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Product Spec Banner
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RT6576E 是双通道降压控制器，可用于电池供电系统生成系统所需电压。它包含两个输出电压 2V~5.5V 可调的 PWM 控制器和两组输出电压为 5V/3.3V 的线性稳压器，每组线性稳压器可提供高达 100mA 的输出电流，3.3V 线性稳压器的输出电压精度在 35mA 以下负载时可达 1%。此外，它还包含一个可用于外部电荷泵电路的振荡器输出。它还具有内建的上电时序管理、Power Good 输出、内置软启动和避免在关机期间出现负电压的输出软放电功能。</br>固定电流涟波的 PWM 控制架构在工作时无需使用电流检测电阻，还对负载瞬变具有 100ns 的快速响应能力。为了提高转换效率，RT6576E 在轻载应用中会自动切入二极管仿真模式。为了避免在音频应用中出现噪声，它包含了音频避开模式，该模式将开关切换频率维持在 25kHz 以上。RT6576E 的封装是 WQFN-20L 3x3。
3
RT6576E 电路图
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<div class="spec-list"><ul class="lv1"><li>支持超级本联机待机模式 </li><li>CCRCOT控制架构，具有100ns负载阶跃响应能力 </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>支持音频避开模式 </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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RT6576E 订购信息
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RT6576E
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RT6576E
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<div class="spec-list"><ul class="lv1"><li>笔记本电脑和类笔记本电脑 </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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