LM3940 Datasheet (PDF) Download
Texas Instruments
LM3940

Description

The LM3940 is a 1-A low-dropout regulator designed to provide 3.3 V from a 5-V supply. The LM3940 is ideally suited for systems which contain both 5-V and 3.3-V logic, with prime power provided from a 5-V bus.

Key Features

  • 1 Input Voltage Range: 4.5 V to 5.5 V
  • Output Voltage Specified over Temperature
  • Excellent Load Regulation
  • Specified 1-A Output Current
  • Requires only One External ponent
  • Built-in Protection against Excess Temperature
  • Short-Circuit Protected