Datasheet
R-78B-1.0
www.recom-international.com I-23REV: 1/2013
INNOLINE
DC/DC-Converter
Characteristics
Efficiency (%)
50
Efficiency Vs
Vin (Full Load)
Vo=1.8V
Vo=2.5V
Vo=5V
Vo=3.3V
25
Vin ( V )
10
20
34
75
100
Vo=1.5V
Vo=12V
Vo=15V
Vo=9V
Vo=6.5V
Efficiency
Efficiency (%)
100
0.2
Efficiency Vs
Load ( Vin=Max )
Vo=1.5V
Vo=3.3V
Vo=5V
Vo=2.5V
50
Output Current ( A )
0.4
0.6
0.8
1.0
1.2
75
25
Vo=1.8V
Vo=15V
Vo=12V
Vo=6.5V
Vo=9V
Efficiency (%)
100
0.2
Efficiency Vs
Load ( Vin=Min )
Vo=1.5V
Vo=3.3V
Vo=5V
Vo=2.5V
50
Output Current ( A )
0.4
0.6
0.8
1.0
1.2
75
25
Vo=1.8V
Vo=15V
Vo=12V
Vo=9V, 6,5V
Ripple (mV)
50
Ripple Vs
Vin ( Full Load )
Vo=1.5V,1.8V
Vo=2.5V
Vo=5V
Vo=3.3V
25
Vin ( V )
10 20
34
Vo=9V,12V
Vo=15V
Vo=6.5V
Ripple
Ripple (mV)
50
0.2
Ripple Vs
Load ( Vin=Max )
Vo=1.5V, 1.8V
Vo=2.5V
Vo=5V
Vo=3.3V
25
Output Current ( A )
0.4
0.6
0.8
1.0
1.2
Vo=9V, 12V
Vo=15V
Vo=6.5V
Ripple (mV)
50
0.2
Ripple Vs
Load ( Vin=Min )
Vo=1.5V,1.8V
Vo=2.5V,3.3V,5V
Vo=9V,12V,15V
25
Output Current ( A )
0.4
0.6
0.8
1.0
1.2
Vo=6.5V
R-78Bxx-1.0
(L) Series
Add a blocking diode to Vout if
current can flow backwards into
the output, as this can damage
the converter when it is powered
down.
The diode can either be fitted
across the device if the source is
low impedance or fitted in series
with the output (recommended).
Optional Protection Circuit
Optional Protection 1:
Optional Protection 2:
R-78xx-xx
-Vout
+Vout
+Vin
-Vin
R-78xx-xx
-Vout
Vout=
+Vout -
0.3V
+Vin
-Vin
Schottky Diode