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RTQ2538H - Ultra-Low Dropout Linear Regulator

Description

The RTQ2538H is a high-current, low-noise, high accuracy, low-dropout linear regulator (LDO) capable of sourcing 2A with extremely low dropout (max.

90mV).

The device supports single input supply voltage as low to 1.1V, enhancing its ease of use.

Features

  • Input Voltage Range: 1.1V to 6.5V.
  • Output Voltage Range: 0.8 V to 5.5V.
  • Accurate Output Voltage Accuracy (1%) Over Line, Load and Temperature.
  • Ultra-High PSRR: 43dB at 500kHz.
  • Excellent Noise Immunity.
  • 7.8VRMS at 0.8V Output.
  • 12.8VRMS at 5V Output.
  • Ultra-Low Dropout Voltage: 90mV Max. at 2A.
  • Enable Control.
  • Programmable Soft-Start Output.
  • Stable with a 47F or Larger Ceramic Output Capacitor.
  • Supports Power-Good Indicator Function 3.

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Datasheet preview – RTQ2538H

Datasheet Details

Part number RTQ2538H
Manufacturer Richtek
File Size 1.45 MB
Description Ultra-Low Dropout Linear Regulator
Datasheet download datasheet RTQ2538H Datasheet
Additional preview pages of the RTQ2538H datasheet.

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Full PDF Text Transcription

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RTQ2538H 2A, 6.5V, Ultra-Low Noise, Ultra-Low Dropout Linear Regulator 1 General Description The RTQ2538H is a high-current, low-noise, high accuracy, low-dropout linear regulator (LDO) capable of sourcing 2A with extremely low dropout (max. 90mV). The device supports single input supply voltage as low to 1.1V, enhancing its ease of use. The low-noise, high PSRR and high output current capability makes the RTQ2538H ideal for powering 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 RTQ2538H is suitable for powering digital loads such as FPGAs, DSPs, and ASICs.
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