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RT8064 是负载能力为 2A 的电流模式同步 Buck 转换器，具有 2.7V~5.5V 的输入电压范围，内建 0.8V 精密参考电压源，集成低 R<SUB>DS(ON)</SUB> MOSFET 功率开关以获取高转换效率，使用了 WDFN-8L 3x3 和具有外露式散热焊盘的 SOP-8 封装。</br>轻载条件下，RT8064 自动运行于 PSM 工作模式以维持其高转换效率，它还具有逐周期电流限制保护特性来确保其在遇到输出端短路、过流和在电感饱和的情形下也能避免出现严重的损伤，有可调软启动功能可避免出现启动期间的电流冲击，还具有输入欠压锁定保护、输出欠压保护和过热保护功能，可在各种工作条件下确保安全和平稳地运行。
/content/dam/richtek-eds/resources/product-specifications/rt80/rt8064/images/circuit/97430qbarh.GIF
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<li class="mv5">输入电压范围：2.7V~5.5V</li><li class="mv5">集成 180mΩ/120mΩ MOSFET 功率开关</li><li class="mv5">用 100% 占空比实现超低压差工作</li><li class="mv5">有轻载节能模式</li><li class="mv5">工作频率可调范围：200kHz~2MHz</li><li class="mv5">使用 0.8V 参考电压，容许输出低电压</li><li class="mv5">有使能控制输入</li><li class="mv5">外部可调软启动</li><li class="mv5">有 Power Good 输出</li><li class="mv5">输入欠压锁定保护</li><li class="mv5">输出欠压保护</li><li class="mv5">过热保护</li><li class="mv5">符合 RoHS 规范，不含卤素</li>
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<li class="mv5">液晶电视和显示器</li><li class="mv5">笔记本电脑</li><li class="mv5">分布式电源系统</li><li class="mv5">网络电话</li><li class="mv5">数字摄像机</li>
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