AN47 Datasheet (Zetex Semiconductors) - Getting more out of the ZXLD1350

AN47, Getting more out of the ZXLD1350 - dimming techniques

www.DataSheet4U.com AN47 Getting more out of the ZXLD1350 - dimming techniques Ray Liu, Systems Engineer, Zetex Semiconductors Introduction 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 freq