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Product Spec Banner
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RT6576F是供电池供电系统使用的双通道降压控制器，由输出电压2V~5.5V可调的两组PWM控制器和分别输出5V/3.3V的两个线性稳压器构成，每个线性稳压器的输出能力为100mA，3.3V线性稳压器的输出精度在35mA以下时为1%。它还包含一个振荡器输出可用于驱动外部电荷泵电路的工作，还具有上电时序控制、Power Good指示、内置软起动等设计，还有可避免在关机期间出现负电压的输出端软放电功能。</br>PWM控制器采用恒定电流纹波控制架构，无需使用电流检测电阻，可提供100ns负载瞬态回应能力。为了提高效率，RT6576F在轻载时自动进入二极体模拟模式工作。为避免在音讯应用中出现杂讯，它包含有音讯避开模式，可将工作频率维持在25kHz以上。</br>RT6576F以WQFN-20L 3x3封装形式供货。
RT6576F 电路图
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<div class="spec-list"><ul class="lv1"><li>支援超级本连线待机模式 </li><li>CCRCOT控制架构，具有100ns负载阶跃回应能力 </li><li>最大占空比 > 98% </li><li>输入电压范围：5V~25V </li><li>输出电压可调范围 <ul class="lv2"> <li></li><li>CH1：2V~5.5V </li><li>CH2：2V~4V </li></ul> </li><li>5V/3.3V线性稳压器负载能力为100mA </li><li>3.3V线性稳压器输出精度为1% </li><li>振荡器输出可用于电荷泵电路驱动 </li><li>支援音讯避开模式 </li><li>内部频率设定： <ul class="lv2"> <li></li><li>300kHz/355kHz (CH1/CH2) </li></ul> </li><li>内置软起动和软放电功能 </li><li>4700ppm/°C R<sub>DS(ON)</sub> 电流检测 </li><li>各通道独立的使能控制 </li><li>内建OVP/UVP/OCP/OTP </li><li>不锁定的欠压锁定保护 </li><li>Power Good指示 </li></ul></div>
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RT6576F 订购信息
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RT6576F
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<div class="spec-list"><ul class="lv1"><li>笔记型电脑和类笔记型电脑 </li><li>系统电源 </li><li>2~4节锂离子电池供电的设备 </li></ul></div>
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