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RT8816B 是采用 PWMVID 接口、针对高性能图形处理器进行了优化、符合 nVidia OVR2 规格的以 2/1 相工作的同步 Buck 控制器，其控制架构为固定导通时间（Constant On Time, COT），集成了包括自举二极管在内的两组 MOSFET 驱动器，具有通道间电流平衡和包括过压保护、欠压保护、电流限制和过热关机保护等在内的保护功能，使用了 WQFN-20L 3x3 封装。它采用 R<sub>DS(ON)</sub> 电流检测技术，通过持续的电感电流监测实施电流限制并实现精确的通道间电流平衡。</br>RT8816B 采用外部参考输入和 PWMVID 输出电压动态控制技术使反馈电压得到调节以跟随外部参考输入电压的变化，其工作频率可调，工作相数动态可控，内含软启动，具有 Power Good 指示和使能控制功能。
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<li class="mv5">两相 PWM 控制器</li><li class="mv5">运行状态 1P-CCM/2P-CCM/1P-DEM/2P-DEM 可选</li><li class="mv5">内建 MOSFET 驱动器和自举二极管</li><li class="mv5">支持 1.8V PWM-VID 接口</li><li class="mv5">外部参考输入控制</li><li class="mv5">PWM-VID 动态电压控制</li><li class="mv5">相数动态可控</li><li class="mv5">无额外损耗的 R<sub>DS(ON)</sub> 电流检测技术实现电流平衡</li><li class="mv5">电流限制阈值可调</li><li class="mv5">工作频率可调</li><li class="mv5">欠压保护和过压保护</li><li class="mv5">直通保护和无短脉冲技术</li><li class="mv5">支持以超低压输出实现待机运行</li><li class="mv5">过热关机保护</li><li class="mv5">Power Good 指示（从 EN 有效到 PG 变高时长 = 500μs）</li>
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<li class="mv5">CPU/GPU 内核电源</li><li class="mv5">台式电脑存储器电源</li><li class="mv5">芯片组电源</li><li class="mv5">通用 DC/DC 电源</li>
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