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RT1988 提供理想二极体(Ideal Diode)反向电流阻断功能,具有低正向压降特性,并提供使能(Enable)控制输入以实现负载断开功能。其输入工作电压范围为 3.4V 至 53V,连续输出电流能力可达 8A,非常适合多埠 USB Type-C Sink 电流应用。此外,RT1988 具备 60V 绝对最大额定电压(AMR)、20A 峰值电流能力(最长可达 10ms),以及欠压锁定(UVLO)、过压保护(OVP)与过温保护(OTP)等保护功能。 可调式软启动电路可设定输出电压上升速率,并有效管理高电容负载的涌入电流。在软启动期间,元件同时提供短路保护功能;内建 MOSFET 则具备低正向压降与高安全操作区域(SOA)特性,可提升系统可靠度。 RT1988 采用 VDFN-20TL(5.2mm × 4mm)封装,接面温度工作范围为 -40°C 至 125°C。
RT1988 电路图
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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 订购信息
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RT1988
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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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