AS3834 Datasheet - austriamicrosystems

AS3834 4 channel high-precision LED controller

The AS3834 is a 4 channel high precision LED controller with PWM inputs for driving external bipolar transistors in LCD-backlight panels, optimized for 2D and 3D operation. The integrated step-up controller provides the necessary output voltage for the LED string supply. The SMPS feedback control op.

AS3834 Features

* include under-voltage and thermal shutdown as well as open and short LED detection. 2 Key Features 4 channel LED controller Step-up controller optimized for 2D/3D mode Supply voltage range: 12V to 50V Output current up to 270mA per channel Absolute current accuracy +/- 0.8% Channel to channel accur

AS3834-austriamicrosystems.pdf