Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302

 Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com

ISOLATED DC/DC CONVERTERS

48 Vdc Input 1.2 Vdc - 3.3 Vdc/15 A, 5 Vdc/12 A, 12 Vdc/5 A Output, 1/8 Brick

Nov. 22, 2010

Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.

Output Specifications

Parameter

Min

Typ

Max

Unit

Notes

Output Voltage Set Point

Vo=3.3 V

Vo=1.5 V

Vo=1.2 V

11.760

4.925

3.250

2.463

1.773

1.478

1.182

12.0

5.0

3.3

2.5

1.8

1.5

1.2

12.240

5.075

3.350

2.538

1.827

1.523

1.218

V

V

V

V

V

V

V

Vin=48 V, Io=50% full load,

Ta=25

C.

Line Regulation

Vo=3.3 V

Vo=1.5 V

Vo=1.2 V

-

-

-

-

-

-

-

24

5

3

3

3

3

3

48

10

7

7

7

7

7

mV

mV

mV

mV

mV

mV

mV

Load Regulation

Vo=3.3 V

Vo=1.5 V

Vo=1.2 V

-

-

-

-

-

-

-

30

10

7

6

5

5

5

60

20

15

12

10

10

10

mV

mV

mV

mV

mV

mV

mV

Regulation Over Temperature

(-40

C to +85 C)

Vo=3.3 V

Vo=1.5 V

-

-

-

-

-

-

-

60

45

30

25

20

15

12

100

75

50

40

30

25

20

mV

mV

mV

mV

mV

mV

mV

Output Current

Vo=3.3 V

Vo=1.5 V

Vo=1.2 V

0

0

0

0

0

0

0

-

-

-

-

-

-

-

5

12

15

15

15

15

15

A

A

A

A

A

A

A

Current Limit Threshold

Vo=3.3 V

Vo=1.5 V

Vo=1.2 V

5.5

13.5

16

16

16

16

16

6.5

16

18

18

18

18

18

8

19

20

20

20

20

20

A

A

A

A

A

A

A

Short Circuit Surge Transient

-

3

5

A