Bel Fuse Inc.

206 Van Vorst Street, Jersey City, NJ 07302

• Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

NON-ISOLATED DC/DC CONVERTERS

2.4 Vdc - 5.5 Vdc Input

0.75 Vdc - 3.63 Vdc/3 A Output

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency

Vo=3.3 V

Vo=2.5 V

Vo=2.0 V

Vo=1.8 V

Vo=1.5 V

Vo=1.2 V

Vo=0.75 V

-

-

-

-

-

-

-

94%

93%

91%

90%

89%

87%

81.5%

-

-

-

-

-

-

-

Measured at Vin=5 V, full load

Switching Frequency

250 kHz

300 kHz

350 kHz

Output Voltage Trim Range

0.7525 V

-

3.63 V

MTBF

9,776,636 hours

Calculated Per Bell Core SR-332 (Vin=5 V;

°C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

1.00 x 0.50 x 0.27

25.41 x 12.70 x 6.85

Weight

-

5 g

-

Note

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

-0.2 V

-

0.3 V

Signal High (Unit On)

-

-

Vin, max

Active High: VRBA-03F1A0; Remote On/Off

pin open, Unit on.

Signal Low (Unit On)

-0.2 V

-

0.3 V

Signal High (Unit Off)

1.5 V

-

Vin, max

Active Low: VRBA-03F1AL; Remote On/Off

pin open, Unit on.