LM431 Datasheet (PDF) Download
Texas Instruments
LM431

Description

The LM431 is a 3-terminal adjustable shunt regulator with ensured temperature stability over the entire temperature range of operation. The output voltage may be set at any level greater than 2.5 V (VREF) up to 36 V merely by selecting two external resistors that act as a voltage divided network.

Key Features

  • 1 Average Temperature Coefficient 50 ppm/°C
  • Temperature Compensated for Operation Over the Full Temperature Range
  • Programmable Output Voltage
  • Fast Turnon Response
  • Low-Output Noise
  • Low-Dynamic Output Impedance
  • Available in Space-Saving SOIC-8, SOT-23, and TO-92 Packages