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

24 Vdc/48 Vdc Input 1.2 Vdc - 12 Vdc / 18 A - 3.5 A Outputs, 1/16 Brick

Output Specifications (continued)

Parameter

Min

Typ

Max

Notes

Regulation Over Temperature(-40

°C to +85 °C)

Vo=1.2 V

Vo=1.5 - 1.8 V

Vo=2.5 - 3.3 V

Vo=5.0 V

Vo=12 V

-

-

-

-

-

±4 mV

±6 mV

±9 mV

±15 mV

±20 mV

±9 mV

±14 mV

±16 mV

±30 mV

±35 mV

Output Current

Vo=1.2 V

Vo=1.5 V

Vo=1.8 V

Vo=2.5 V

Vo=3.3 V

Vo=5.0 V

Vo=12 V

0 A

0 A

0 A

0 A

0 A

0 A

0 A

-

-

-

-

-

-

-

-

18 A

16 A

14 A

12 A

10 A

8 A

3.5 A

Short Circuit Surge Transient

-

0.5 A

1 A

Current Limit Threshold

Vo=1.2 V

Vo=1.5 V

Vo=1.8 V

Vo=2.5 V

Vo=3.3 V

Vo=5.0 V

Vo=12 V

21 A

19 A

17 A

14 A

11 A

8.8 A

3.7 A

25 A

22 A

20 A

17 A

14 A

10 A

5 A

33 A

26 A

23 A

20 A

16 A

12.5 A

6 A

Ripple and Noise (rms)

Vo=1.2 V - 1.8 V

Vo=2.5 V

Vo=3.3 V

Vo=5.0 V

Vo=12 V

-

-

-

-

-

6 mV

10 mV

12 mV

25 mV

30 mV

12 mV

20 mV

25 mV

50 mV

55 mV

Ripple and Noise (pk-pk)

Vo=1.2 V - 1.8 V

Vo=2.5 V

Vo=3.3 V

Vo=5.0 V

Vo=12 V

-

-

-

-

-

40 mV

45 mV

55 mV

70 mV

90 mV

70 mV

80 mV

90 mV

120 mV

180 mV

Tested at 0-20 MHz

BW, with a 1 uF

ceramic capacitor and

a 10 uF Tantalum

capacitor at the

output.

Turn on Time

-

25 mS

50 mS

Overshoot at Turn on

-

0%

5%

Output Capacitance

Vo=1.2 V

Vo=1.5 V

Vo=1.8 V

Vo=2.5 V

Vo=3.3 V

Vo=5.0 V

Vo=12 V

470 uF

470 uF

470 uF

470 uF

330 uF

150 uF

10 uF

-

-

-

-

-

-

-

-

15000 uF

10000 uF

10000 uF

5600 uF

4700 uF

2200 uF

220 uF

Recommend to use

AVX TPS series

Tantalum capacitor as

min capacitor.