Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

©2006 Bel Fuse Inc.

Specifications subject to change without notice. 02.06

POWER PRODUCTS

NON-ISOLATED DC/DC CONVERTERS

BP06SRDB-07A

12V Input / 1.2V – 5.0V Output / 7A

page 11

SRDB-07A500 Trim Resistor Calculation

Rtrim down =

10.52

Vo – Vo, adj

– 4.55

(

Rtrim up =

2

Vo, adj – Vo

– 2.05

(

Output Voltage Set-Point Adjustment

SRDB-07A330 Trim Resistor Calculation

Rtrim down =

5.08

Vo – Vo, adj

– 4.55

(

Rtrim up =

3.175

Vo, adj – Vo

– 2.05

(

3.5

3.65

3.8

3.95

4.1

4.25

4.4

4.55

4.7

4.85

5

0.05

5.04

10.04

15.04

20.03

25.03

30.02

35.02

40.01

45

Adjusted outp ut voltage Vo,adj (V)

5

5.05

5.1

5.15

5.2

5.25

5.3

5.35

5.4

5.45

5.5

1

10.9

20.8

30.7

40.6

50.5

60.4

70.3

80.2

90.1

100

Adjusted outp ut voltage Vo,adj(V)

2.31

2.41

2.51

2.61

2.71

2.8

2.9

3

3.1

3.2

3.3

0.05

5.04

10.04

15.04

20.03

25.03

30.02

35.02

40.01

45

Adjusted outp ut voltage Vo,adj (V)

3.3

3.33

3.37

3.4

3.43

3.46

3.5

3.53

3.56

3.6

3.63

1

10.9

20.8

30.7

40.6

50.5

60.4

70.3

80.2

90.1

100

Adjusted outp ut voltage Vo,adj(V)