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Vicor Module and Power Supply Design & Selection Tools
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Trim resistors for fixed output voltage trimming
Trim resistors for variable output voltage trimming
Trim resistors for setting float voltage and charge current in battery chargers
Holdup capacitors for use with VI-ARM, FARM, and ENMod modules
Thermal issues for heat sink selection
Filter design tool
Resistor Values for Variable Output Voltage Trimming
Vicor product:
VI-200
VI-J00
Maxi, Mini, and Micro
Potentiometer value:
1K ohm
2K ohm
5K ohm
10K ohm
20K ohm
• 10K recommended for VI-200 and VI-J00
• 1K recommended for Maxi, Mini, and Micro
Notes:
VI-200 and VI-J00
Maxi, Mini, and Micro
— Minimum preload of 1% should be maintained
— Consult factory when trimming below –10%
Factory Set Output Voltage:
Minimum trimmed V
out
:
V or V
nom
–
%
Maximum trimmed V
out
:
V or V
nom
+
%
Desired low trim limit:
V or V
nom
–
%
Desired high trim limit:
V or V
nom
+
%
Trim down resistor value:
K ohm
Trim up resistor value:
K ohm
Rd = Trim down resistor
K ohm
Ru = Trim up resistor
K ohm
Pot. = Potentiometer
K ohm
