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RT4533 是一款高度集成的 LED 驱动 IC，可驱动 10 颗串联 WLED。它由电流模式升压转换器组成，并集成 36.5V/1.2A 功率开关。RT4533 支持 2.5V 至 5.5V 的宽输入电压范围，并以 1.1MHz 固定频率工作。LED 电流通过外部电阻设置，反馈电压调节至 200mV / 300mV。在亮度调光方面，RT4533 支持 PWM 调光，借此决定反馈参考电压。
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<div class="spec-list"><ul class="lv1"><li>输入电压范围：2.5V~5.5V </li><li>36.5V 开路保护电压，容许驱动10只 WLED </li><li>PWM调光控制 </li><li>参考电压 200mV/300mV，精度 ±2% </li><li>1.1MHz 工作频率 </li><li>内建软启动 </li><li>过温保护 </li><li>内部补偿 </li><li>电流限制 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>手机 </li><li>数码相机 </li><li>便携式设备 </li></ul></div>
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