200% of module power - output power limit,
automatic return after elimination of short circuit
Technical outputs
- PSU output indicating failure
- OC type, 50mA max. Failure status: hi-Z state (high
impedance), normal status: L level (0V)
Optical indication
- IN LED indicating DC power status
- AUX LED indicating DC supply status at the output
- PSU LED indicating failure
- red, normal status: is lit continuously
- green, normal status: is lit continuously
- red, normal status: does not lit, failure: is lit continuously
Operating conditions
II environmental class, -10°C ÷40°C, ensure air flow
around the unit for convection cooling
Dimensions
L=100, W=43, H=27 [+/- 2mm]
Net/gross weight
0,05/0,08 kg
Mounting
mounting tape or mounting screw x 2
Declarations, warranty
CE, 2 years from the production date
L
H
W