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Product Spec Banner
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RT5047 是一款高度整合的电压稳压器与介面 IC，专为从先进卫星机上盒（STB）模组向天线碟中的 LNB 降频转换器或多重切换盒供应电源与控制讯号而设计。此元件由独立的电流模式升压控制器、低压差线性稳压器，以及支援 DiSEqC<sup>TM</sup>1.x 通讯所需的 22kHz tone shaping 电路组成。RT5047 具备故障保护功能，包括过电流、过温与欠电压锁定。RT5047 采用 SOP-8（Exposed Pad）封装，可提供最佳化散热解决方案。
RT5047 电路图
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<div class="spec-list"><ul class="lv1"><li>Wide Input Supply Voltage Range : 8V to 16V </li><li>Output Current Limit of 550mA with 45ms timer </li><li>Low Noise LNB Output Voltage (13.3V and 18.3V by SEL Pin, 14.3V and 19.3V by COMP Pin) </li><li>±3% High Accuracy for 0mA to 500mA Current Output </li><li>Push-Pull Output Stage minimizes 13.3V to 18.3V and 18.3V to 13.3V Output Transition Time </li><li>External 22kHz Tone Input </li><li>Meet DiSEqC<sup>TM</sup>1.x Protocol </li><li>Output Short Circuit Protection </li><li>Over-Temperature Protection </li></ul></div>
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RT5047 订购信息
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RT5047
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RT5047
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<div class="spec-list"><ul class="lv1"><li>LNB Power Supply and Control for Satellite Set-Top Box </li><li>Analog and Digital Satellite Receivers/Satellite TV, Satellite PC cards </li></ul></div>
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