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 - 3.63 Vdc/10 A Output

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

R

trim

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

V

trim

Rtrim

Module

Vout

GND

Sense

trim

Vtrim

Module

Vout

GND

Sense

trim