Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com

©2006 Bel Fuse Inc.

Specifications subject to change without notice. 02.06

POWER PRODUCTS

NON-ISOLATED DC/DC CONVERTERS

BP06xRAH-05B

5V Input / 1.2V – 3.3V Output / 5A

page 11

Output Voltage Set-Point Adjustment

Vo

Trim

Gnd

Vo

Trim

Gnd

Trim Down Test Circuit

Trim Up Test Circuit

Output Voltage Set-Point Adjustment

xRAH-05B330 Trim Resistor Calculation

Rtrim down =

7.914

Vo – Vo, adj

– 8.27

(

Rtrim up =

2.528

Vo, adj – Vo

– 5.11

(

2.97

3

3.04

3.07

3.1

3.13

3.17

3.2

3.23

3.27

3.3

0.01

30.01

60.01

90.01

120.01

150.01

180

210

240

270

Adjusted output voltage Vo,adj (V)

3.3

3.33

3.37

3.4

3.43

3.46

3.5

3.53

3.56

3.6

3.63

0.01

30.01

60.01

90.01

120.01

150.01

180

210

240

270

Adjusted output voltage Vo,adj(V)