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RT8159E為一雙通道DC/DC穩壓控制器,專為12V雙輸出電源應用而設計。此產品由一個同步整流降壓PWM控制器和一個低壓差線性穩壓(LDO )控制器組成。降壓PWM控制器採用電壓模式控制操作並具有外部補償。 MOSFET柵極驅動器和自舉二極體都整合於控制器內,以減少外部的元件數量。 MOSFET柵極驅動器提供的12V驅動電壓給高側和低側MOSFET,以實現高效率的電源轉換。LDO控制器驅動一個外部N-MOSFET的低功耗應用。其他特點包含可調振盪器頻率、內部軟啟動、快速瞬態響應、欠電壓保護、啟用/禁用控制和PWM輸出的電流保護。利用上述功能, RT8159E為客戶提供一個體積小、高效率和具有成本效益的解決方案。
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