R-78AA1.5-0.5SMD

R-78AA-0.5
Application Examples
INNOLINE
DC/DC-Converter
+Vin
GND
R-78AAxx-0.5SMD
GND
+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
GND
+Vout
+Vin
GND
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).
GND
+Vout
+Vin
GND
R-78A(A)xx
-xxxSMD
CTRL
Optional Protection 1:
Optional Protection 2:
R-78xx-xx
GND
+Vout
+Vin
GND
6800µF
Application example:
Driving a high capacitive load
I-10 www.recom-power.comREV: 2/2016
R-78AA-0.5
12.35
Bottom View
0.50
Top View
15.30
8.80
15.00
2.54x4
9.24
10 7
2
4
5
9.40
9.60
RECOM
R-78AAxx-1.0SMD
xxxx
1
2.54
13.00
1.80
10 7
2415
1.30
1.20
3
68
9
3
6
89
Package Style and Pinning (mm)
SMD 10Pin Package
Pin Connections
Pin #
1,2 +Vin
3,7,8,9 GND
4,5 +Vout
6 V adj
10 Remote On/Off
xx.x ±0.5mm
xx.xx ±0.25mm
Table 1: Adjustment Resistor Values
INNOLINE
DC/DC-Converter
R-78AAxx-0.5 SMD
Series
Recommended Footprint Details
R1 R2 R3 Vref(V)
1.8V 10KΩ 21KΩ 5.6KΩ 1.23
2.5V 22KΩ 21KΩ 5.6KΩ 1.23
3.3V 16.9KΩ 10KΩ 5.6KΩ 1.23
5.0V 30.9KΩ 10KΩ 10KΩ 1.23
6.5V 43KΩ 10KΩ 10KΩ 1.23
9V 63.4KΩ 10KΩ 22.1KΩ 1.23
12V 88.7KΩ 10KΩ 22.1KΩ 1.23
Rdown
Rup
Vadj
+V
o
GND
R3
R1
R2
+V
in
GND
Controlled IC
Vref
R2(R1+R3) x (Vref - Vo) + Vref x R1R3
Trim Down Rdown =
R
2Vo - Vref (R1 + R2)
R
2R3 (Vref - Vo) + Vref R1 (R2 + R3)
Trim up R
up =
R
2 (Vo - Vref) - Vref R1
www.recom-power.com I-11REV: 2/2016
The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit
written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer
shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications.

R-78AA1.5-0.5SMD

Mfr. #:
Manufacturer:
Description:
Non-Isolated DC/DC Converters 0.5A DC/DC REG 4.75-30Vin 1.5Vout
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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