Alpha and Omega Semiconductor Limited (AOS) (Sunnyvale, CA) has released the AOZ1948, a single channel buck LED controller that features LED dimming resolution with full linearity from 100% to 1%. The device is able to support VIN levels from 9V to 500V.

The device's current control method provides LED current regulation of better than 2% and supports duty cycles up to 90%.

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Lighting Technology Magazine

This article first appeared in the July, 2013 issue of Lighting Technology Magazine.

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