HV9803B Overview
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 compensation or high-side current sensing.
Key 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
