Download HV9803B Datasheet PDF
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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...