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RT5047B是一高度整合电压调节器与IC接口,专门设计从先进的卫星机顶盒 (STB) 组件供应电源及控制信号到LNB降控制器的天线或多开关盒。此设置随着22kHz信号支持DiSEqCTM1.x通讯所需的电路，包含独立电流模式升压模式控制器和低电压差线性调节器。RT5047B具有保护功能 (过流保护、过温保护及欠压锁定)。其支持SOP-8 (裸露焊盘) 封装以达到优化过温散热的解决方案。
输入电压范围 : 8V~16V
6ms定时器, 550mA的输出电流限制
低噪声LNB输出电压 (13.3V/14.3V及18.3V/19.3V SEL/COMP引脚)
0mA~500mA ±3%高精度电流输出
推拉输出级最小值输出转换时间
外部22kHz信号输入
符合DiSEqCTM1.x协议
输出短路电流保护
过温保护
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