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RTQ2551A-QA 是一款极低压差线性稳压器，可在低至 0.8V 的输入电压下运行。此器件能够提供 1A 输出电流，且典型压差电压仅为 50mV。内部参考与 LDO 电路需要 VBIAS 供电来运行，而输出电流则直接来自 VIN 供电，以实现高效率调节。用户可编程软启动可限制输入浪涌电流，并将输入电源的应力降至最低。启用输入与电源良好输出可与外部稳压器轻松进行时序控制。此完整的灵活性提供易于使用且稳健的电源管理解决方案，适用于各种应用。RTQ2551A-QA 可搭配大于或等于 2.2μF 的输出电容稳定运行。精准的参考电压与误差放大器可在输入电压、线路与温度范围内提供 1% 精度。亦包含过电流限制与过温保护。RTQ2551A-QA 采用 WDFN-10L 3x3 封装。建议结温与环境温度范围为 −40°C 至 125°C。
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<li class="mv5"> AEC-Q100 Grade 1 Qualified<br /> </li><li class="mv5"> Ultralow V<sub>IN</sub> Range: 0.8V to 5.5V<br /> </li><li class="mv5"> VBIAS Voltage Range: 2.7V to 5.5V<br /> </li><li class="mv5"> VOUT Voltage Range: 0.8V to 3.6V<br /> </li><li class="mv5"> Low Dropout: 50mV Typical at 1A, V<sub>BIAS</sub> = 5V<br /> </li><li class="mv5"> 1% Accuracy Over Line/Load/Temperature<br /> </li><li class="mv5"> Power-Good Indicator for Easy Sequence Control<br /> </li><li class="mv5"> Programmable Soft-Start Provides Linear Voltage Startup<br /> </li><li class="mv5"> Stable with Any Output Capacitor ≥ 2.2μF<br /> </li><li class="mv5"> Overcurrent and Over-Temperature Protection</li>
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<li class="mv5"> PCs, Servers, Modems, and Set-Top Boxes<br /> </li><li class="mv5"> FPGA Applications<br /> </li><li class="mv5"> DSP Core and I/O Voltages<br /> </li><li class="mv5"> Instrumentation<br /> </li><li class="mv5"> Post-Regulation Applications<br /> </li><li class="mv5"> Applications With Sequencing Requirements</li>
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