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RT4503/A 是具备驱动10只串联 WLED 的高集成度 LED 驱动器，它包括了一个电流模式 Boost 转换器和 36V/1.2A 的功率开关。RT4503/A 可在 2.5V~5.5V 的输入电压范围内以 550kHz 的工作频率工作，使用一只电阻即可设定 LED 电流，反馈电压为 200mV。调光方面，RT4503A 支持32级脉冲调光法，RT4503 则支持 PWM 调光法，它们都对反馈系统的参考电压进行调节。
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<li class="mv5"> 输入电压范围：2.5V~5.5V</li><li class="mv5"> 36V 开路保护电压，容许驱动10只 WLED</li><li class="mv5"> 脉冲调光方式</li><li class="mv5"> 参考电压 200mV，精度 ±2%</li><li class="mv5"> 550kHz 工作频率</li><li class="mv5"> 内建软启动</li><li class="mv5"> 过热保护</li><li class="mv5"> 内部补偿</li><li class="mv5"> 电流限制</li>
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<li class="mv5"> 移动电话</li><li class="mv5"> 数码相机</li><li class="mv5"> 便携式设备</li>
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