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 3.3V/60A, 5V/40A, 12V/17A Output

Output Specifications

Parameter

Min

Typ

Max

Notes

Output Voltage Set Point

Vo=3.3V

11.820V

4.925V

3.250V

12.0V

5.0V

3.3V

12.180V

5.075V

3.350V

Vin=48V, Io=50% full

load, Ta=25

°C.

Line Regulation

-

-

-

±12mV

±5mV

±3mV

±24mV

±10mV

±7mV

Load Regulation

-

-

-

±30mV

±10mV

±7mV

±60mV

±20mV

±15mV

Regulation Over Temperature (-40

°C to +85°C)

-

-

-

±60mV

±45mV

±30mV

±100mV

±75mV

±50mV

Output Current

0A

0A

0A

-

-

-

17A

40A

60A

Current Limit Threshold

20A

48A

72A

24A

54A

81A

28A

60A

90A

Short Circuit Surge Transient

-

3A

5A

Ripple and Noise (RMS)

-

-

-

25mV

25mV

15mV

50mV

50mV

30mV

Ripple and Noise (pk-pk)

-

-

-

100mV

100mV

55mV

150mV

150mV

100mV

Test conditions:

0-20MHz BW, with a

1uF ceramic capacitor

and a 10uF Tantalum

capacitor at the output.

Turn on Time

-

15mS

30mS

Overshoot at Turn on

-

0%

5%

Output Capacitance

0uF

0uF

0uF

-

-

-

1000uF

10000uF

20000uF

Transient Response

Overshoot

-

200mV

400mV

25% ~ 50%

Max Load

Settling Time

-

250uS

400uS

Overshoot

-

200mV

400mV

50% ~ 25%

Max Load

Settling Time

-

250uS

400uS

Overshoot

-

150mV

300mV

25% ~ 50%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

150mV

300mV

50% ~ 25%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

100mV

200mV

25% ~ 50%

Max Load

Settling Time

-

200uS

300uS

Overshoot

-

100mV

200mV

50% ~ 25%

Max Load

Settling Time

-

200uS

300uS

Test conditions: di/dt =

0.1A/uS, Vin=48V,

Ta=25

°C 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.