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RT8237C/D为提供高效率、优越的暂态回应与高直流输出稳定度的降压型PWM 控制器，适用于电池降压供电予笔记型电脑内部具有低压电源需求的CPU核心、I/O与RAM晶片等应用。</br>PWM的固定导通时间架构可允许较广的输入/输出电压比，并可在固定的切换频率下提供100ns "instant-on" 的负载回应特性。RT8237C/D 具备高效率并可不必装设以往传统PWM电流模式所必要的电流感测电阻以达到低电路设计成本的优势，并可借由驱动同步整流MOSFET并进入二极体仿效模式以达到轻载状态的高效率表现。其降压转换特性允许装置电池达到最高效率的条件下进行高低压转换。可预设的频率选择功能可降低应用新设计时所需要额外耗费的设计资源。RT8237C/D 为专用于CPU核心、DRAM或其他需要低于0.7V的应用设计。The RT8237C支持WDFN-10L 3x3 封装，RT8237B 支持 WQFN-12L 2x2的封装。</br>建议结面温度范围为 -40°C 至 125°C，环境温度范围为 -40°C 至 85°C。
RT8237C/RT8237D 电路图
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<div class="spec-list"><ul class="lv1"><li>宽输入电压范围: 4.5V 至 26V </li><li>输出电压范围: 0.7V至 3.3V </li><li>内建0.5% 0.7V 参考电压 </li><li>100ns以内的快速负载步阶回应 </li><li>可借由低端R<sub>DS(ON)</sub>感测程式设计的4700ppm/°C 电流限制设计 </li><li>四组可选的频率设定 </li><li>缓启动控制 </li><li>可驱动大型同步整流FET </li><li>整合的自举开关 </li><li>内建 过电压/过电流/低电压 保护 </li><li>过热关机 </li><li>电源良好信号指示 </li><li>符合RoHS规范与无卤特性 </li></ul></div>
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i18n(tabs.ordering-information.title)
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productImageSwitcher
RT8237C/RT8237D 订购信息
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RT8237C/RT8237D
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RT8237C/RT8237D
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<div class="spec-list"><ul class="lv1"><li>液晶电视 </li><li>显示器 </li><li>家用音响 </li><li>娱乐设备 </li><li>电子音乐设备 </li></ul></div>
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keywordList
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i18n(support-card-item.sales.url)
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