AS3820 LED Driver
16 channel white LED controller for LCD backlight
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.
- 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
- LED backlighting for LCD - TV sets and monitors
Typical Applications Diagram
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