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Optoelectronics/Displays  

Getting more out of the ZXLD1350: dimming techniques

Posted: 27 Apr 2007     Print Version  Bookmark and Share

Keywords:ZXLD1350  LED  PWM dimming  resistive dimming  Zetex Semiconductors 

Getting more out of the ZXLD1350: dimming techniques

This application note analyses the various techniques to adjust the brightness of the LED. The ZXLD1350 has a versatile adjust pin to achieve dim LED by controlling the current in the LED. The note discusses the merits of various dimming methods including PWM dimming both with a low and high frequency signals, DC voltage control and resistive dimming.

View the PDF document for more information.





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