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AN3256 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 AN3256
상세설명  Low-cost LED driver for an A19 lamp
PDF  23 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3256 데이터시트(HTML) 13 Page - STMicroelectronics

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AN3256
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Doc ID 17790 Rev 1
13/23
Figure 16.
Efficiency vs line voltage
Efficiency improves with the number of LEDs. It is better at low line voltage.
Figure 17.
Power loss vs line voltage
Power loss increases with both line voltage and number of LEDs in the load. This indicates a
series loss - both the FET resistance and the input filter choke resistance could be
contributing.



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