Datasheet
www.recom-power.com
REV.: 0/2019 I-2
DC/DC Converter
R-78HE-0.3
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
Efficiency vs. Load
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 [%]
Power Dissipation vs. Load
0.35
0.30
0.20
0.10
0.25
0.15
0.05
0
Power Dissipation [W]
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
REGULATIONS
Parameter Condition Value
Output Accuracy full load ±1.0% typ. / ±2.5% max.
Line Regulation low line to high line, full load
8-72Vin
6.5-72Vin
±1.0% typ.
±1.5% max.
Load Regulation 0% to 100% load 1.0% typ.
PROTECTIONS
Parameter Condition Value
Short Circuit Protection (SCP) below 100mW continuous, automatic recovery
Over Current Protection (OCP) hiccup mode, 160% typ.
2.5
2.0
1.0
0
-1.0
1.5
0.5
-0.5
-1.5
-2.5
-2.0
Deviation [%]
0 10 20 30 40 50 60 70 80 90 100
Output Load [%]
Deviation vs. Load