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R-551.2DA View Datasheet(PDF) - RECOM Electronic GmbH

Part Name
Description
View to exact match
R-551.2DA
Recom
RECOM Electronic GmbH Recom
R-551.2DA Datasheet PDF : 6 Pages
1 2 3 4 5 6
INNOLINE
DC/DC-Converter
Standard Application Circuit
R-5xxxPA_DA
Series
Vin
2, 3, 4
1µF C1 1
TTL OFF (Optional)
ON
Q1
Com
R-52XX
R-53XX
R-54XX
R-55XX
5, 6, 7,8
11
9, 10
12
R1
(Adjust down)
Vout
R2
(Adjust up)
C2 (Required)
100µF,
ESR= 150mW max.)
(see Note 1)
Add a blocking diode to
Vout if current can flow
backwards into the out-
put, as this can damage
the converter..
Com
Parallel Application Circuit
The R-52xx, R-53xx, R-54xx series can be used in parallel to upgrade the output current capacity for the
same output voltage.
For example, the R-543.3PA can parallel up with another R-554.3PA to give up to 8 amps or with the
R-533.3PA or R-523.3PA types to give output currents of up to 7 Amps or 6 Amps.
The R-55xx series cannot be paralleled.
Vin
ON/OFF
Control
Com
1
12
2
U1
11
3
10
Q1
C1 4 5 6 7 8 9
100µF/25V
(REQ`D)
C2-1
100µF/10V
(REQ`D)
C2-2
100µF/10V
(REQ`D)
45
3
2
1
67
U2
89
10
11
12
Vout
Com
must be connected
together
Component side
Solder side
1
12 U1
1
Keep 2mm to 5mm distance
between both converters
12 U2
12
C1
1
U1
C2-1
12
1 U2
C2-2
To Load
www.recom-power.com
REV: 1/2016
I-47
 

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