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O
UTPUT
V
OLTAGE
A
DJUSTMENT
(2100 S
ERIES
- S
INGLE
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 6. Use the following
equation, reference Table 1 for variables A.
Radj-up =
A
Δ
%
- 24 (kΩ)
8
4
3
2
1
+V1 OUT 7
-V1 OUT 6
TRIM 5
Radj-up
Example:
Trim both outputs 5% up for 12V Output units,
where A = 1.98,
Δ
% = 0.05
Radj-up =
1.98
0.05
- 24 kΩ= 15.6 kΩ
Table 1.
Output Voltage
A
5V
12V
15V
1.24
1.98
2.07
TRIM DOWN (Case A)
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.
Radj-down =
C
Δ
%
- D (kΩ)
+V1 OUT 7
4
3
2
1
-V1 OUT 6
TRIM 5
Radj-down
Example:
Trim 4% down for 5V Output units,
where C =1.24, D = 26.5,
Δ
% = 0.04
1.24
Radj-down =
0.04
- 26.5 kΩ
=
4.5 kΩ
Table 2.
Output Voltage
C
D
5V
12V
15V
1.24
7.57
10.3
26.5
33.5
36.4
>> B-169
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