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RTQ1741A是高效率的单电感Buck-Boost转换器,适用于电池类电压范围比较宽的应用中,其输入电压可高于或低于输出电压,具有典型值为4.5A的开关电流限制峰值,最大负载能力可达4A。</br>RTQ1741A使用内置的回馈补偿回路,可在Buck和Boost模式之间平滑切换,具有卓越的瞬态回应能力。其典型工作频率为2.4MHz,可以使用2.2MHz~2.6MHz外部时钟信号同步其工作。其在轻载情形下的工作模式可以被选择为节能模式以提高效率。其输出电压通过使用电阻分压器进行设定。
RTQ1741A 电路图
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<div class="spec-list"><ul class="lv1"><li>输入电压范围:1.8V~5.5V </li><li>输出电压可调范围:1.8V~5.5V </li><li>V<sub>IN</sub> > 3.6V, V<sub>OUT</sub> = 3.3V时的最大负载能力为3A </li><li>使用轻载节能模式提高效率 </li><li>固定工作频率为2.4MHz,可用2.2MHz~2.6MHz信号同步其工作 </li><li>最高效率可达96% </li><li>输入电流限制 </li><li>内部补偿 </li><li>符合RoHS规范,不含卤素 </li></ul></div>
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RTQ1741A 订购信息
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<div class="spec-list"><ul class="lv1"><li>行动电话 </li><li>可擕式硬碟 </li><li>个人数位助理 </li></ul></div>
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