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Product Spec Banner
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RTQ2532A/RTQ2532N 是一款高电流 (2A)、低杂讯 (6.8μVRMS)、高精度（输入电压、负载与温度范围内 1%）、低压差线性稳压器 (LDO)，能够供出 2A 电流，且具备极低压差（最大 125mV）。此元件的输出电压可透过脚位选择（最高达 3.95V），并可利用 PCB 布局设定，无需外部电阻，因而降低整体元件数量。设计人员可透过使用外部电阻分压器实现更高的输出电压。此元件支援低至 1.1V 的单一输入供应电压，使其易于使用。低杂讯、高 PSRR 与高输出电流能力，使 RTQ2532A/RTQ2532N 非常适合为杂讯敏感元件供电，例如类比数位转换器 (ADC)、数位类比转换器 (DAC) 与 RF 元件。凭藉极高精度、远端感测，以及可降低突入电流的软启动能力，RTQ2532A/RTQ2532N 非常适合为 FPGA、DSP 与 ASIC 等数位负载供电。外部启用控制与电源良好指示器功能使控制时序更容易。透过在 NR/SS 脚位增加外部旁路电容，可提升输出杂讯抗扰度。此元件完整规格适用于 TJ = −40°C 至 125°C 的温度范围，并提供 VQFN-20L 3.5x3.5 与 VQFN-20L 5x5 封装。
RTQ2532A/RTQ2532N 电路图
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<div class="spec-list"><ul class="lv1"><li>Input Voltage Range: 1.1V to 6.5V </li><li>Two Output Voltage Modes: <ul class="lv2"> <li></li><li>0.8V to 5.5V (Set by a Resistive Divider) </li><li>0.8V to 3.95V (Set via PCB Layout, No External Resistor Required) </li></ul> </li><li>Accurate Output Voltage Accuracy (1%) Over Line, Load, and Temperature </li><li>High PSRR: 40dB at 500kHz </li><li>Noise Immunity: <ul class="lv2"> <li></li><li>6.8μVRMS at 0.8V Output </li><li>10μVRMS at 3.3V Output </li></ul> </li><li>Dropout Voltage: 125mV at 2A </li><li>Enable Control </li><li>Programmable Soft-Start Output </li><li>Stable with a 22μF or Larger Ceramic Output Capacitor </li><li>Support Power-Good Indicator Function </li></ul></div>
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RTQ2532A/RTQ2532N 订购信息
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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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