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LP3985 Datasheet CMOS Voltage Regulator

Manufacturer: Texas Instruments

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General Description

The LP3985 is designed for portable and wireless applications with demanding performance and space requirements.

LP3985 performance is optimized for battery-powered systems to deliver ultra low noise, extremely low dropout voltage, and low quiescent current.

Regulator ground current increases only slightly in dropout, further prolonging the battery life.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LP3985 SNVS087AE – OCTOBER 2000 – REVISED MAY 2015 LP3985 Micropower, 150-mA Low-Noise Ultra-Low-Dropout CMOS Voltage Regulator.

Key Features

  • 1 Input Voltage: 2.5 V to 6 V.
  • 100-mV Maximum Dropout with 150-mA Load.
  • 150-mA Verified Output.
  • 50-dB PSRR at 1 kHz at VIN = VOUT + 0.2 V.
  • ≤ 1.5-μA Quiescent Current when Shut Down.
  • Fast Turn-On time: 200 μs (typ. ).
  • 30-μVRMS Output Noise (typical) over 10 Hz to 100 kHz.
  • 40°C to 125°C Junction Temperature Range for Operation.
  • 2.5-V, 2.6-V, 2.7-V, 2.8-V, 2.85-V, 2.9-V, 3-V, 3.1- V, 3.2-V, 3.3-V, 4.7-V, 4.75-V.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo LP3985 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator National Semiconductor

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