S7AH-03A Datasheet, PDF (11/15 Pages) Bel Fuse Inc. – NON-ISOLATED DC/DC CONVERTERS 12V Input / 1.5V - 5.0V Output / 3A

NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5V – 5.0V Output / 3A
Output Voltage Set-Point Adjustment
POWER PRODUCTS
BP02x7AH-03A
Trim Down Test Circuit
Vo
Trim
Gnd
Trim Up Test Circuit
Vo
Trim
Gnd
Output Voltage Set-Point Adjustment
x7AH-03A500 Trim Resistor Calculation
Rtrim down = ₍
23.703
Vo – Vo, adj
– 13.87) Kohm
Rtrim up =
(
4.496
Vo, adj – Vo
– 8.25) Kohm
300
270
240
210
180
150
120
90
60
30
0
4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95 5
Adjusted output voltage Vo,adj (V)
300
270
240
210
180
150
120
90
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 [phone] • Fax [phone] • www.belfuse.com
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