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OUTPUT VOLTꢀGE ꢀDJUSTMENT (1600 SINGLE)
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 ꢀ = 1.98, Δ % = 0.05
1.98
0.05
RꢀDJ-UP
- 24 (ꢁΩ) = 15.6 ꢁΩ
Radj-up =
Table 1.
Output Voltage
ꢀ
3.3V
5V
12V
15V
0.±8
1.24
1.98
2.0±
TRIM DOWN (Case ꢀ)
Trim output voltage down by connecting an external resistor between Pins 7 and 5. Use the following
equation, reference Table 2 for variables C and D.
C
Δ %
- D (ꢁΩ)
Radj-down =
Example:
Trim 4% down for 5V Output units,
where C = 1.24, D = 26.5, Δ % = 0.04
1.24
0.04
- 26.5 ꢁΩ = 4.5 ꢁΩ
Radj-down =
RꢀDJ-DOWN
Table 2.
Output Voltage
C
D
3.3V
5V
12V
15V
1.22
1.24
±.5±
10.3
26
26.5
33.5
36.4
>> B-147
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