MJW25 SERIES
DC/DC CONVERTER 25W, Highest Power Density
Total Power International, Inc.
Heatsink (Option –HS)
Mechanical Dimensions
Heatsink Material: Aluminum
Finish: Anodic treatment (black)
Weight: 2g
17.46
[0.69] Max.
►The advantages of adding a heatsink are:
31.0 [1.22] Max.
1.To help heat dissipation and increase the stability
and reliability of DC/DC converters at high
operating temperature atmosphere.
Heat-Sink
Thermal Pad
Clamp
Converter
2.To upgrade the operating temperature of DC/DC
converters, please refer to Derating Curve.
External Output Trimming
Output can be externally trimmed by using the method shown below
Rd
Ru
3
4
5
3
4
5
MJW25 Module
Bottom View
MJW25 Module
Bottom View
1
2
6
1
2
6
Trim Down
Trim Up
MJW25-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
MJW25-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
MJW25-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
MJW25-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
Total Power International, Inc
Toll Free: 877-646-0900
www.total-power.com