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AN3028 Datasheet(PDF) 17 Page - STMicroelectronics

Part # AN3028
Description  demonstration board using the VIPer16LN
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3028 Datasheet(HTML) 17 Page - STMicroelectronics

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AN3028
Burst mode and output voltage ripple
Doc ID 16135 Rev 1
17/37
In Table 9 and Figure 21 the averaged value of the efficiency versus load is given (the
average has been done considering the efficiency at different values of the input voltage).
Table 8.
Active mode efficiencies
VINAC (VRMS)
Active mode efficiency (%)
Without self-supply
With self-supply
90
79.72
75.18
115
80.75
75.48
150
81.09
74.44
180
80.46
73.00
230
78.83
70.18
265
77.42
68.03
Figure 20.
Active mode efficiency vs. VIN
a) without self-supply (J2 selected)
b) with self-supply (J and J2 not selected)
Table 9.
Line voltage averaged efficiency vs. load
Load (% of full load)
Efficiency (%)
Without self-supply
With self-supply
100
79.43
75.94
75
80.57
75.53
50
79.12
72.63
25
77.59
64.76



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