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RT1988 提供理想二極體(Ideal Diode)反向電流阻斷功能,具有低正向壓降特性,並提供使能(Enable)控制輸入以實現負載斷開功能。其輸入工作電壓範圍為 3.4V 至 53V,連續輸出電流能力可達 8A,非常適合多埠 USB Type-C Sink 電流應用。此外,RT1988 具備 60V 絕對最大額定電壓(AMR)、20A 峰值電流能力(最長可達 10ms),以及欠壓鎖定(UVLO)、過壓保護(OVP)與過溫保護(OTP)等保護功能。 可調式軟啟動電路可設定輸出電壓上升速率,並有效管理高電容負載的湧入電流。在軟啟動期間,元件同時提供短路保護功能;內建 MOSFET 則具備低正向壓降與高安全操作區域(SOA)特性,可提升系統可靠度。 RT1988 採用 VDFN-20TL(5.2mm × 4mm)封裝,接面溫度工作範圍為 -40°C 至 125°C。
RT1988 電路圖
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<div class="spec-list"><ul class="lv1"><li>8A Continuous/20A Peak Current Capability </li><li>Input Supply Voltage: 3.4V to 53V </li><li>20mΩ (Typical) R<sub>ON</sub> </li><li>Analog Ideal Diode Gate Control - Blocks Reverse Current - Avoids Switch Chatter - Enables Fast Power Swap </li><li>Programmable Soft-Start </li><li>Programmable Overvoltage Protection </li><li>Over-Temperature Protection </li><li>Start-Up Short-Circuit Protection </li><li>Compliance with IEC61000-4-2 and IEC61000-4-5 Standards </li></ul></div>
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RT1988 訂購資訊
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RT1988
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<div class="spec-list"><ul class="lv1"><li>USB-C/Thunderbolt Sink Power Delivery </li><li>Notebooks Computer Barrel Jack </li><li>Docking Stations </li><li>Power ORing Applications </li></ul></div>
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