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PIN CONNECTIONS
PIN NUMBER
SINGLE OUTPUT
DUAL OUTPUT
1
+ Input
+ Input
2
– Input
– Input
3
+ Sense/Trim Down
+ Output
4
Trim
Common
5
– Sense/Trim Up
– Output
6
+ Output
No Pin
7
– Output
No Pin
8
Remote On/Off Control
INPUT
OUTPUT
OUTPUT
INPUT
TYPICAL
REGULATION
MODEL
VOLTAGE (1)
VOLTAGE
CURRENT
CURRENT (2)
EFFICIENCY
LINE (3)
LOAD (4)
NUMBER
9-18VDC
5VDC
5.0A
2.8A
75%
±0.2%
±1.0%
WR12S05/5000U
9-18VDC
12VDC
2.5A
3.2A
78%
±0.2%
±1.0%
WR12S12/2500U
9-18VDC
15VDC
2.0A
3.2A
78%
±0.2%
±1.0%
WR12S15/2000U
18-36VDC
5VDC
5.0A
1.35A
77%
±0.2%
±1.0%
WR24S05/5000U
18-36VDC
12VDC
2.5A
1.55A
80%
±0.2%
±1.0%
WR24S12/2500U
18-36VDC
15VDC
2.0A
1.55A
80%
±0.2%
±1.0%
WR24S15/2000U
36-72VDC
5VDC
5.0A
0.68A
77%
±0.2%
±1.0%
WR48S05/5000U
36-72VDC
12VDC
2.5A
0.78A
80%
±0.2%
±1.0%
WR48S12/2500U
36-72VDC
15VDC
2.0A
0.78A
80%
±0.2%
±1.0%
WR48S15/2000U
9-18VDC
±12VDC
±1.25A
3.05A
82%
±0.2%
±1.0%
WR12D12/1250U
9-18VDC
±15VDC
±1.0A
3.05A
82%
±0.2%
±1.0%
WR12D15/1000U
18-36VDC
±12VDC
±1.25A
1.5A
84%
±0.2%
±1.0%
WR24D12/1250U
18-36VDC
±15VDC
±1.0A
1.5A
84%
±0.2%
±1.0%
WR24D15/1000U
36-72VDC
±12VDC
±1.25A
0.73A
86%
±0.2%
±1.0%
WR48D12/1250U
36-72VDC
±15VDC
±1.0A
0.73A
86%
±0.2%
±1.0%
WR48D15/1000U
Notes
1
Nominal input 12, 24 and 48VDC.
2
Maximum at full load.
3
Measured from high line to low line.
4
Measured from full load to 0.25% full load.
5
In many cases, the isolation specification may be upgraded. Consult
factory for details.
6
MTBF figures are based on actual product performance. Consult factory
for details.
7
Fixed frequency design provides for easier input filtering and better noise
performance.
8
Standard specifications are conservative and can be optimised for specific
applications. In particular, converter start-up at lower than specified
temperature, wider input voltage range and output voltage adjustment are
all relatively simple modifications to the standard product. Consult factory
for details.
ALL DIMENSIONS IN INCHES (mm)
21
8
76
5 43
BOTTOM
VIEW
4.56
(115.80)
0.83
(21.10)
0.22 Min.
(5.60)
0.400
(10.200)
0.30
(7.60)
2.56
(66.00)
1.50
(38.10)
0.600
(15.200)
2.50
(63.50)
0.400
(10.200)
0.200
(5.100)
0.300
(7.600)
0.70
(17.80)
0.800
(20.300)
0.040 Dia.
(1.000)
10K
Ω
TRIMPOT
TRIM
UP
TRIM
DOWN
5
4
3
5
4
3
International Safety Standard Approvals
UL1950 File Numbers E136005 and E131987
EXTERNAL OUTPUT TRIMMING
Output can be externally trimmed
by ±10% using either method shown below.
30 Watt
Wide input DC/DC converters
DC/DC CONVERTERS
|
30W DC
PAGE 2
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