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RT8127A为内建MOSFET驱动以及两组LDO的双通道输出同步降压型PWM控制器，具有绿能电压模式(GVM™)的特点，可以在轻载状态时达到高效率的表现。RT8127A当在轻载状态时，可藉由脚位设置自动操作在二级管仿效模式的恒定导通时间PFM以降低切换频率并改善电能转换效率。当负载电流增加，RT8127脱离二级管仿效模式并操作在恒定频率的连续导通模式(CCM)。180°的错相PWM控制可减少所需的输入电容大小。RT8127A支持4.5V至26V的输入电压范围，并整合5V的LDO可供应给内部闸极驱动及控制器的电源需求。当通道1的降压转换器输出电压高于5V，供应电源会自动切换为内建的LDO供应5V的输出。RT8127A提供每个通道的 致能/关闭 功能、外部缓开机设计以及可调的切换频率与电源良好指示功能，并采用无损耗的电感DCR电流感测技术的过电流保护功能。其它的保护功能包括过电压、低电压、过热关机与过低电压闩锁功能。RT8127A并支持 WQFN-28L 4x4 的小型封装。
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<li class="mv5"> 绿能电压模式(GVM™)控制</li><li class="mv5"> 轻载高效率</li><li class="mv5"> 在轻载输出时自动切换为省略模式(ASM) </li><li class="mv5"> 可由脚位控制切换CCM/DEM 操作</li><li class="mv5"> 在CCM操作时180°的错相PWM控制</li><li class="mv5"> 支持4.5V 至26V输入电压范围</li><li class="mv5"> 整合5V MOSFET 驱动器以及自举电路</li><li class="mv5"> 整合5V与12V的 LDO</li><li class="mv5"> 提供各通道的 致能/关闭 功能 </li><li class="mv5"> 外部/内设 的缓启动控制 </li><li class="mv5"> 可调的LGATE PWM 频率设定(LGFS)</li><li class="mv5"> 可自动切换的5V 调节器</li><li class="mv5"> 电源良好信号指示</li><li class="mv5"> VIN 前向回馈的控制回路 </li><li class="mv5"> 无损耗的电感DCR电流感测</li><li class="mv5"> 支持过电压、低电压、过电流保护、过热关机与过低电压闩锁功能</li><li class="mv5"> 过电压、低电压、过热关机与过低电压闩锁功能</li>
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<li class="mv5"> Motherboard, Server, Graphic Card </li><li class="mv5"> System Power Supplies </li><li class="mv5"> Power Module</li>
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