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AAT3128 - RGB LED Fashion Lighting Controller

General Description

The AAT3128 is a total solution controller for RGB LED fashion lighting.

A simplified control scheme greatly reduces design complexity and accelerates time to market.

The AAT3128 contains a high efficiency tri-mode charge pump DC/DC converter with 1X, 1.5X and 2X modes for color LED applications.

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General Description The AAT3128 is a total solution controller for RGB LED fashion lighting. A simplified control scheme greatly reduces design complexity and accelerates time to market. The AAT3128 contains a high efficiency tri-mode charge pump DC/DC converter with 1X, 1.5X and 2X modes for color LED applications. Current source outputs drive two individual RGB LEDs for color displays, fashion and mood lighting. With a single-wire S2Cwire interface, an RGB LED module is easily controlled to display four distinct lighting mood effects. Low external parts count (two 1µF flying capacitors and two small bypass capacitors) and high conversion efficiency make the AAT3128 ideally suited for small battery-powered portable applications.