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TPS7A91 - LDO Voltage Regulator

Description

The TPS7A91 is a low-noise (4.7 µVRMS), low-dropout (LDO) voltage regulator capable of sourcing 1 A with only 200 mV of maximum dropout.

The TPS7A91 output is adjustable with external resistors from 0.8 V to 5.2 V.

Features

  • 1 1.0% Accuracy Over Line, Load, and Temperature.
  • Low Output Noise: 4.7 µVRMS (10 Hz.
  • 100 kHz).
  • Low Dropout: 200 mV (max) at 1 A.
  • Wide Input Voltage Range: 1.4 V to 6.5 V.
  • Wide Output Voltage Range: 0.8 V to 5.2 V.
  • High Power-Supply Ripple Rejection (PSRR):.
  • 70 dB at DC.
  • 40 dB at 100 kHz.
  • 40 dB at 1 MHz.
  • Fast Transient Response.
  • Adjustable Start-Up In-Rush Control with Selectable Soft-Start.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS7A91 SBVS282 – DECEMBER 2016 TPS7A91 1-A, High-Accuracy, Low-Noise LDO Voltage Regulator 1 Features •1 1.0% Accuracy Over Line, Load, and Temperature • Low Output Noise: 4.7 µVRMS (10 Hz–100 kHz) • Low Dropout: 200 mV (max) at 1 A • Wide Input Voltage Range: 1.4 V to 6.5 V • Wide Output Voltage Range: 0.8 V to 5.2 V • High Power-Supply Ripple Rejection (PSRR): – 70 dB at DC – 40 dB at 100 kHz – 40 dB at 1 MHz • Fast Transient Response • Adjustable Start-Up In-Rush Control with Selectable Soft-Start Charging Current • Open-Drain Power-Good (PG) Output • 2.5-mm × 2.
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