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LP5951 - Low-Dropout CMOS Voltage Regulator

General Description

The LP5951 regulator is designed to meet the requirements of portable battery-powered systems providing a regulated output voltage and low quiescent current.

When switched to shutdown mode via a logic signal at the Enable (EN) pin, the power consumption is reduced to virtually zero.

Key Features

  • 1 Input Voltage Range: 1.8 V to 5.5 V.
  • Output Voltage Range: 1.3 V to 3.7 V.
  • Excellent Line Transient Response: ±2 mV (typical).
  • Excellent PSRR:.
  • 60 dB at 1 kHz typical.
  • Low Quiescent Current of 29 µA typical.
  • Small SC70-5 and SOT-23-5 Packages.
  • Fast Turnon Time of 30 µs typ.
  • Typical < 1 nA Quiescent Current in Shutdown.
  • Ensured 150-mA Output Current.
  • Logic Controlled Enable 0.4 V/0.9 V.
  • G.

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Brand Logo Part Number Description Manufacturer
National Semiconductor Logo LP5951 150mA Low-Dropout CMOS Voltage Regulator National Semiconductor

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Full PDF Text Transcription for LP5951 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LP5951. For precise diagrams, tables, and layout, please refer to the original PDF.

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP5951 SNVS345G – JUNE 2006 – REVISED DECEMBER 2014 LP5951 Micropower, 150-mA Low-Dro...

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– JUNE 2006 – REVISED DECEMBER 2014 LP5951 Micropower, 150-mA Low-Dropout CMOS Voltage Regulator 1 Features •1 Input Voltage Range: 1.8 V to 5.5 V • Output Voltage Range: 1.3 V to 3.7 V • Excellent Line Transient Response: ±2 mV (typical) • Excellent PSRR: –60 dB at 1 kHz typical • Low Quiescent Current of 29 µA typical • Small SC70-5 and SOT-23-5 Packages • Fast Turnon Time of 30 µs typ. • Typical < 1 nA Quiescent Current in Shutdown • Ensured 150-mA Output Current • Logic Controlled Enable 0.4 V/0.