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

4.5V-14V Input

0.75V-5.0V/3A Output

General Specifications

Parameter

Min

Typ

Max

Notes

Efficiency

Vo=5.0V

Vo=3.3V

Vo=0.75V

90%

88%

77%

93%

91%

80%

-

-

-

Measured at Vin=12V, full load

Switching Frequency

200KHz

230KHz

250KHz

Output Voltage Trim Range (Wide

Trim)

0.7525V

-

5V

MTBF

7,900,000 hours

°C)

Dimensions (Vertical Mount)

Inches (L × W × H)

Millimeters (L × W × H)

1.0 x 0.5 x 0.27

25.41 x 12.7 x 6.85

Weight

-

2.5g

-

Note

Control Specifications

Parameter

Min

Typ

Max

Notes

Remote On/Off

Signal Low (Unit Off)

-0.3V

-

0.4V

Signal High (Unit On)

2.5V

-

14V

Signal Low (Unit On)

-0.3V

-

0.4V

Signal High (Unit Off)

2.5V

-

14V

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

−

×

−

=

adj

trim

V

V

Rtrim

Module

Vout

GND

Trim

Vtrim

Module

Vout

GND

Trim