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AN4106 Datasheet(PDF) 14 Page - STMicroelectronics

Part # AN4106
Description  This document describes a 12 V-1 A power supply
PDF  39 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4106 Datasheet(HTML) 14 Page - STMicroelectronics

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Line/load regulation and output voltage ripple
AN4106
14/39
Doc ID 023156 Rev 1
6
Line/load regulation and output voltage ripple
The output voltage of the board has been measured in different line and load condition. The
results are shown in
Table 4. The output voltage is practically not affected by the line
condition.
The ripple at the switching frequency superimposed at the output voltage has also been
measured and the results are reported in
Table 5.
Table 4.
Output voltage line-load regulation
VIN [VAC]
VOUT
No load
50% load
75% load
100% load
90
12.18
12.16
12.17
12.19
115
12.18
12.17
12.17
12.19
150
12.18
12.17
12.18
12.18
180
12.18
12.17
12.18
12.18
230
12.18
12.18
12.18
12.17
265
12.18
12.18
12.18
12.18
Figure 12.
Line regulation
Figure 13.
Load regulation
VIN [VAC]
AM11557v1
11.9
12
12.1
12.2
12.3
80
105
130155
180205
230255
0
25%
50%
75%
100%
AM11558v1
11.9
12
12.1
12.2
12.3
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1
Iout[A]
90
115
230
265



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