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AT9933 Datasheet, the Automotive Hysteretic Boost-Buck LED Driver IC
Saturday, 22. August 2009 by
admindata
This AT9933 is a PWM controller IC, designed to control an LED lamp driver using a low-noise boost-buck. It produces a low-frequency PWM dimming input that can accept an external control signal with a duty cycle of 0 – 100% and a high dimming ratio, according to the datasheet.
Therefore, the AT9933 LED driver IC is typically ideal for automotive LED lamps since this IC has features such as Constant current LED Driver, Ambient temperature rating up to 125°C, Meets AEC-Q100 requirements, Input and output current sensing, Enable & PWM dimming, Internal 75V linear regulator, Steps input voltage up or down and low EMI.
Category:
LEDs |
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