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LT3073 - 45mV Dropout Ultra-Fast Linear Regulator

General Description

The LT®3073 is a low voltage, ultra-low noise, and ultra-fast transient response linear regulator.

The device supplies up to 3A with a typical dropout voltage of 45mV.

A 4.7µF reference bypass capacitor decreases output voltage noise to 1.2µVRMS.

Key Features

  • Ultra-low RMS Noise: 1.2μVRMS (10Hz to 100kHz).
  • Ultra-low Spot Noise: 3nV/√ at 10kHz.
  • Ultra-low1/fNoise:7µVP-P from0.1Hz to 10Hz.
  • High-Frequency PSRR: 52dB at 1MHz.
  • Ultra-fast Transient Response.
  • Dropout Voltage: 45mV Typical.
  • Digitally Programmable VOUT: 0.5V to 4.2V.
  • Output Tolerance: ±1.5% Over Line, Load, and Temperature.
  • Precision Current Monitor: ±3% accuracy at 3A.
  • Programmable Current Limit: ±3% at 3A.
  • Input Range: 0.6V to 5.5V.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet LT3073 3A, Ultra-Low Noise, High PSRR, 45mV Dropout Ultra-Fast Linear Regulator FEATURES  Ultra-low RMS Noise: 1.2μVRMS (10Hz to 100kHz)  Ultra-low Spot Noise: 3nV/√ at 10kHz  Ultra-low1/fNoise:7µVP-P from0.1Hz to 10Hz  High-Frequency PSRR: 52dB at 1MHz  Ultra-fast Transient Response  Dropout Voltage: 45mV Typical  Digitally Programmable VOUT: 0.5V to 4.2V  Output Tolerance: ±1.5% Over Line, Load, and Temperature  Precision Current Monitor: ±3% accuracy at 3A  Programmable Current Limit: ±3% at 3A  Input Range: 0.6V to 5.5V  Digital Output Margining: ±2.