Application Note
TEN 50WI
TEN 50WI Series
CB
Scheme
50 Watt DC/DC converter in 1” x 2” x 0.4” package wide 4:1 input range.
Full datasheet: www.tracopower.com/products/ten50wi.pdf
Contentpage
Models 1
EMC consideration
1
Temperature Derating 2
Efficiency over load range 3
Output trimming 4
Models
Order code
Input voltage range
Output voltage
Output current max.
Efficiency
TEN 50-2410WI
3.3 VDC
10‘000 mA
90 %
TEN 50-2411WI
5.0 VDC
10’000 mA
91 %
12 VDC
4‘170 mA
92 %
15 VDC
3‘330 mA
92 %
TEN 50-2415WI
24 VDC
2‘080 mA
91 %
TEN 50-4810WI
3.3 VDC
10‘000 mA
90 %
TEN 50-4811WI
5.0 VDC
10’000 mA
91 %
12 VDC
4‘170 mA
92 %
15 VDC
3‘330 mA
92 %
24 VDC
2‘080 mA
91 %
9 – 36 VDC
TEN 50-2412WI
(nominal 24 VDC)
TEN 50-2413WI
18 – 75 VDC
TEN 50-4812WI
(nominal 48 VDC)
TEN 50-4813WI
TEN 50-4815WI
EMC Consideration
Filter suggestion to comply with EN55022 class A conducted noise emission
L1
+Vin
+Vout
C1
Load
-Vin
-Vout
C2
Input models
C1
24 VDC
10µF /50V, 1210 X7S
48 VDC
3.3µF /50V, 1210 X7S
http://www.tracopower.com
C2
1000pF / 2kV, 1206
L1
1.5µH
6.8µH
Page 1 of 4
Application Note
TEN 50WI Series
Temperature Derating
Derating without heatsink
3.3 VDC models
Derating with heatsink
61
100
80
80
Output Power (%)
Output Power (%)
69
100
60
40
20
60
40
20
0
0
-40
0
20
40
60
80
-40
100 110
0
20
Ambient Temperature ˚C
12 & 15 VDC models
53
100
80
100 110
80
100 110
80
100 110
62
80
Output Power (%)
Output Power (%)
60
100
80
60
40
20
60
40
20
0
0
-40
0
20
40
60
80
100 110
-40
0
20
Ambient Temperature ˚C
5.0 & 24 VDC models
100
46
60
57
100
Output Power (%)
80
60
40
20
60
40
20
0
-40
40
Ambient Temperature ˚C
80
Output Power (%)
40
Ambient Temperature ˚C
0
0
20
40
60
Ambient Temperature ˚C
http://www.tracopower.com
80
100 110
-40
0
20
40
60
Ambient Temperature ˚C
Page 2 of 4
Application Note
TEN 50WI Series
Efficiency vs Load
TEN 50-2410WI
100
90
90
80
80
Efficiency(%)
Efficiency(%)
TEN 50-2410WI
100
70
60
70
60
9V
50
9V
50
24V
36V
40
10
20
30
40
50
60
70
80
90
24V
36V
40
100
10
20
30
40
% of Full Load
60
70
80
90
100
% of Full Load
TEN 50-2413WI
TEN 50-2412WI
100
100
90
90
80
80
Efficiency(%)
Efficiency(%)
50
70
60
70
60
9V
50
9V
50
24V
36V
40
10
20
30
40
50
60
70
80
90
24V
36V
40
100
10
20
30
40
% of Full Load
60
70
80
90
100
% of Full Load
TEN 50-2415WI
TEN 50-4810WI
100
100
90
90
80
80
Efficiency(%)
Efficiency(%)
50
70
60
70
60
9V
50
18V
50
24V
36V
40
10
20
30
40
50
60
70
80
90
48V
75V
40
100
10
20
30
40
% of Full Load
60
70
80
90
100
% of Full Load
TEN 50-4811WI
TEN 50-4812WI
100
100
90
90
80
80
Efficiency(%)
Efficiency(%)
50
70
60
70
60
18V
50
18V
50
48V
75V
40
10
20
30
40
50
60
70
80
90
48V
75V
40
