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

48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs

Output Specifications (continued)

Parameter

Min

Typ

Max

Notes

Output Current

0A

0A

0A

0A

-

-

-

-

12A

30A

45A

50A

Current Limit Threshold

14A

36A

55A

58A

15.5A

43A

62A

63A

18A

50A

70A

70A

Short Circuit Surge Transient

-

3A

5A

Ripple and Noise (RMS)

-

-

-

-

30mV

25mV

20mV

15mV

50mV

50mV

40mV

30mV

Ripple and Noise (pk-pk)

-

-

-

-

100mV

100mV

55mV

40mV

150mV

150mV

100mV

80mV

Test conditions:

0-20MHz BW, with a

1uF ceramic capacitor

and a 10uF Tantalum

capacitor at the output.

Turn on Time

20mS

-

100mS

Overshoot at Turn on

-

0%

5%

Output Capacitance

0uF

0uF

0uF

-

-

-

2200uF

10000uF

20000uF

Transient Response

Overshoot

-

600mV

800mV

50% ~ 75%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

600mV

800mV

75% ~ 50%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

150mV

300mV

50% ~ 75%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

150mV

300mV

75% ~ 50%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

100mV

200mV

50% ~ 75%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

100mV

200mV

75% ~ 50%

Max Load

Settling Time

-

200uS

300uS

Test conditions: di/dt =

0.1A/uS, Vin=48V, with

a 1uF ceramic

capacitor and a 10uF

Tantalum capacitor at

the output.

Note:

All specifications are typical at nominal input, full load at 25

°C unless noted.