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Optoelectronics/Displays??

Getting more out of the ZXLD1350: dimming techniques

Posted: 12 Mar 2007 ?? ?Print Version ?Bookmark and Share

Keywords:ZXLD1350? LED? PWM dimming? resistive dimming? Zetex Semiconductors?

The ZXLD1350 has a versatile adjust pin that can be used in many ways to adjust the brightness of the LED by controlling the current in the LED. This application note deals with some the ways in which dimming the LED can be achieved and discusses the merits of the techniques. These dimming methods discussed include 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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