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AN4376 Scheda tecnica(PDF) 19 Page - STMicroelectronics

Il numero della parte AN4376
Spiegazioni elettronici  10 W wide range non-isolated high power factor LED driver using HVLED815PF
PDF  37 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4376 Scheda tecnica(HTML) 19 Page - STMicroelectronics

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AN4376
Measurement results
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6.7
Line regulation at different LED load number
Figure 16 shows the measured average output current versus line voltage at different
numbers of LEDs applied:
Figure 16. Line regulation at different LED load
When the LED string voltage drop is passing from 75 VDC to 50 VDC the controller is able
to maintain the current practically stable in all the input mains range.



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