HV9803BLG-G LED Driver IC 1 Output Linear Analog, PWM Dimming 8-SOIC
LED Driver IC with Average-Mode Constant Current Control
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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 compensation or high-side current sensing. Its auto-zero circuit cancels the effect of both the input offset voltage and the propagation delay in the current sense comparator. The HV9803B can be powered from a 7.0 to 16V supply. The IC features fast PWM dimming response. The linear dimming input LD can accept a reference voltage from 0 to 3.0V. The IC is equipped with a current limit comparator for hiccup-mode output short circuit protection. It also features a programmable input under-voltage shutdown.
Backlighting of LCD Panels
Number of Outputs
Voltage - Supply (Min)
Voltage - Supply (Max)
-40°C ~ 125°C (TA)
Package / Case
8-SOIC (0.154", 3.90mm Width)
Supplier Device Package
Packing & Delivery
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Refund & Replacement
1.We provide 30-60 days warranty.
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