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AS3820
AS3820 LED Driver
16 channel white LED controller for LCD backlight
Not Recommended for New Designs - SeeAS3824.
A team of engineers is ready to answer your questions
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.
Key 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
亚博国际官网平台网址
- LED backlighting for LCD - TV sets and monitors
Block Diagrams
Block Diagram
Typical Applications Diagram
Resources
| Date | Version | |
|---|---|---|
| AS3820 Datasheet | 05/02/2019 | Rev. 1.1 |
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