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RT8125 是具有转换效率高、瞬态回应特性好、输出电压精度高的 PWM 控制器，可满足笔记型电脑 CPU 内核、I/O 介面、晶片组及 RAM 对电源供应的需求。它所采用的 Richtek Mach Response™ 技术是对负载瞬变具有 100ns 及时回应能力的专门技术，可保持工作频率的相对恒定。 </br>RT8125 省略掉了传统电流模式PWM 控制架构需要的电流检测电阻，在降低了成本的同时又收获了高效率，更因具备驱动大型同步整流MOSFET 的能力而强化了其效率表现，可以最高的效率直接将电池高电压转换为低电压。它提供具有 1% 精度的 0.8V 参考电压输出，在高精度输出的应用中具有最低 1mA 的电流吐纳能力
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<div class="spec-list"><ul class="lv1"><li>立锜 Mach Response<sup>™</sup> 技术 </li><li>1% 精度 0.8V 参考电压 </li><li>VCC 电压范围：4.5V~13.2V </li><li>V<sub>OUT</sub> 电压范围：0.3V~3.3V </li><li>功率级输入 V<sub>IN</sub> 电压范围：1.5V~24V </li><li>固定工作频率：300kHz </li><li>通过 LG_OCSET 设定电流限制阈值 </li><li>有 PGOOD 指示 </li><li>内建自举开关 </li><li>上桥栅极驱动器拉低电阻为 10kΩ </li><li>使用下桥导通电阻进行电流检测、限制 </li><li>具有内部上拉电流的启用功能 </li><li>过压保护、欠压保护、过热保护、过压保护预处理、电流限制保护 </li><li>关机电流消耗低于 100μA </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>通用 DC-DC 转换器 </li><li>电脑主机板，伺服器 </li></ul></div>
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