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RTQ2552 是一款高电流、低噪声、高精度、低压差线性稳压器 (LDO)，能够供出 2A 电流，且具备极低压差电压（最大 385mV）。此器件支持低至 1.1V 的单一输入供电电压，提升其易用性。</br>低噪声、高 PSRR 与高输出电流能力，使 RTQ2552 非常适合为噪声敏感器件供电，例如模数转换器 (ADC)、数模转换器 (DAC) 与 RF 元件。凭借极高精度、远端检测，以及可降低浪涌电流的软启动能力，RTQ2552 适合为 FPGA、DSP 与 ASIC 等数字负载供电。</br>外部启用控制与电源良好指示器功能可简化控制时序。通过在 NR/SS 引脚增加外部旁路电容，可提升输出噪声抗扰度。此器件完整规格适用于 T<sub>J</sub> = -40°C 至 125°C 的温度范围，并提供 WDFN-10L 2.5x2.5 (FC) 封装。
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<div class="spec-list"><ul class="lv1"><li>Input Voltage Range: 1.1V to 6.5V </li><li>Output Voltage Range: 0.8 V to 5.5V </li><li>Accurate Output Voltage Accuracy (1%) Over Line, Load, and Temperature </li><li>Ultra-High PSRR: 44dB at 500kHz </li><li>Excellent Noise Immunity <ul class="lv2"> <li></li><li>7.8μV<sub>RMS</sub> at 0.8V Output </li><li>12.8μV<sub>RMS</sub> at 5V Output </li></ul> </li><li>Ultra-Low Dropout Voltage: 90mV Maximum at 2A </li><li>Enable Control </li><li>Programmable Soft-Start Output </li><li>Stable with a 47μF or Larger Ceramic Output Capacitor </li><li>Support Power-Good Indicator Function </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Portable Electronic Devices </li><li>Wireless Infrastructures: SerDes, FPGA, DSP </li><li>RF, IF, Components: VCO, ADC, DAC, LVDS </li></ul></div>
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