Datasheet Summary
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 Undervoltage 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 and tight line and load regulation of the LED current without any need for loop pensation or high-side current sensing. Its auto-zero...