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AN3286 データシート(PDF) 19 Page - STMicroelectronics

部品番号 AN3286
部品情報  This document describes
PDF  42 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3286 データシート(HTML) 19 Page - STMicroelectronics

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AN3286
Testing the board
Doc ID 17998 Rev 1
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The active mode efficiency is defined as the average of the efficiencies measured at 25%,
50%, and 75% of maximum load and at maximum load itself. Table 9 reports the active
mode efficiency calculated from the values in Table 8. For better visibility, Table 9 values are
plotted in Figure 20.
Figure 20.
Active mode efficiency vs. VIN_AC
In Table 10 and Figure 21 the averaged value of the efficiency versus load are reported
(average has been done considering the efficiency at different values of the input voltage).
Table 9.
Active mode efficiencies
Active mode efficiency
VIN (VAC)
Efficiency (%)
90
80.67
115
82.00
150
82.48
180
82.40
230
81.78
265
80.97
Table 10.
Line voltage averaged efficiency vs. load
Load (% of full load)
Efficiency (%)
100
80.93
75
81.28
50
81.02
25
82.06



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