Datasheet
www.recom-power.com
REV.: 5/2019 I-6
DC/DC Converter
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
R-78xx-0.5
Series
INSTALLATION AND APPLICATION
continued on next page
Dual Output (two Converters) with Negative Output
Selection Guide - Negative Output
Notes:
Note7: Maximum Capacitive Load including C2 is 220µF
Part Input Output Output Efficiency External Capacitor
Number Voltage Range Voltage Current @ min Vin @ max. Vin C1 C2
(7)
[VDC] [VDC] [A] [%] [%]
R-781.5-0.5 4.75 - 28 -1.5 -0.4 68 67 10µF/35V 22µF/6.3V
R-781.8-0.5 4.75 - 28 -1.8 -0.4 71 70 10µF/50V 22µF/6.3V
R-782.5-0.5 4.75 - 28 -2.5 -0.4 75 76 10µF/50V 22µF/6.3V
R-783.3-0.5 4.75 - 28 -3.3 -0.4 77 80 10µF/50V 22µF/6.3V
R-785.0-0.5 4.75 - 28 -5.0 -0.4 79 84 10µF/50V 22µF/10V
R-786.5-0.5 5.0 - 26 -6.5 -0.3 81 86 10µF/50V 10µF/10V
R-789.0-0.5 8.0 - 18 -9.0 -0.2 87 89 10µF/50V 10µF/16V
R-7812-0.5 8.0 - 18 -12 -0.2 87 90 10µF/50V 10µF/25V
R-7815-0.5 8.0 - 18 -15 -0.2 87 81 10µF/50V 10µF/25V
Pin Connections
Pin # Negative Positive
1 +Vin +Vin
2 -Vout GND
3 GND +Vout
+V
in
-V
out
C2
C1
GNDGND
R-78xx-0.5
2
31
+V
in
-V
out
C2
C1
+V
out
GNDGND
R-78xx-0.5
2
31
R-78xx-0.5
2
31
+V
in
-V
out
C2
C1
GNDGND
R-78xx-0.5
2
31
+V
in
-V
out
C2
C1
+V
out
GNDGND
R-78xx-0.5
2
31
R-78xx-0.5
2
31
Positive to Negative Converter
C1 and C2 are required and should
be fitted close to the converter pins.
Maximum capacitive load including
C2 is 220µF
1 2 3