Datasheet

www.recom-power.com
REV.: 4/2019 I-2
DC/DC Converter
Specifications (measured @ Ta= 25°C, full load, nominal input voltage and after warm-up)
R-78E-0.5
Series
ENVIRONMENTAL
Parameter Condition
Value
Operating Temperature Range natural convection and with derating (see graph) -40°C to +85°C
Maximum Case Temperature 100°C
Vibration 10-55Hz, 2G, 30min along X,Y,Z
MTBF according to MIL-HDBK-217F, G.B.
+25°C
+70°C
7976 x 10
3
hours
2182 x 10
3
hours
-40 -20 0 20 40 70
85
60-30 -10 10 30 50 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Output Load [%]
Ambient Temperature [°C]
Derating Graph
REGULATIONS
Parameter
Condition
Value
Output Accuracy ±3.0% typ.
Line Regulation low line to high line, full load ±0.5% typ.
Load Regulation 10% to 100% load ±1.0% typ.
PROTECTIONS
Parameter Condition Value
Short Circuit Protection (SCP) continuous, automatic recovery
Efficiency vs Load R-78E5.0-0.5
0 10 20 30 40 50 60 70 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Output Load [%]
7Vin
12Vin
24Vin
28Vin