12 Channel LED Controller
The AS3821 is a 12 channel precision LED for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantee best efficiency. Build in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via serial interface.
AS3821 PRODUCT FACTS
|LED current per output [mA]||limited by external FET|
|Features||2 configurable supply regulation feedback outputs|
|LED-to-LED matching [%]||0,2|
|Supply voltage [V]||4,5-5,5|
|Package||LQFP44 (10x10)-0.8p QFN48 (7x7)-0.5p|