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VIPER318HDTR Folha de dados(PDF) 28 Page - STMicroelectronics

Nome de Peças VIPER318HDTR
Descrição Electrónicos  Energy saving offline high voltage converter
PDF  40 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER318HDTR Folha de dados(HTML) 28 Page - STMicroelectronics

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5.2
Energy saving performances
The VIPer31 allows the design of applications compliant with the most stringent energy saving regulations. In
order to show the typical performances achievable, the active mode average efficiency and the efficiency at
10% of the rated output power of a single output flyback converter using VIPer31 have been measured and are
reported in Table 9. In addition, Figures 52 and 53 show no-load and light load consumptions.
Table 9. Power supply efficiency, VOUT = 15 V
Parameter
VIN
10% output load
efficiency [%]
Active mode average
efficiency [%]
Pin @ no-load
[mW]
Flyback iso, 15V/1.2A
115 VAC
83.2
85.9
26.0
230 VAC
77.4
86.6
29.7
Figure 42. PIN versus VIN in no-load, VOUT = 15V
10
20
30
40
50
100
150
200
250
300
VIN [VAC]
VIPER31
Energy saving performances
DS13285 - Rev 3
page 28/40



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