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AT9919

High Brightness LED Driver

Description

Supertex inc. AT9919 Hysteretic, Buck, High Brightness LED Driver with High-Side Current Sensing Features ►► Hysteretic control with high-side current sensing ►► Wide input voltage range: 4.5 to 40V ►► >90% Efficiency ►► Typical ±5% LED current accuracy ►► Up to 2.0MHz switching frequency ►► Adjustable constant LED current ►► Analog or PWM control signal ...

Supertex

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