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RTQ2538 是负载能力达 2A 的低噪声、低压差、高精度线性稳压器，最低输入电压可达 1.1V，易于使用。</br>低噪声、高 PSRR、大电流能力使 RTQ2538 成为对电源噪声敏感的模数转换器、数模转换器和射频器件的理想供电器件。因其输出精度高、采用遥测技术，可用软启动降低冲击电流，RTQ2538 也是FPGA、DSP 和 ASIC 等数字器件常用的电源方案。</br>它具有易于进行时序控制的外部使能输入端和 Power Good 指示，通过在 NR/SS 引脚增加外接旁路电容可增强其抑制输出噪声的效果。器件之规格在 T<sub>J</sub> = -40°C 至 125°C 范围内都能得到保证，其出货封装为 WQFN-12L 2.2x2.5 (FC)。
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<div class="spec-list"><ul class="lv1"><li>输入电压范围：1.1V至6.5V </li><li>输出电压范围：0.8V至5.5V </li><li>全输入、负载和温度范围内的输出电压精度为 1% </li><li>PSRR：43dB @ 500kHz </li><li>卓越的噪声抑制能力 <ul class="lv2"> <li></li><li>7.8μV @ 0.8V 输出 </li><li>12.8μV @ 5V 输出 </li></ul> </li><li>最低输入、输出压差：90mV @ 2A </li><li>使能控制 </li><li>可调软启动 </li><li>47μF 或更大的陶瓷输出电容均可稳定工作 </li><li>Power Good 指示输出 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>便携式电子设备 </li><li>无线基础设施之 SerDes、FPGA、DSP 供电 </li><li>射频、中频组件如 VCO、ADC、DAC、LVDS 之供电 </li></ul></div>
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