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

4.5 Vdc - 14 Vdc Input

0.75 Vdc - 5.0 Vdc/6 A Output

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency

Vo=5.0 V

Vo=3.3 V

Vo=1.8 V

Vo=0.75 V

88%

85%

80%

68%

92%

88%

84%

73%

-

-

-

Measured at Vin=12 V, Io=Io, max

Switching Frequency

220 kHz

250 kHz

280 kHz

Output Voltage Trim Range (wide trim)

0.7525 V

-

5 V

MTBF

3,260,000 hours

°C)

Dimensions

Inches (L × W × H)

Millimeters (L × W × H)

1.0 x 0.5 x 0.243

25.4 x 12.7 x 6.16

Vertical Mount

Weight

-

5 g

-

Note

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

-0.3 V

-

0.4 V

Signal High (Unit On)

2.5 V

-

14 V

VRBA-06E1A0; Remote On/Off pin open, Unit

on.

Signal Low (Unit On)

-0.3 V

-

0.4 V

Signal High (Unit Off)

2.5 V

-

14 V

VRBA-06E1AL; Remote On/Off pin open, Unit

on.

Output Trim Equations

Equation for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) is shown below. The

Trim Up resistor should be connected between the Trim pin and Ground.

1

7525

.

0

507

.

10

−

−

=

adj

trim

V

R

Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The

Trim Up voltage should be connected between the Trim pin and Ground.

)

7525

.

0

(

0667

.

0

7

.

0

−

×

−

=

o

trim

V

V

Rtrim

Module

Vout

GND

Trim

Vtrim

Module

Vout

GND

Trim