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Product Spec Banner
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RT9379 是包含有 x1/x1.5/x2 升压电荷泵和 6 个低压差恒流源 LED 驱动器，可为多达 6 只 LED 提供稳定一致的电流供应，每个 LED 通道的电流最大可达 25mA。它因采用具有多种升压模式的电荷泵和低压差的电流调节器而能维持最高的转换效率，当需要调光时，可用普通 CPU 的 GPIO 端子生成 PWM 信号来对它进行调节以实现 LED 的亮度控制。<BR>RT9379 的采用 WQFN-16L 2x3 封装供货，小型的 1μF 电容可被用作泵电容与之配合工作，它为可擕式应用提供了一个效率高、空间占用少的最佳背光源驱动解决方案。
RT9379 电路图
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<div class="spec-list"><ul class="lv1"><li>在锂离子电池的全电压范围内平均效率可达 85% </li><li>驱动多达 6 只 WLED </li><li>每个通道输出电流最高达 25mA </li><li>使用 PWM 信号进行亮度调节 </li><li>恒流源电压降可达 60mV </li><li>LED 电流精度：1% </li><li>各 LED 电流一致性：0.7% </li><li>电荷泵自动实施 x1/x1.5/x2 模式转换 </li><li>输入杂讯低，EMI 问题少 </li><li>过压保护 </li><li>上电/模式转换电流冲击保护 </li><li>工作频率：1MHz </li><li>关机电流消耗：0.4μA </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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productFeatureSection
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orderingDetailSection
orderingDetailSectionTab
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orderingInformationSection
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RT9379 订购信息
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productSection
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orderingDetailSection
technical-documents
RT9379
technicalDocumentMultipleTable
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technicalDocumentationSection
design-tools
RT9379
designToolMultipleTable
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designToolSection
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<div class="spec-list"><ul class="lv1"><li>智能手机 </li><li>白光 LED 背光源 </li></ul></div>
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keywordList
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i18n(support-card-item.ordering.url)
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i18n(support-card-item.sales.title)
i18n(support-card-item.sales.description)
i18n(support-card-item.sales.learn-more-text)
i18n(support-card-item.sales.url)
salesSupportCard
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supportSection