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RT4809 是為向 PWM 控制器供電而設計的 Boost 架構直流升壓轉換器，它由工作頻率固定的電壓模式脈衝寬度調製電路和內部集成的 N-MOSFET 開關構成，轉換效率高，具備快速瞬態回應能力，可在 2.5V~36V 輸入電壓範圍內工作，是寬輸出電壓範圍應用的設計優化。
輸出電壓為 11V 的 Boost 轉換器
逐週期電流限制保護
輸入電壓範圍： 2.5V~36V
固定 1.3MHz 工作頻率
符合 RoHS 規範，不含鹵素
輸入電壓欠壓保護
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