LP2957 Datasheet (PDF) Download
Texas Instruments
LP2957

Description

The LP2957 is a 5V micropower voltage regulator with electronic shutdown, error flag, very low quiescent current (150 µA typical at 1 mA load), and very low dropout voltage (470 mV typical at 250 mA load current).

Key Features

  • 2 5V Output within 1.4% Over Temperature (A Grade)
  • Easily Programmed for Snap-On/Snap-Off Output
  • Ensured 250 mA Output Current
  • Extremely Low Quiescent Current
  • Low Input-Output Voltage Required for
  • Reverse Battery Protection
  • Extremely Tight Line and Load Regulation
  • Very Low Temperature Coefficient
  • Current and Thermal Limiting
  • Error Flag Signals when Output is out of

Applications

  • High-Efficiency Linear Regulator