The RT9302 is a high performance constant current driverfor white LED. It supports up to 3 white LEDs and regulatesa constant current for uniform intensity. Each channelsupports up to 20mA output current with 1% typical currentaccuracy and 0.7% typical current matching. The RT9302provides a 16-step brightness dimming control. The LEDcurrent can be easily configured from 1.25mA to 20mA.The dimming of white LEDs' current can be achieved byapplying a pulse signal to the EN pin. The LED currentcan be turned off by EN pin with pull low for 20μs or longer.The typical leakage current is 4μA while shutdowncondition.RT9302 is available in a TSOT-23-8 package (1.0mmmaximum height).
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