INNOLINE
DC/DC-Converter
Characteristics
Efficiency
R-78xx-1.0
Series
Ripple
100
75
Vo=5V
Vo=3.3V
Vo=2.5V
Vo=1.8V
50
50
25
25
Vo=5V
Vo=3.3V
Vo=2.5V
Vo=1.8V
5
10
15
18
5
10
15
18
Vin ( V )
Efficiency Vs Vin (Full Load)
Vin ( V )
Ripple Vs Vin ( Full Load )
Vo=2.5V
100
75
Vo=5V
Vo=3.3V
Vo=1.8V
50
50
25
25
Vo=5V
Vo=3.3V
Vo=2.5V
Vo=1.8V
0.2
0.4
0.6
0.8
1.0
1.2
0.2
0.4
0.6
0.8
1.0
1.2
Output Current ( A )
Efficiency Vs Load ( Vin=Max )
Output Current ( A )
Ripple Vs Load ( Vin=Max )
Vo=2.5V
100
75
50
25
Vo=5V
Vo=3.3V
Vo=1.8V
50
25
Vo=5V
Vo=3.3V
Vo=2.5V
Vo=1.8V
0.2
0.4
0.6
0.8
1.0
1.2
0.2
0.4
0.6
0.8
1.0
1.2
Output Current ( A )
Efficiency Vs Load ( Vin=Min )
Output Current ( A )
Ripple Vs Load ( Vin=Min )
*Note: Operation under no load will not damage these devices, however they may not meet all specifications. A minimum load of 10mA is recommended
Optional Protection Circuit
Add a blocking diode to Vout if
current can flow backwards into
the output, as this can damage
the converter when it is powered
Optional Protection 1:
Optional Protection 2:
down.
+Vin
R-78xx-xx
+Vout
+Vin
R-78xx-xx
Vout=
+Vout -
0.3V
The diode can either be fitted
across the device if the source is
low impedance or fitted in series
with the output (recommended).
Schottky Diode
www.recom-international.com
-Vin
-Vout
REV: 0/2014
-Vin
-Vout
I-13
相关PDF资料
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R-78AA9.0-0.5SMD-R CONV DC/DC 0.5A 11-32VIN 9V
R-78B9.0-1.0L CONV DC/DC 1A 12-32VIN 9V
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