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OUTPUT VOLTꢀGE ꢀDJUSTMENT (1600 DUꢀL)
The converter’s output voltage may be trimmed by up to ±10% of the nominal output voltage.
TRIM UP (Case ꢀ)
Trim output voltage up by connecting an external resistor between Pins 5 and 6. Use the following equation,
reference Table 1 for variable ꢀ.
ꢀ
Δ %
- 24 (ꢁΩ)
Radj-up =
Example:
Trim 5% up for 12V Output units,
where ꢀ = 2.23, Δ % = 0.05
2.23
0.05
RꢀDJ-UP
- 24 (ꢁΩ) = 20.6 ꢁΩ
Radj-up =
Both outputs are trimmed up by 5%.
Table 1.
Output Voltage
ꢀ
5V
12V
15V
1.8±
2.23
2.28
TRIM DOWN (Case ꢀ)
Trim output voltage down by connecting an external resistor between Pins 5 and 8. Use the following
equation, reference Table 2 for variables C and D.
C
Δ %
- D (ꢁΩ)
Radj-down =
Example:
Trim 5% down for 5V Output units,
where C = 5.63, D = 31.5, Δ % = 0.05
5.63
0.05
- 31.5 ꢁΩ = 81.1 ꢁΩ
Radj-down =
RꢀDJ-DOWN
Both outputs are trimmed down by 5%
Table 2.
Output Voltage
C
D
5V
12V
15V
5.63
19.3
25.1
31.5
45.5
51.4
>> B-148
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