R-78B-2.0
DC/DC Converter
Specifications (measured @ ta= 25°C, nom. Vin, full load and after warm up unless otherwise specified)
Series
Efficiency vs. Load
R-78B3.3-2.0
R-78B5.0-2.0
100
100
80
60
80
60
40
20
0
40
20
0
4.75Vin
6Vin
12Vin
15Vin
24Vin
32Vin
6.5Vin
12Vin
15Vin
24Vin
32Vin
0
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
2.0
Output Current [A]
Output Current [A]
Efficiency vs. Input Voltage
R-78B3.3-2.0
R-78B5.0-2.0
100
100
80
60
80
60
40
20
0
40
20
0
4.75
12.8
20.8
28.8 32.0
6.5
13.0
19.5
26.0
32.0
Input Voltage [VDC]
Input Voltage [VDC]
REGULATIONS
Parameter
Output Accuracy
Line Regulation
Load Regulation
Condition
Value
2.0% typ.
0.5% typ.
1.0% typ.
low line to high line, full load
0% to 100% load
PROTECTIONS
Parameter
Condition
below 100mW
<5Vout
Value
Short Circuit Protection (SCP)
continuous, autmatic recovery
50mA typ.
75mA typ.
Short Circuit Input Current
nom. Vin= 24VDC
≥5Vout
I-2
REV.: 0/2017
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