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RT9300 是用於替代傳統白光 LED 應用中的電流鎮定電阻的高性能低壓差 LED 驅動器,它使用一隻內部電阻對4只 LED 的電流進行設定,匹配誤差低於5%。與使用電阻進行鎮流相比,RT9300 容許在更寬的供電電壓範圍內獲得更低的電流變化範圍、極低的電壓降,在有的應用中還可獲得效率的最大化。當流過每個 LED 的電流為 20mA/15mA 時,RT9300 僅需 60mV/45mV 的電壓降落空間即可獲得很好的 LED 亮度一致性。
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<div class="spec-list"><ul class="lv1"><li>20/15mA 輸出時的電壓降僅 60/45mV </li><li>5% 的 LED 電流一致性 </li><li>極簡單的 LED 電流控制方法 </li><li>供電電壓範圍為 2.5V~5.5V </li><li>過熱關機保護 </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>Next-Generation Wireless Handsets </li><li>PDAs, Palmtops, and Handy Terminals </li><li>Digital Cameras, Camcorders </li><li>Battery-Powered Equipment </li></ul></div>
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