MJWI20 SERIES
DC/DC CONVERTER 20W, Highest Power Density
Total Power International, Inc.
EMI-Filter to meet EN 55022, class A; FCC part 15 ,level A
Conducted and radiated emissions EN55022 Class A
Model
Component
Value
MJWI20-24XXX
C1
L1
C1
L1
3.3μF/50V 1210 X7R MLCC
SMTDR54-6R5M-JT8
MJWI20-48XXX
2.2μF/100V 1210 X7R MLCC
SMTDR54-120M-JT8
External Output Trimming
Output can be externally trimmed by using the method shown below
Rd
Ru
3
4
5
3
4
5
MJWI20 Module
Bottom View
MJWI20 Module
Bottom View
1
2
6
1
2
6
Trim Down
Trim Up
MJWI20-XXS033 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
0.34
%
Volts
KOhms
Vox0.99
63.59
Vox0.98
30.28
Vox0.97
18.19
Vox0.96
11.95
Vox0.95
8.13
Vox0.94
5.56
Vox0.93
3.70
Vox0.92
2.31
Vox0.91
1.21
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
0.49
%
Volts
KOhms
Vox1.01
70.50
Vox1.02
29.28
Vox1.03
16.87
Vox1.04
10.90
Vox1.05
7.38
Vox1.06
5.06
Vox1.07
3.42
Vox1.08
2.20
Vox1.09
1.25
MJWI20-XXS05 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
0.68
%
Volts
KOhms
Vox0.99
45.53
Vox0.98
20.61
Vox0.97
12.31
Vox0.96
8.15
Vox0.95
5.66
Vox0.94
4.00
Vox0.93
2.81
Vox0.92
1.92
Vox0.91
1.23
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
0.59
%
Volts
KOhms
Vox1.01
36.57
Vox1.02
16.58
Vox1.03
9.92
Vox1.04
6.59
Vox1.05
4.59
Vox1.06
3.25
Vox1.07
2.30
Vox1.08
1.59
Vox1.09
1.03
MJWI20-XXS12 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
1.17
%
Volts
KOhms
Vox0.99
394.50
Vox0.98
179.74
Vox0.97
106.08
Vox0.96
68.86
Vox0.95
46.39
Vox0.94
31.36
Vox0.93
20.60
Vox0.92
12.51
Vox0.91
6.21
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
2.89
%
Volts
KOhms
Vox1.01
368.92
Vox1.02
161.92
Vox1.03
94.97
Vox1.04
61.86
Vox1.05
42.12
Vox1.06
29.00
Vox1.07
19.66
Vox1.08
12.66
Vox1.09
7.23
MJWI20-XXS15 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
5.28
%
Volts
KOhms
Vox0.99
572.67
Vox0.98
248.63
Vox0.97
145.60
Vox0.96
94.97
Vox0.95
64.87
Vox0.94
44.92
Vox0.93
30.72
Vox0.92
20.10
Vox0.91
11.86
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
3.23
%
Volts
KOhms
Vox1.01
392.98
Vox1.02
182.12
Vox1.03
108.73
Vox1.04
71.43
Vox1.05
48.85
Vox1.06
33.71
Vox1.07
22.86
Vox1.08
14.69
Vox1.09
8.33
MJWI20-XXS24 Trim Table
Trim down
Vout=
1
2
3
4
5
6
7
8
9
10
Vox0.90
3.19
%
Volts
KOhms
Vox0.99
598.89
Vox0.98
267.94
Vox0.97
157.63
Vox0.96
102.47
Vox0.95
69.38
Vox0.94
47.31
Vox0.93
31.56
Vox0.92
19.74
Vox0.91
10.54
Rd=
Trim up
Vout=
Ru=
1
2
3
4
5
6
7
8
9
10
Vox1.10
2.81
%
Volts
KOhms
Vox1.01
487.11
Vox1.02
218.06
Vox1.03
128.37
Vox1.04
83.53
Vox1.05
56.62
Vox1.06
38.69
Vox1.07
25.87
Vox1.08
16.26
Vox1.09
8.79
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com
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