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RT8131 是 5V 供电的高效单相同步 Buck 控制器。</br>其内崁的 MOSFET 驱动器具有高驱动能力,支持高达 5V 的驱动电压。它采用无损耗的下桥 MOSFET R<sub>DS(ON)</sub> 电流检测技术实现过流保护,其保护阈值可通过 LGATE 引脚进行设定 (LGOCS)。此外,它还具有 Power Good 指示、使能/禁止控制和内部的软启动设计,具有完整的保护功能对功率级进行保护,是具有极高性价比的高效电源转换器件,其封装为 WDFN-10L 3x3。
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<div class="spec-list"><ul class="lv1"><li>轻载效率高 </li><li>单5V驱动器电压 </li><li>内嵌高驱动能力N-MOSFET栅极驱动器 </li><li>内部300kHz固定频率震荡器 </li><li>最大88% PWM 责任周期 </li><li>电源良好指示 </li><li>使能/禁止控制 </li><li>内置软启动 </li><li>采用无损低侧MOSFET R<sub>DS(ON)</sub>电流检测技术的过电流故障监控 </li><li>LGATE过流设定 (LGOCS) </li><li>OCP, UVP, OVP, OTP, UVLO </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>主板内存/芯片组电源 </li><li>显卡 GPU/RAM 电源 </li><li>低压、大电流 DC-DC 调节器 </li></ul></div>
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