Datasheet Summary
Supertex inc.
LED Driver IC with Average-Mode Constant Current Control
Features
- - Fast average current control
- - Correction for propagation delay and offset voltage
- - Fixed off-time switching mode
- - Linear dimming input
- - PWM dimming input
- - Output short circuit protection with programmable skip mode
- - Input under-voltage shutdown
Applications
- - Backlighting of LCD Panels
- - General Lighting
General Description
The HV9803B is an open loop average-mode current control LED driver IC operating in a constant off-time mode. The IC Features
±2% current accuracy, tight line and load regulation of the LED current without any need for loop pensation or high-side current...
