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AT9919

Part Number	AT9919
Manufacturer	Supertex
Description	High Brightness LED Driver
Published	Sep 26, 2016
Detailed Description	Supertex inc. AT9919 Hysteretic, Buck, High Brightness LED Driver with High-Side Current Sensing Features ►► Hysteret...
Datasheet	AT9919 PDF File

Overview

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 for PWM dimming ►► Over-temperature protection ►► -40ºC to +125ºC operating temperature range ►► AEC-Q100 compliant Applications ►► Automotive LED lighting applications General Description 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 ...

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