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The RT9368A is a high efficiency and cost effective charge pump white LED driver. It supports up to 4 white LEDs with regulated constant current for uniform intensity. The RT9368A maintains the highest efficiency by utilizing a x1/x1.5/x2 charge pump and low dropout current regulators.User can easily configure each LED current from 1.25mA to 20mA by a pulse dimming control. The dimming of white LEDs current can be achieved by applying a pulse signal to the EN pin. There are totally 16 steps of current could be set by users.RT9368A is available in a WQFN3x3-16L package.
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