Datasheet

www.recom-power.com
REV.: 4/2019 I-2
DC/DC Converter
R-78Bxx-1.0(L)
Series
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
Efficiency vs. Vin (full load)
Efficiency vs. Load (max. Vin)
Efficiency vs. Load (min. Vin)
Ripple vs. Vin (full load)
Ripple vs. Load (max. Vin)
Ripple vs. Load (min. Vin)
4.75 9 13 17 21 25 29 32
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Input Voltage [VDC]
3.3Vout
2.5Vout
1.8Vout
1.5Vout
15Vout
12Vout
9Vout
6.5Vout
5Vout
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 [%]
3.3Vout
2.5Vout
1.8Vout
1.5Vout
15Vout
12Vout
9Vout
6.5Vout
5Vout
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 [%]
3.3Vout
2.5Vout
1.8Vout
1.5Vout
15Vout
12Vout
9, 6.5Vout
5Vout
50
40
30
20
45
35
25
15
10
5
0
Ripple [mV]
Input Voltage [VDC]
4.75 9 13 17 21 25 29 32
3.3Vout
2.5Vout
1.8, 1.5Vout
15Vout
12, 9Vout
6.5Vout
5Vout
0 10 20 30 40 50 60 70 80 90
100
50
30
40
20
35
45
25
15
10
5
0
Ripple [mV]
Output Load [%]
3.3Vout
2.5Vout
1.8, 1.5Vout
15Vout
12, 9Vout
6.5Vout
5Vout
0 10 20 30 40 50 60 70 80 90
100
50
35
45
25
30
40
20
15
10
5
0
Ripple [mV]
Output Load [%]
15, 12, 9Vout
6.5Vout
2.5, 3.3, 5Vout
1.5, 18Vout