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AN2941 Datasheet(PDF) 6 Page - STMicroelectronics

Part # AN2941
Description  This application note describes the characteristics and the features
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2941 Datasheet(HTML) 6 Page - STMicroelectronics

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Main characteristics and circuit description
AN2941
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Doc ID 15447 Rev 4
Figure 2.
Typical transition mode PFC electrical diagram
To overcome this problem, in this board a “sensorless” PFC solution has been implemented
(Figure 3). The information relevant to input and output voltages is provided to the PFC
controller L6563S by an auxiliary winding of the boost inductor.
Figure 3.
Sensorless PFC electrical diagram
6.6 Mb
2 Mb
L6563S
L6563S



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