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O
UTPUT
V
OLTAGE
A
DJUSTMENT
(2100 S
ERIES
- D
UAL
O
UTPUT
)
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The converter’s output voltage may be trimmed by up to
±10%
of the nominal output voltage.
TRIM UP (Case A)
Trim output voltage up by connecting an external resistor between Pins 5 and 8. Use the following
equation, reference Table 1 for variables A.
Radj-up =
A
Δ
%
- 24 (kΩ)
+ OUT 8
4
3
2
1
Example:
Trim both outputs 5% up for 12V Output units,
where A = 1.98,
Δ
% = 0.05
COM 7
-OUT 6
TRIM 5
Radj-up
Radj-up =
2.23
0.05
- 24 kΩ= 20.6 kΩ
Table 1.
Output Voltage
A
5V
12V
15V
1.87
2.23
2.28
TRIM DOWN (Case A)
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.
Radj-down =
C
Δ
%
- D (kΩ)
+ OUT 8
4
3
2
1
COM 7
-OUT 6
TRIM 5
Radj-down
Example:
Trim 5% down for 5V Output units,
where C =5.63, D = 31.5,
Δ
% = 0.05
5.63
Radj-down =
0.05
- 31.5 kΩ
=
81.1 kΩ
Table 2.
Output Voltage
C
D
5V
12V
15V
5.63
19.3
25.1
31.5
45.5
51.4
>> B-170
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