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RT9387A 是采用大电流电荷泵设计的白光 LED驱动器，适用于数位相机闪光灯应用，可以 700mA 的固定电流驱动 LED 获得高品质的光源。它以 x1/x1.5/x2 等不同的电荷泵工作模式工作，可获得很高的效率和极低的压差。它内建了闪光定时溢出功能以确保高功率闪光驱动的安全，计时器的溢出时间可通过外部电容进行调节。此外，它还具有过温保护、过压保护功能，有软启动功能可避免在启动和模式转换时出现冲击电流，其封装为 WQFN-16L 2x3。
RT9387A 电路图
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<div class="spec-list"><ul class="lv1"><li>脉冲调光控制 </li><li>一个 700mA 闪光 LED 通道 </li><li>用户可程式设计的闪光和手电筒模式电流 </li><li>Tx 掩蔽功能 </li><li>用户可调安全计时器实现闪光 LED 保护 </li><li>自动的 x1/x1.5/x2 电荷泵模式转换 </li><li>启动/模式转换器冲击电流防止功能 </li><li>热调节 </li><li>过温保护 </li><li>关机电流消耗低于 0.3μA </li><li>小型16引脚 WQFN 封装 </li><li>符合 RoHS 规范，不含卤素 </li></ul></div>
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RT9387A 订购信息
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RT9387A
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<div class="spec-list"><ul class="lv1"><li>照相手机和数位相机 </li></ul></div>
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