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Product Spec Banner
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RT8869A 是集成了两组 MOSFET 驱动器的改进型 2/1 相同步 Buck 控制器，它集成了一个8位 DAC 以支持 Intel VR11.x CPU 的电源供应，采用了由 PS1 引脚控制的动态相数控制技术以便在宽广的负载范围内获得高效率，使用无损耗的 R<sub>DS(ON)</sub> 电流检测技术实施电流平衡操作。它的工作频率是可调的，软启动也可调整，还有短路保护、可调过流保护、过压保护、欠压保护、电源状态指示、VR_HOT 指示和 <span class="overline">VR_SHDN</span> 指示等功能。其封装规格是 WQFN-40L 5x5 。
RT8869A 电路图
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<div class="spec-list"><ul class="lv1"><li>12V 电源供应电压 </li><li>2/1 相电源转换操作 </li><li>可进行动态相数控制 </li><li>8位 DAC 支持 Intel VR11.x CPU 应用 </li><li>无损 R<sub>DS(ON)</sub> 电流检测技术支援电流平衡操作 </li><li>可调工作频率范围：50kHz~1MHz </li><li>可调过流保护 </li><li>可调软启动 </li><li>VR_RDY, VR_HOT 和 <span class="overline">VR_SHDN</span> 指示 </li><li>小型40引脚 WQFN 封装 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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RT8869A 订购信息
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RT8869A
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technicalDocumentationSection
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RT8869A
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<div class="spec-list"><ul class="lv1"><li>Desktop CPU Core Power </li><li>Middle/High End Graphic Cards </li><li>Low Voltage, High Current DC/ DC Converters </li></ul></div>
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keywordList
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