Not Recommended for New Designs - SeeAS3824.
The AS3820 is a 16 channels 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.
Features
16 Channel LED driver
Output voltage only limited by external transistor
Output current only limited by external transistor
Linear current setting using 10-bit DAC
Current accuracy ±0.5% @ VDAC=250mV
雷竞技安卓下载
LED backlighting for LCD - TV sets and monitors
Block Diagrams
Block Diagram
典型的应用ons Diagram
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