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RT4723是將Boost轉換器、線性穩壓器和反相電荷泵集成于一體以生成正、負壓輸出的器件,其負壓輸出可經由SWIRE介面協定以100mV的級差在-0.6V~-2.4V間進行調整,它通過使用自動進行模式轉換的-0.33x / -0.5x分壓電荷泵來維持其效率的最大化,輸入電壓為範圍為2.5V ~ 4.6V,是單節鋰離子電池供電產品驅動AMOLED產品的理想選擇,其電流輸出能力高達55mA,使用WL-CSP-15B 1.39x2.07 (BSC)封裝,具有極佳的空間使用效率。
RT4723 電路圖
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<div class="spec-list"><ul class="lv1"><li>工作電壓範圍:2.5V ~ 4.6V </li><li>單線協議 </li><li>固定4.6V正電壓輸出 </li><li>SWIRE引腳可調負電壓輸出範圍:-0.6V ~ -2.4V,級差0.1V </li><li>自動變換模式的-0.33x/-0.5x電荷泵 </li><li>內置軟啟動 </li><li>55mA最大負載能力 </li><li>可程式控制的輸出快速放電功能 </li><li>關機時輸出為高阻抗 </li><li>UVLO, OCP, SCP, OTP </li><li>關機電流 < 1μA </li><li>採用15腳WL-CSP封裝 </li></ul></div>
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RT4723 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>可攜式裝置的AMOLED偏置電源 </li></ul></div>
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