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RT9277 是高性能、低雜訊、工作頻率固定的升壓型 DC/DC 轉換器,其輸入電壓範圍為 2.5V~5.5V,輸出電壓可高達 16V 。使用外部補償電路的電流模式控制架構使之易於實現系統穩定,同時又不失其靈活性。其具有的軟啟動功能將啟動過程對供電系統的衝擊降到了最小,內建的低 R<sub>DS(ON)</sub> MOSFET 提供了高轉換效率。可選擇的 640kHz 和 1.2MHz 工作頻率為使用小型電感、取得最高效率和最低成本提供了靈活性。RT9277還提供了眾多的保護功能如欠壓鎖定、過流保護和過溫保護等。
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<div class="spec-list"><ul class="lv1"><li>效率高達90% </li><li>V<sub>IN</sub> 工作電壓範圍: 2.5V~5.5V </li><li>內建 1.6A、0.2Ω 、16V 功率 MOSFET </li><li>640kHz/1.2MHz 工作頻率 </li><li>外部補償網路 </li><li>內/外可程式設計軟啟動功能 </li><li>包含過流保護和過溫保護功能 </li><li>小型 MSOP-8封裝 </li><li>符合 RoHS 規範,完全無鉛 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>TFT LCD panel </li><li>OLED Display </li><li>PCMCIA Cards </li><li>Portable Device </li></ul></div>
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