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Product Spec Banner
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RT1741A是高效率的单电感 Buck-Boost 转换器，可在电池之类的宽输入电压范围内工作，解决输入电压可能高于、也可能低于输出电压的问题，电流输出能力可达 4A，开关电流峰值限制典型值达到 4.5A。</br>无论处于 Buck 模式或 Boost 模式，其回授回路的补偿都在内部予以实现；两个模式之间的转换是平顺无冲击的；其瞬态响应特性是经过优化的。它以 2.4MHz 工作频率进行全同步的操作，仅在低功率输出时才进入 PSM 模式以提高效率，但这是可以被禁止的。它也可以被强制地与外部时钟进行同步操作，该同步信号的频率可在 2.2MHz~2.6MHz 之间。RT1741A 的输出电压可用外部电阻分压器进行设定。
RT1741A 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>可调输出电压范围：1.8V~5.5V </li><li>V<sub>IN</sub> > 3.6V, V<sub>OUT</sub> = 3.3V 时，最大负载能力达 3A </li><li>以节能模式提升低功率输出时的效率 </li><li>2.4MHz 工作频率，可被外来 2.2MHz~2.6MHz 频率信号同步 </li><li>效率高达 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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RT1741A 订购信息
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RT1741A
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RT1741A
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<div class="spec-list"><ul class="lv1"><li>手机 </li><li>可擕式硬碟驱动器 </li><li>PDA </li></ul></div>
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