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Product Spec Banner
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RT6586A/B 是双通道 Buck 控制器，用于为电池供电的系统生成稳定的电压。其中包含两组输出电压 2V~5.5V 可调的 PWM 控制器和两组恒定 5V/3.3V 输出的线性稳压器，每组线性稳压器可输出最大 100mA 的电流，3.3V 线性稳压器在输出电流低于 35mA 时的稳压精度可达 1%。它还包含了一个可用于外部电荷泵电路的振荡器输出，具有集成化的上电时序控制功能、内部软起动功能和防止关机以后出现负压的输出软放电功能。它采用定电流纹波 PWM 控制技术，工作时无需使用电流检测电阻，对负载瞬变具有 100ns 的回应速度。<br>为了获得最高的转换效率，RT6586A/B 在轻载条件下自动进入二极体模拟模式工作。其封装为 WQFN-20L 3x3。
RT6586A/RT6586B 电路图
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<div class="spec-list"><ul class="lv1"><li>支援轻薄型笔记型电脑的连接待机模式 </li><li>CCRCOT 控制架构，具有 100ns 负载阶跃回应速度 </li><li>最大占空比 > 98% </li><li>5V~25V 的输入电压范围 </li><li>输出电压调节范围： <ul class="lv2"> <li></li><li>CH1：2V~5.5V </li><li>CH2：2V~4V </li></ul> </li><li>5V/3.3V LDO 具有 100mA 输出能力 </li><li>3.3V LDO 输出精度达1% </li><li>振荡器输出可供电荷泵电路使用 </li><li>内部频率设定：400kHz/475kHz(CH1/CH2) </li><li>内部软启动和软放电 </li><li>4700ppm/°C R<sub>DS(ON)</sub> 电流检测 </li><li>独立控制器使能控制 </li><li>内建 OVP/UVP/OCP/OTP </li><li>非锁定的 UVLO </li><li>Power Good 指示 </li></ul></div>
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RT6586A/RT6586B 订购信息
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<div class="spec-list"><ul class="lv1"><li>笔记型电脑 </li><li>系统电源 </li><li>3~4 节锂离子电池供电的系统 </li></ul></div>
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