Optoelectronics
Dimming LEDs with respect to grouping current
In the design of a driving circuit for LEDs, the dimming behaviour is an important topic to fulfil the end customer requirements. The intend of this application note is to describe the behaviour of LEDs in respect to brightness by varying the current and to suggest solutions for avoiding negative influence for the application.
Foll- LED brightness at the grouping current doesn’t fit to the specified brightness in the application, hence the LED grouping current doesn’t correlate to the application current,
- different brightness groups of the used LEDs,
- dimming of brightness in the application,
- different switches or displays to backlight.
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