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The RTQ2532 is a high-current (2A), low-noise (6.8μVRMS), high-accuracy (1% over line, load, and temperature), low-dropout linear regulator (LDO) capable of sourcing 2A with extremely low dropout (maximum 125mV). The device output voltage is pin-selectable (up to 3.95V) using a PCB layout without the need of external resistors, thus reducing the overall component count. Designers can achieve higher output voltage with the use of an external resistor divider. The device supports single input supply voltage as low to 1.1V that makes it easy to use.The low noise, high PSRR, and high output current capability make the RTQ2532 ideal to power noise-sensitive devices such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and RF components. With very high accuracy, remote sensing, and soft-start capabilities to reduce inrush current, the RTQ2532 is ideal for powering digital loads such as FPGAs, DSPs, and ASICs.The external enable control and power-good indicator function make the control sequence easier. The output noise immunity is enhanced by adding an external bypass capacitor on the NR/SS pin. The device is fully specified over the temperature range of T<sub>J</sub> = -40°C to 125°C and is offered in a VQFN-20L 5x5 package.
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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 - 0.8 V to 5.5V (Set by a Resistive Divider) - 0.8 V to 3.95V (Set via PCB Layout, No External Resistor Required) </li><li>Accurate Output Voltage Accuracy (1%) Over Line, Load, and Temperature </li><li>High PSRR: 40dB at 500kHz </li><li>Noise Immunity - 6.8μV<sub>RMS</sub> at 0.8V Output - 10μV<sub>RMS</sub> at 3.3V Output </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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<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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