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RT8301 是具有动态余量控制（ DHC ）功能的8通道恒流吸入 LED 驱动器，它能提供良好的通道间电流一致性，可通过调节 VSET 电压设定合适的 MOSFET/BJT 电压差。此外， DHC 提供了稳定的 VFB 调节，这使得即便是在调光期间也能保持很小的电压纹波。<br>RT8301 的8个通道之间的电流误差范围在3%以内，在不同芯片之间也保持这一水平。各通道的输出电流可通过一只外部电阻（ RISET ）进行调节。 LED 的亮度还可以通过施加在 EN/PWM 端的占空比范围为 0%~100% 的 PWM 信号进行调节。 RT8301 可以借助外部组件实现大电流操作满足应用需求。
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<div class="spec-list"><ul class="lv1"><li>宽输入电压范围：5V~24V </li><li>可调通道电流 </li><li>3% 电流检测放大器输入偏移 </li><li>VCC 欠压锁定 </li><li>热关机 </li><li>可调节动态余量控制（ DHC ）功能 </li><li>LED 开路/短路保护 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>LCD TV, MNT Display Backlight </li><li>DC/DC or AC/DC LED Driver Application </li><li>General Purpose Constant Current Source </li><li>Architectural and Decorative LED Lighting </li><li>LED Street Lighting </li></ul></div>
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