概览
描述
The AS3820 is a 16-channel precision LED for use in LCD-backlight panels. Dynamic power feedback controls the external power supply to guarantee the best efficiency.
Built-in safety features include thermal shutdown as well as open and short LED detection. The device is programmable via a serial interface.
特性
- 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% at VDAC = 250mV
产品对比
应用
- LED backlighting for LCD - TV sets and monitors
设计和开发
模型
ECAD 模块
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