100
10
20
30
40
% of Full Load
60
70
80
90
100
% of Full Load
TEN 50-4815WI
TEN 50-4813WI
100
100
90
90
80
80
Efficiency(%)
Efficiency(%)
50
70
60
70
60
18V
50
48V
75V
40
10
20
30
40
50
60
% of Full Load
http://www.tracopower.com
70
80
90
100
18V
50
48V
75V
40
10
20
30
40
50
60
70
80
90
100
% of Full Load
Page 3 of 4
Application Note
TEN 50WI Series
External Output Trimming
Trim up
Trim down
Trim
+Vout
Rd
Ru
Trim
- Vout
Trim resistor values:
3.3 VDC models
Trim down
1
Vout=
Vox0.99
Rd=
63.59
2
Vox0.98
30.28
3
Vox0.97
18.19
4
Vox0.96
11.95
5
Vox0.95
8.13
6
Vox0.94
5.56
7
Vox0.93
3.70
8
Vox0.92
2.31
9
Vox0.91
1.21
10
%
Vox0.90
Volts
0.34
KOhms
1
Vox1.01
70.50
2
Vox1.02
29.28
3
Vox1.03
16.87
4
Vox1.04
10.90
5
Vox1.05
7.38
6
Vox1.06
5.06
7
Vox1.07
3.42
8
Vox1.08
2.20
9
Vox1.09
1.25
10
%
Vox1.10
Volts
0.49
KOhms
5.0 VDC models
Trim down
1
Vout=
Vox0.99
Rd=
45.53
2
Vox0.98
20.61
3
Vox0.97
12.31
4
Vox0.96
8.15
5
Vox0.95
5.66
6
Vox0.94
4.00
7
Vox0.93
2.81
8
Vox0.92
1.92
9
Vox0.91
1.23
10
%
Vox0.90
Volts
0.68
KOhms
1
Vox1.01
36.57
2
Vox1.02
16.58
3
Vox1.03
9.92
4
Vox1.04
6.59
5
Vox1.05
4.59
6
Vox1.06
3.25
7
Vox1.07
2.30
8
Vox1.08
1.59
9
Vox1.09
1.03
10
%
Vox1.10
Volts
0.59
KOhms
12 VDC models
Trim down
1
Vout=
Vox0.99
Rd=
394.50
2
Vox0.98
179.74
3
Vox0.97
106.08
4
Vox0.96
68.86
5
Vox0.95
46.39
6
Vox0.94
31.36
7
Vox0.93
20.60
8
Vox0.92
12.51
9
Vox0.91
6.21
10
Vox0.90
1.17
%
Volts
KOhms
1
Vox1.01
368.92
2
Vox1.02
161.92
3
Vox1.03
94.97
4
Vox1.04
61.86
5
Vox1.05
42.12
6
Vox1.06
29.00
7
Vox1.07
19.66
8
Vox1.08
12.66
9
Vox1.09
7.23
10
Vox1.10
2.89
%
Volts
KOhms
15 VDC models
Trim down
1
Vout=
Vox0.99
Rd=
572.67
2
Vox0.98
248.63
3
Vox0.97
145.60
4
Vox0.96
94.97
5
Vox0.95
64.87
6
Vox0.94
44.92
7
Vox0.93
30.72
8
Vox0.92
20.10
9
Vox0.91
11.86
10
Vox0.90
5.28
%
Volts
KOhms
1
Vox1.01
392.98
2
Vox1.02
182.12
3
Vox1.03
108.73
4
Vox1.04
71.43
5
Vox1.05
48.85
6
Vox1.06
33.71
7
Vox1.07
22.86
8
Vox1.08
14.69
9
Vox1.09
8.33
10
Vox1.10
3.23
%
Volts
KOhms
24 VDC models
Trim down
1
Vout=
Vox0.99
Rd=
318.05
2
Vox0.98
146.05
3
Vox0.97
85.8
4
Vox0.96
55.51
5
Vox0.95
37.415
6
Vox0.94
25.625
7
Vox0.93
16.515
8
Vox0.92
9.81
9
Vox0.91
4.9785
10
Vox0.90
0.9185
%
Volts
KOhms
4
Vox1.04
109.255
6
Vox1.06
63.38
8
Vox1.08
39.025
10
Vox1.1
27.52
12
Vox1.12
18.39
14
Vox1.14
11.77
16
Vox1.16
7.29
18
Vox1.18
3.308
20
Vox1.20
0.3658
%
Volts
KOhms
Trim up
Vout=
Ru=
Trim up
Vout=
Ru=
Trim up
Vout=
Ru=
Trim up
Vout=
Ru=
Trim up
Vout=
Ru=
2
Vox1.02
247.2
Specifications can be changed without notice! Make sure you are using the latest documentation, downloadable at www.tracopower.com
www.tracopower.com
Rev. October 18. 2013
Page 4 of 4