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

POWER PRODUCTS
NON-ISOLATED DC/DC CONVERTERS
12V Input / 1.5V – 5.0V Output / 3A
BP02x7AH-03A
Output Voltage Set-Point Adjustment
x7AH-03A330 Trim Resistor Calculation
Rtrim down = ₍
7.92
Vo – Vo, adj
– 4.38) Kohm
300
270
240
210
180
150
120
90
60
30
0
2.97 3 3.04 3.07 3.1 3.13 3.17 3.2 3.23 3.27 3.3
Adjusted output voltage Vo,adj (V)
Rtrim up =
(
2.536
Vo, adj – Vo
– 1.21) Kohm
300
270
240
210
180
150
120
90
60
30
0
3.3 3.33 3.37 3.4 3.43 3.46 3.5 3.53 3.56 3.6 3.63
Adjusted output voltage Vo,adj(V)
300
270
240
210
180
150
120
90
60
30
0
2.25 2.27 2.3 2.33 2.35 2.38 2.4 2.42 2.45 2.48 2.5
Adjusted output voltage Vo,adj (V)
x7AH-03A250 Trim Resistor Calculation
Rtrim down = ₍
3.694
Vo – Vo, adj
– 7.77) Kohm
300
270
240
210
180
150
120
90
60
30
0
2.5 2.52 2.55 2.58 2.6 2.63 2.65 2.67 2.7 2.73 2.75
Adjusted output voltage Vo,adj(V)
Rtrim up = (
1.72
Vo, adj – Vo
– 5.62) Kohm
©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
page 12