AS3694 Overview
The AS3694 is a 12 cannels high precision LED driver with build in PWM generators for building backlight panels in LCD-TV-sets. 3 DCDC Step Up controllers can be used to build the power supplies for red, green and blue LED strings. External clock and synchronizing inputs allow the synchronization of the LCD backlight with the TV picture.
AS3694 Key Features
- Current mode
- Efficiency > 90%
- Input voltage range 15V to 50V
- Output voltage up to 50V / 200mA
- 12 independent LED channels Output current 70mA Output voltage up to 50V Absolute current accuracy ±0.5%
- Package epTQFP64
- TV Sets and Monitors