Datasheet

I-10
www.recom-electronic.com
REV: 1/2010
R-78AA-0.5
Application Examples
INNOLINE
DC/DC-Converter
+Vin
0V
R-78AA12-0.5SMD
C1
Reprogrammable
Flash Memory
24kW
"Program" = 0V, Pgm Pin = +5V
Flash Memory Program Voltage Switcher
Pgm
Program
220kW
"Program" = high, Pgm Pin = +12,6V
0V
+Vin
-Vin
R-78AAxx-0.5SMD
-Vout
+Vout
C1
C2
DC/DC Converter ( 1:1 )
- Improved loading / line regulation
- Wide Input Voltage Range
C1 , C2 : optional
- Point-of-Load Architecture
- High isolation voltage
On/Off
- Remote On/Off Control
R-78AAxx-0.5 SMD
Series
Optional Protection Circuit
R-78A(A)xx
-xxxSMD
-Vout
+Vout
+Vin
-Vin
Diode
Trim output voltage
up 1 diode drop
CTRL
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).
-Vout
+Vout
+Vin
-Vin
R-78A(A)xx
-xxxSMD
CTRL
Optional Protection 1:
Optional Protection 2:
R-78xx-xx
-Vout
+Vout
+Vin
-Vin
6800µF
Application example:
Driving a high capacitive load