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RT8279為內置功率開關元件的降壓型轉換器,可在寬輸入電壓範圍內達到5A的的連續電流輸出,並具有良好的負載與電源電壓調節率,電流模式操作提供快速的暫態回應與簡易的迴路穩定架構。RT8279並提供了逐週期形式的限流機制與熱關斷保護功能,操作在關機模式時,轉換器只有25µA的低電流消耗。RT8279只需要少數的外部元件,提供更便利輕巧的應用方案。RT8279採用SOP-8 (裸露焊盤)的封裝規格。
輸出電流高達5A
內部的緩啟動設計
110mΩ 內部功率MOSFET開關
具內部的補償機制可減少外部元件數量
效率高達 90%
25μA 關機電流
500kHz固定操作頻率
熱關斷保護
逐週期的過電流保護
5.5V 至 36V 寬輸入電壓操作範圍
1.222V 至 26V 可調輸出電壓範圍
採用SOP-8 (裸露焊盤)的封裝規格
符合RoHS規範與無鹵特性
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