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 V - 14 V Input

0.75 V - 3.63 V/10 A Output

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

VRBC-10E1A0; Remote On/Off pin open, Unit

on.

Signal Low (Unit On)

-0.2 V

-

0.3 V

Signal High (Unit Off)

2.5 V

-

Vin, max

VRBC-10E1AL; Remote On/Off pin open, Unit

on.

Output Trim Equations

Equation for calculating the trim resistor (in Ω) given the desired output voltage (Vo) is shown below. The Trim

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

1000

7525

.

0

10500

−

−

=

Vo

Equation for calculating the trim voltage (in V) given the desired output voltage (Vo) is shown below. The Trim

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

)

7525

.

0

(

0667

.

0

7

.

0

−

×

−

=

Vo

Rtrim

Module

Vout

GND

Sense

trim

Vtrim

Module

Vout

GND

Sense

trim