Data Sheet
JRW017-070 Series Power Modules DC-DC Converters
36-75Vdc Input; 1.2Vdc to 12Vdc Output
July 21, 2008
Feature Descriptions (continued)
Output Voltage Programming (continued)
Examples:
To trim down the output of a nominal 3.3V module
(JRW060A0F) to 3.1V
3.3V − 3.1V
Δ% =
×100
3.3V
∆% = 6.06
100
⎛
⎜
⎞
⎠
Radj − down
=
− 2 KΩ
⎟
6.06
⎝
Radj-down = 14.5 kΩ
To trim up the output of a nominal 3.3V module
(JRW060A0F) to 3.6V
3.6V − 3.3V
Δ% =
×100
3.3V
Δ% = 9.1
3.3*
(
100+9.1
)
(100+2*9.1)
⎛
⎜
⎞
⎟
Radj − up
=
−
KΩ
1.225*9.1
9.1
⎝
⎠
Rtadj-up = 19.3 kΩ
LINEAGE POWER
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