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LT3046 - Ultra-High PSRR Linear Regulator

General Description

The LT3046 is a high-performance, low-dropout linear regulator featuring Analog Devices, Inc.

ultra-low noise and ultra-high PSRR architecture for powering noisesensitive applications.

Key Features

  • Ultra-Low RMS Noise: 0.8μVRMS (10Hz to 100kHz).
  • Ultra-Low Noise: 2.2nV/√Hz at 10kHz.
  • Ultra-Low 1/f Noise: 2.5μVP-P (0.1Hz to 10Hz).
  • Ultra-High PSRR: 82dB at 1MHz.
  • Output Current: 200mA.
  • Wide Input-Voltage Range: 2.2V to 20V.
  • Single Capacitor Improves Noise and PSRR.
  • SET Pin Current: 100μA, ±0.5% Initial Accuracy.
  • Single Resistor Programs Output Voltage.
  • Programmable Current Limit.
  • Low Dropout Voltage: 300mV.
  • Output-Voltage Range: 0.2V.

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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 LT3046 20V, 200mA, Ultra-Low Noise, Ultra-High PSRR, Linear Regulator FEATURES  Ultra-Low RMS Noise: 0.8μVRMS (10Hz to 100kHz)  Ultra-Low Noise: 2.2nV/√Hz at 10kHz  Ultra-Low 1/f Noise: 2.5μVP-P (0.1Hz to 10Hz)  Ultra-High PSRR: 82dB at 1MHz  Output Current: 200mA  Wide Input-Voltage Range: 2.2V to 20V  Single Capacitor Improves Noise and PSRR  SET Pin Current: 100μA, ±0.5% Initial Accuracy  Single Resistor Programs Output Voltage  Programmable Current Limit  Low Dropout Voltage: 300mV  Output-Voltage Range: 0.2V to 19V  Programmable Power Good  Fast Start-Up Capability  Precision Enable/UVLO  Parallelable for Lower Noise and Higher Current  Internal Current Limit with Foldback  Minimum Output Capacitor: 4.