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RT8509是高性能的開關模式Boost轉換器,目的是為動態矩陣薄膜電晶體液晶顯示幕提供穩定的電源供應。它採用電流模式控制架構、固定工作頻率的脈寬調製(PWM)電路,集成了N-MOSFET開關,轉換效率高,瞬態回應速度快。其輸入電壓範圍為2.8V~14V,使用外接電阻分壓器進行調節的輸出電壓最高達24V,最大峰值電流限制典型值為3.5A,具有可調軟起動、過壓保護、過熱保護等特性。其封裝為WDFN-10L 3x3。
效率高達90%
輸出電壓可調,最高達24V
輸入電壓範圍:2.8V~14V
1.2MHz固定工作頻率
可調軟起動
輸出過壓保護
過熱保護
10引腳WDFN封裝
符合RoHS規範,不含鹵素
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