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RT8125H 是具有转换效率高、瞬态响应特性好、输出电压精度高的 PWM 控制器，可满足笔记本电脑 CPU 内核、I/O 接口、芯片组及 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 及时响应能力的专门技术，可保持工作频率的相对恒定。</br>RT8125H 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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<li class="mv5">立锜 Mach Response<SUP>™</SUP> 技术</li><li class="mv5">1% 精度 0.8V 参考电压</li><li class="mv5">VCC 电压范围：4.5V~13.2V</li><li class="mv5">V<SUB>OUT</SUB> 电压范围：0.3V~3.3V</li><li class="mv5">功率级输入 V<SUB>IN</SUB> 电压范围：1.5V~24V</li><li class="mv5">固定工作频率：300kHz</li><li class="mv5">V<SUB>IN</SUB> 检测</li><li class="mv5">通过 LG_OCSET 设定电流限制阈值</li><li class="mv5">有 PGOOD 指示</li><li class="mv5">内建自举开关</li><li class="mv5">上桥栅极驱动器拉低电阻为 10kΩ</li><li class="mv5">使用下桥导通电阻进行电流检测、限制</li><li class="mv5">使用使能端进行模式选择</li><li class="mv5">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 class="mv5">关机电流消耗低于 100μA</li><li class="mv5">符合 RoHS 规范，不含卤素</li>
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<li class="mv5">通用 DC/DC 转换器</li><li class="mv5">电脑主板，服务器</li>
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