NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5V – 5.0V Output / 3A
POWER PRODUCTS
BP02x7AH-03A
Output Voltage Set-Point Adjustment
Trim Down Test Circuit
Trim Up Test Circuit
Vo
Vo
Trim
Trim
Gnd
Gnd
Output Voltage Set-Point Adjustment
300
270
240
210
180
150
120
90
x7AH-03A500Trim Resistor Calculation
23.703
Rtrim down =
– 13.87) Kohm
(
60
Vo – Vo, adj
30
0
4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95
Adjusted output voltage Vo,adj (V)
5
300
270
240
210
180
150
120
90
4.496
Rtrim up =
– 8.25) Kohm
(
Vo, adj – Vo
60
30
0
5
5.05
5.1 5.15 5.2 5.25
5.3 5.35 5.4 5.45
5.5
Adjusted output voltage Vo,adj(V)
©2003 Bel Fuse Inc. Specifications subject to change without notice. 01.03
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
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BEL [ BEL FUSE INC. ]
