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RT8284N 為高效率的DC/DC單晶片同步降壓型轉壓器,輸入電壓範圍從4.5V至23V,輸出電流至2A。RT8284N的電流模式架構與外部的補償機制可因應大範圍的輸入與負載變化的暫態回應進行優化的補償。逐週期形式的限流機制可在輸出短路時提供電路保護作用,緩啟動機制則可消除啟動瞬間的輸入電流湧浪的問題。此外RT8284N提供低電壓保護與熱關斷保護功能,低電流消耗(<3μA)的關斷模式則可斷開與輸出的連接,實現簡易的電池供電系統中的電源管理。RT8284N採用SOP-8與SOP-8(裸露焊盤)的封裝供貨。
±1.5% 精度回饋參考電壓
輸入電壓範圍:4.5VV~23V
2A 負載能力
集成 N-MOSFET 功率開關
電流模式控制架構
340kHz 固定工作頻率
輸出電壓可調範圍:0.923V~20V
效率高達 95%
可調軟啟動
可配合陶瓷輸出電容穩定運行
逐週期過流保護
輸入欠壓鎖定保護
輸出欠壓保護
過熱關機保護
符合 RoHS 規範,不含鹵素
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