Rev B

DHW40 SERIES

40 Watts

DC/DC Power Converter

Single & Dual Outputs

1/9/2018

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 •

Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

Page 9 of 12

EXTERNAL OUTPUT TRIMMING

Output can be externally trimmed using the method shown below:

3.3VDC Models

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox0.99

Vox0.98

Vox0.97

Vox0.96

Vox0.95

Vox0.94

Vox0.93

Vox0.92

Vox0.91

Vox0.90

Volts

Rd=

72.61

32.55

19.20

12.52

8.51

5.84

3.94

2.51

1.39

0.50

KOhms

Trim Up

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox1.01

Vox1.02

Vox1.03

Vox1.04

Vox1.05

Vox1.06

Vox1.07

Vox1.08

Vox1.09

Vox1.10

Volts

Ru=

60.84

27.40

16.25

10.68

7.34

5.11

3.51

2.32

1.39

0.65

KOhms

5VDC Models

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox0.99

Vox0.98

Vox0.97

Vox0.96

Vox0.95

Vox0.94

Vox0.93

Vox0.92

Vox0.91

Vox0.90

Volts

Rd=

138.88

62.41

36.92

24.18

16.53

11.44

7.79

5.06

2.94

1.24

KOhms

Trim Up

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox1.01

Vox1.02

Vox1.03

Vox1.04

Vox1.05

Vox1.06

Vox1.07

Vox1.08

Vox1.09

Vox1.10

Volts

Ru=

106.87

47.76

28.06

18.21

12.30

8.36

5.55

3.44

1.79

0.48

KOhms

12VDC Models

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox0.99

Vox0.98

Vox0.97

Vox0.96

Vox0.95

Vox0.94

Vox0.93

Vox0.92

Vox0.91

Vox0.90

Volts

Rd=

413.55

184.55

108.22

70.05

47.15

31.88

20.98

12.80

6.44

1.35

KOhms

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox1.01

Vox1.02

Vox1.03

Vox1.04

Vox1.05

Vox1.06

Vox1.07

Vox1.08

Vox1.09

Vox1.10

Volts

Rd=

351.00

157.50

93.00

60.75

14.40

28.50

19.29

12.37

7.00

2.70

KOhms

15VDC Models

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox0.99

Vox0.98

Vox0.97

Vox0.96

Vox0.95

Vox0.94

Vox0.93

Vox0.92

Vox0.91

Vox0.90

Volts

Rd=

530.73

238.61

141.24

92.56

63.35

43.87

29.96

19.53

11.41

4.92

KOhms

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox1.01

Vox1.02

Vox1.03

Vox1.04

Vox1.05

Vox1.06

Vox1.07

Vox1.08

Vox1.09

Vox1.10

Volts

Rd=

422.77

189.89

112.26

73.44

50.15

34.63

23.54

15.22

8.75

3.58

KOhms

24VDC Models

Trim Down

1

2

3

4

5

6

7

8

9

10

%

Vout=

Vox0.99

Vox0.98

Vox0.97

Vox0.96

Vox0.95

Vox0.94

Vox0.93

Vox0.92

Vox0.91

Vox0.90

Volts

Rd=

333.39

148.80

87.26

56.50

38.04

25.73

16.94

10.35

5.22

1.12

KOhms

Trim Down

2

4

6

8

10

12

14

16

18

20

%

Vout=

Vox1.02

Vox1.04

Vox1.06

Vox1.08

Vox1.1

Vix1.12

Vox1.14

Vox1.16

Vox1.18

Vox1.2

Volts

Rd=

243.70

108.50

63.43

40.90

27.38

18.37

11.93

7.10

3.34

0.34

KOhms