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AN2640 Datasheet(PDF) 30 Page - STMicroelectronics

Part # AN2640
Description  Intelligent multipower digital ballast for fluorescent lamps
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2640 Datasheet(HTML) 30 Page - STMicroelectronics

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AN2640
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Figure 29.
54 W lamp power
Figure 30.
80 W lamp power
In Figure 27, 28, 29, and 30 it can be seen that the ballast identifies each lamp and that after
the recognition phase it adjusts and regulates the half-bridge working frequency to supply
the correct current to the lamp.



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