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RT9174 是為主機板應用設計的三路線性穩壓控制器,這些穩壓輸出的目的是為電腦系統的 AGP(2X/4X)電源、2.5V時鐘電源和南/北橋內核和/或快速緩存電路的1.8V電壓供電。這些控制器可以驅動 NPN 電晶體或 N 型 MOSFET 作為調整元件。當通過 12V 電源驅動 N-MOSFET 時,特殊設計的驅動器電源供電電壓可以高於 VDD。RT9174 採用小型的 SOP-8 封裝以節省板上空間佔用,它還內建了電流限制和熱關機保護功能。
在 SOP-8 封裝中集成了3組線性控制器
可驅動 NPN 或 N-MOSFET
吐( > 100mA )納( > 5mA )驅動器
三態輸出驅動器
內置 0.8V 參考電壓
輸出電壓可調
高輸出穩定性
根據 AGP 需要,VDDQ 1.5/3.3V自動改變
3V~8V 輸入電壓範圍
電流限制和過溫保護
符合 RoHS 規範,完全無鉛
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