GE Industrial Solutions JRW017-040-060-065-070 Series - Manual (Page 17)

Data Sheet
June 14, 2010
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
LINEAGE POWER 17
Feature Descriptions (continued)
Output Voltage Programming (continued)
Examples:
To trim down the output of a nominal 3.3V module
(JRW060A0F) to 3.1V
100
3 . 3
1 . 3 3 . 3
%
×
−
= ∆
V
V V
∆% = 6.06
Ω 





− =
− K R
down adj
2
06 . 6
100
R
adj-down
= 14.5 k
Ω
To trim up the output of a nominal 3.3V module
(JRW060A0F) to 3.6V
100
3 . 3
3 . 3 6 . 3
%
×
−
= ∆
V
V V
Δ% = 9.1
( )
Ω 




 +
−
+
=
− K R
up adj
1 . 9
) 1 . 9 * 2 100 (
1 . 9 * 225 . 1
1 . 9 100 * 3 . 3
R
tadj-up
= 19.3 k
Ω