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RT8237L PWM控制器提供高效率、优良的暂态响应和高精确度的直流输出，以用于笔记型电脑中从高电压电池降压生成低电压的CPU核心、I/O和晶片组RAM供应。 </br>它采用 COT 固定导通时间控制架构，能轻松处理宽输入/输出电压比，并在保持相对恒定的开关频率的同时，对负载暂态提供100ns的「即时启动」响应。 </br>RT8237L通过消除传统电流模式PWM中的电流感测电阻，以降低成本的方式实现高效率。它进一步提升效率的能力还包括驱动非常大的同步整流MOSFET和在轻负载条件下进入二极管仿真模式。它有预设的工作频率可供选择，减少了新设计的工作量。 </br>其应用目标是为工作电压最低达 0.7V 的 CPU 内核、晶片组、记忆体等电路供电。其出货封装形式为 VQFN-16L 3x3。 </br>建议结面温度范围为 -40°C 至 125°C，环境温度范围为 -40°C 至 85°C。
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<li class="mv5"> 输入电压范围：4.5V-26V</li><li class="mv5"> 输出电压范围：0.7V-3.3V</li><li class="mv5"> 内建 0.5% 精度 0.7V 参考电源</li><li class="mv5"> 100ns 内快速负载阶跃响应</li><li class="mv5"> 使用温度系数为 4700ppm/°C 的电流源对电流检测用 R<sub>(DS)ON</sub> 进行补偿</li><li class="mv5"> 透过下桥MOSFET进行可调电流限制</li><li class="mv5"> 4 个可选工作频率</li><li class="mv5"> 软启动控制</li><li class="mv5"> 可驱动大型同步整流 MOSFET</li><li class="mv5"> 集成自举开关</li><li class="mv5"> 内建过流保护和欠压闭锁保护</li><li class="mv5"> 过热关机保护</li><li class="mv5"> Power Good 指示</li>
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<li class="mv5"> 笔记本电脑</li><li class="mv5"> CPU 内核电源</li><li class="mv5"> 工作电压低达 0.7V 的芯片组、存储器电源通用 DC-DC 电源调节器</li>
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