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Product Spec Banner
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RT7331是可调光定电流LED驱动器，它以准谐振模式工作，具有较高的效率表现。它使用初级侧调整方式对输出电流进行精确调节，无需使用次级侧分流式调节器和光电耦合器，构成系统的元件数量少，成本低，节省板面空间。<Br>RT7331支持使用模拟信号进行调光操作，其输出电流可用DIM端子上的PWM信号占空比或是平均值进行调节。<Br>RT7331具有众多的保护功能以确保产品的强壮，其中包括LED开路保护、LED短路保护、、输出二极管短路保护、VDD欠压锁定保护、VDD过压保护、过载保护、输入欠压/过压保护、内部过热保护和逐周期电流限制保护。
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<div class="spec-list"><ul class="lv1"><li>LED电流调节精度高 </li><li>智能CC/CV控制模式 </li><li>调光范围宽：1%~100% </li><li>准谐振工作模式 </li><li>快速启动 </li><li>可调节CV阈值 </li><li>400mA/-500mA吐纳能力，软驱动获得更好EMI性能 </li><li>多种保护特性 <ul class="lv2"> <li></li><li>LED开路保护 </li><li>LED短路保护 </li><li>过载保护 </li><li>输入欠压/过压保护 </li><li>输出二极管短路保护 </li><li>VDD前压保护 </li><li>VDD过压保护 </li><li>内部过热保护 </li><li>逐周期电流限制保护 </li></ul> </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>DC/DC LED照明驱动器 </li></ul></div>
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