AT9919 driver equivalent, high brightness led driver.
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* Hysteretic control with high-side current sensing
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* Wide input voltage range: 4.5 to 40V
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* >90% Efficiency
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* Typical ±5% LED current.
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* Automotive LED lighting applications
General Description
The AT9919 is a PWM controller IC designed to drive.
The AT9919 is a 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 high-side current sense resistor to set the constant output curren.
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