HV9919B driver equivalent, high brightness led driver.
* Hysteretic control with high-side current sensing
* Wide input-voltage range: 4.5 to 40V
* >90% Efficiency
* Typical ±5% LED current accuracy
* Up t.
* Low-voltage industrial and architectural lighting
* General purpose constant current source
* Signage and .
HV9919B is a Pulse-Width Modulation (PWM) controller IC designed to drive high-brightness LEDs using a buck topology. It operates from an input voltage of 4.5 to 40VDC and employs hysteretic control, with a highside current sense resistor, to set the.
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