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

3

ISOLATED DC/DC CONVERTERS

48 Vdc Input

3.3 Vdc - 24 Vdc/7 A - 1.25 A Output

Nov. 29, 2010

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

Output Specifications (continued)

Parameter

Min

Typ

Max

Unit

Notes

Regulation Over Temperature

(-40

C to +85 C)

-

-

-

-

-

30

40

100

120

150

50

70

170

200

240

mV

mV

mV

mV

mV

Total Regulation

-

-

-

-

-

33

46

114

140

150

58

83

198

250

330

mV

mV

mV

mV

mV

Ripple and Noise (pk-pk)

-

-

-

-

-

40

40

40

80

85

75

75

75

120

150

mV

mV

mV

mV

mV

Ripple and Noise (rms)

-

-

-

-

-

10

10

10

15

20

20

20

20

30

40

mV

mV

mV

mV

mV

Test condition of the output

ripple and noise: 0-20 MHz BW,

with a 1 µF ceramic capacitor

and a 10 uF/35 V electrolytic

capacitor at the output.

Output Current Range

0

0

0

0

0

-

-

-

-

-

7.0

5.0

2.5

2.0

1.25

A

A

A

A

A

Output DC Current Limit

7.7

5.5

3.0

2.2

1.5

-

-

-

-

-

12.0

8.0

4.2

3.4

2.2

A

A

A

A

A

Short Circuit Surge Transient

-

0.5

1

A

Turn on Time

-

10

25

mS

Overshoot at Turn on

-

0

5

%

Output Capacitance

0

0

0

0

0

-

-

-

-

-

3300

2200

330

330

330

uF