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

3

ISOLATED DC/DC CONVERTERS

36 Vdc - 75 Vdc Input,

12 Vdc/25 A Output

Jun. 14, 2011

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

Output Specifications (continued)

Parameter

Min

Typ

Max

Unit

Notes

Short Circuit Surge Transient

-

TBD

-

A

Turn on Time

-

80

120

mS

Overshoot at Turn on

-

0

3

%

Output Capacitance

0

-

5600

uF

Transient Response

Overshoot

-

-

600

mV

50%~75%

of Max Load

Settling Time

-

-

300

uS

Overshoot

-

-

600

mV

75%~50%

of Max Load

Settling Time

Vo=

12 V

-

-

300

uS

di/dt=0.1A/us, Vin=48Vdc, Ta=25

°C, with 1 uF ceramic capacitor and

a 10 uF tantalum capacitor at the

output.

Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated.

General Specifications

Parameter

Min

Typ

Max

Unit

Notes

Efficiency

94

95

-

%

Switching Frequency

-

270

-

kHz

Isolation Capacitance

-

2200

-

pF

Over Temperature Protection

-

125

-

℃

Over Voltage Protection

-

14

-

V

Output Voltage Trim Range

80

-

105

%Vo,set

Remote Sense Compensation

-

-

5

%Vo,set

The total voltage increased by trim

and remote sense should not exceed

5%Vo.

Weight

-

71

-

g

FIT

TBD

-

Calculated Per Bell Core SR-332

25

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

2.28 x 1.45 x 0.50

57.91 x 36.83 x 12.70

-