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RT9379 是包含有 x1/x1.5/x2 升壓電荷泵和 6 個低壓差恒流源 LED 驅動器，可為多達 6 只 LED 提供穩定一致的電流供應，每個 LED 通道的電流最大可達 25mA。它因採用具有多種升壓模式的電荷泵和低壓差的電流調節器而能維持最高的轉換效率，當需要調光時，可用普通 CPU 的 GPIO 端子生成 PWM 信號來對它進行調節以實現 LED 的亮度控制。<BR>RT9379 的採用 WQFN-16L 2x3 封裝供貨，小型的 1μF 電容可被用作泵電容與之配合工作，它為可擕式應用提供了一個效率高、空間佔用少的最佳背光源驅動解決方案。
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<div class="spec-list"><ul class="lv1"><li>在鋰離子電池的全電壓範圍內平均效率可達 85% </li><li>驅動多達 6 只 WLED </li><li>每個通道輸出電流最高達 25mA </li><li>使用 PWM 信號進行亮度調節 </li><li>恒流源電壓降可達 60mV </li><li>LED 電流精度：1% </li><li>各 LED 電流一致性：0.7% </li><li>電荷泵自動實施 x1/x1.5/x2 模式轉換 </li><li>輸入雜訊低，EMI 問題少 </li><li>過壓保護 </li><li>上電/模式轉換電流衝擊保護 </li><li>工作頻率：1MHz </li><li>關機電流消耗：0.4μA </li><li>符合 RoHS 規範，不含鹵素 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>智能手機 </li><li>白光 LED 背光源 </li></ul></div>
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i18n(support-card-item.ordering.url)
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i18n(support-card-item.sales.description)
i18n(support-card-item.sales.learn-more-text)
i18n(support-card-item.sales.url)
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