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AN2115 数据表(PDF) 31 Page - STMicroelectronics

部件名 AN2115
功能描述  This application note details the main features
PDF  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN2115 数据表(HTML) 31 Page - STMicroelectronics

Back Button AN2115 Datasheet HTML 25Page - STMicroelectronics AN2115 Datasheet HTML 26Page - STMicroelectronics AN2115 Datasheet HTML 27Page - STMicroelectronics AN2115 Datasheet HTML 28Page - STMicroelectronics AN2115 Datasheet HTML 29Page - STMicroelectronics AN2115 Datasheet HTML 30Page - STMicroelectronics AN2115 Datasheet HTML 31Page - STMicroelectronics AN2115 Datasheet HTML 32Page - STMicroelectronics AN2115 Datasheet HTML 33Page - STMicroelectronics  
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AN2115
Application ideas
Doc ID 11165 Rev 5
31/33
Figure 27.
LED dimming control using PWM
Figure 28.
Analog LED dimming control
Both solutions change the output current by changing the FB voltage. In Figure 28 a DC
voltage is used. In Figure 27 the average voltage coming from the PWM signal is utilized.



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