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RT6268 为高效率,单片式的异步整流DC/DC转换器,输入电压范围从7V至36V,输出电流可达3.7A。RT6268具有内部补偿机制的电流模式架构,为车用5V充电应用中,大范围负载变化以及输出电容的优化解决方案。逐周期形式的限流机制可在输出短路时提供电路保护作用,缓启动机制则可消除启动瞬间的输入电流涌浪的问题。此外RT6268提供输出过电压保护,输出低电压保护与过热关机保护功能,低电流(<3μA)的关机模式则可断开与输出的连接,实现简易的电池供电系统中的电源管理。RT6268采用SOP-8(裸露焊盘)的封装规格。
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<li class="mv5"> ±1% 高精确率回授电压</li><li class="mv5"> 7V 至 36V 输入电压范围</li><li class="mv5"> 3.7A 峰值输出电流</li><li class="mv5"> CC/CV 模式控制</li><li class="mv5"> 可调的负载/输入电压补偿</li><li class="mv5"> 输入电压调节补偿 </li><li class="mv5"> 短路保护 </li><li class="mv5"> 内部整合的 N-MOSFET 开关</li><li class="mv5"> 电流模式控制</li><li class="mv5"> 固定操作频率: 100 kHz</li><li class="mv5"> 可设计的输出电流限制</li><li class="mv5"> 60mΩ 的内部整合功率级 MOSFET 开关组件</li><li class="mv5"> 低 EMI </li><li class="mv5"> 效率高达 95% </li><li class="mv5"> 逐周期的过电流限制保护</li><li class="mv5"> 输入低电压锁定机制</li><li class="mv5"> 输出低电依保护 </li><li class="mv5"> 过热关机保护</li>
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<li class="mv5"> USB 电源供应</li><li class="mv5"> 车用点烟装置适配器</li><li class="mv5"> 线性充电器的电源供应</li><li class="mv5"> 具电流限制的DC</li><li class="mv5"> DC转换器</li>
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