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RT9093 是一款低压差 (LDO) 线性稳压器,可在 1.2V 至 5.5V 的输入电压范围内运行,并提供高达 300mA 的输出电流。输出电压设计可依不同用途以两种模式运行。在可调模式下,RT9093 的输出电压可设置为 0.8V 至 5V。在固定模式下,输出电压可提供 0.8V 至 3.45V,无需外部电阻分压器,可在 PCB 面积受限的情况下降低物料清单 (BOM) 成本。此器件实现 EN 引脚以进行系统时序控制。它亦集成输入欠压锁定 (UVLO)、过电流保护 (OCP) 与过温保护 (OTP),以防止故障状况。RT9093 采用 TSOT-23-5 封装,并提供固定与可调输出电压选项,便于在各种应用中使用。它亦提供 ZQFN-4L 1x1 封装,无需外部电阻分压器。此器件完整规格适用于 T<sub>J</sub> = −40°C 至 125°C 的工作温度范围。
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<div class="spec-list"><ul class="lv1"><li>Input Voltage Range: 1.2V to 5.5V </li><li>Optional Fixed or Adjustable Output Voltage <ul class="lv2"> <li></li><li>Fixed Output: 0.8V to 3.45V </li><li>Adjustable Output: 0.8V to 5V </li></ul> </li><li>Output Current: 300mA </li><li>Low Quiescent Current: 2μA (Typical) </li><li>Low Shutdown Current: 0.1μA (Typical) </li><li>Output Voltage Accuracy: ±2% </li><li>Low Dropout Voltage: 150mV (Typical) at 300mA when VOUT ≥ 3V </li><li>High PSRR: 75dB at 1kHz </li><li>Active Output Discharge </li><li>Stable with Output 1μF Ceramic Capacitance </li><li>Overcurrent Protection </li><li>Over-Temperature Protection </li><li>Junction Temperature Range: -40°C to 125°C </li><li>Available in TSOT-23-5 & ZQFN-4L 1x1 Packages </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Portable, Battery Powered Equipment </li><li>Ultra Low Power Microcontrollers </li><li>Notebook Computers </li></ul></div>
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