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Product Spec Banner
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The RT9302 is a high performance constant current driver for white LED. It supports up to 3 white LEDs and regulates a constant current for uniform intensity. Each channel supports up to 20mA output current with 1% typical current accuracy and 0.7% typical current matching. The RT9302 provides a 16-step brightness dimming control. The LED current can be easily configured from 1.25mA to 20mA. The dimming of white LEDs' current can be achieved by applying a pulse signal to the EN pin. The LED current can be turned off by EN pin with pull low for 20μs or longer. The typical leakage current is 4μA while shutdown condition.<br />RT9302 is available in a TSOT-23-8 package (1.0mm maximum height).
RT9302 Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Support Up to 3 White LEDs </li><li>Output Current up to 20mA Each Channel </li><li>Support Pulse and PWM Dimming </li><li>40mV Typical Current Source Dropout </li><li>1% Typical LED Current Accuracy </li><li>0.7% Typical LED Current Matching </li><li>16-Step Brightness Control </li><li>Low Noise and EMI </li><li>Low Shutdown Current 4μA Typical </li><li>RoHS Compliant and 100% Lead (Pb)-Free </li></ul></div>
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RT9302 Ordering Information
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RT9302
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<div class="spec-list"><ul class="lv1"><li>Mobile Phone, DSC, MP3 </li><li>White LED Backlighting </li><li>LCD Display Supply </li></ul></div>
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