CXA20 Series
DC-DC CONVERTERS
20 W DC-DC Converters
INPUT
VOLTAGE
18-75 Vdc
18-75 Vdc
18-75 Vdc
18-75 Vdc
18-75 Vdc
Notes
1
2
3
4
5
6
7
8
Single and dual output
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT
VOLTAGE
3.3 V
5V
12 V
±5 V
±12 V
OVERVOLTAGE
PROTECTION
(2,3)
3.7 V
6.67 V
14.25 V
6.67 V
14.25 V
OUTPUT
CURRENT (MAX.)
6A
4A
1.66 A
2 A ea.
0.83 A ea.
TYPICAL
EFFICIENCY
80%
83%
83%
84%
84%
PIN CONNECTIONS
PIN NUMBER
1
2
3
4
5
6
7
8
SINGLE OUTPUT
+ Input
– Input
No Pin
Remote On/Off
No Pin
+ Output
- Output
Trim
DUAL OUTPUT
+ Input
- Input
No Pin
Remote On/Off
+ Output
Common
- Output
Trim
MODEL
NUMBER
(10,11)
CXA20-48S3V3J
CXA20-48S05J
CXA20-48S12J
CXA20-48D05J
CXA20-48D12J
Negative output voltage deviation when either load is changed.
For TVS/Zener specifications please see Application Note 107.
On dual output models, OVP protection is on positive outputs only.
With respect to minimum input voltage.
With one external 4 µF capacitor across the input.
Unit provides basic insulation up to the 75 Vdc maximum input voltage.
Maximum continuous output power not to exceed 20 Watts.
User must provide 2 A HRC (recommended) in line fuse in order to comply
with safety approvals.
9
Download Application Note 107 and the full data sheet from our website.
10
The ‘J’ suffix indicates that these parts are Pb-free (RoHS 6/6) compliant.
TSE RoHS 5/6 (non Pb-free) compliant versions may be available on
special request, please contact your local sales representative for details.
11
NOTICE: Some models do not support all options. Please contact your
local Artesyn representative or use the on-line model number search tool at
http://www.artesyn.com/powergroup/products.htm to find a suitable
alternative.
MAX. TEMPERATURES FOR FULL RATED OUTPUT CURRENT
MODEL
48S3V3J
48S05J
48S12J
48D05J
48D12J
FULL Vin RANGE
50 ˚C
55 ˚C
50 ˚C
55 ˚C
50 ˚C
Vin <60 Vdc
50 ˚C
60 ˚C
55 ˚C
60 ˚C
60 ˚C
EXTERNAL OUTPUT TRIMMING
All models can be externally trimmed by ±10% using either
method shown below. See Application Note 107 for details.
+ Output
- Output
TRIM
DOWN
TRIM
UP
Trim
100
Rated Output Current
CAUTION: Hazardous internal voltages and high temperatures.
Ensure that unit is not user accessible.
75%
80
60
40
20
0
-40˚C
-20˚C
0˚
20˚
40˚
60˚
80˚
100˚
Ambient Temperature
International Safety Standard Approvals
Derating Curve Output Current vs Temperature S3V3J
Natural Convection (<0.1 m/s airflow)
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950
File No. E174104
VDE Certificate No.112836. File No. 10401-3336-0154
CB Report and Certificate to IEC60950, Licence No. 121914
File Name: cxa20.pdf Rev (02): 09 Dec 2005
EMERSON-NETWORKPOWER [ EMERSON NETWORK POWER ]
