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LM431SB - Programmable Shunt Regulator

Download the LM431SB datasheet PDF. This datasheet also covers the LM431SA variant, as both devices belong to the same programmable shunt regulator family and are provided as variant models within a single manufacturer datasheet.

Description

The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range.

The output voltage can be set any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors.

Features

  • Programmable Output Voltage to 36 Volts.
  • Low Dynamic Output Impedance 0.20 Typical.
  • Sink Current Capability of 1.0 to 100mA.
  • Equivalent Full-Range Temperature Coefficient of 50ppm/°C Typical.
  • Temperature Compensated for Operation Over Full Rated Operating Temperature Range.
  • Low Output Noise Voltage.
  • Fast Turn-on Response.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM431SA_FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM431SB Programmable Shunt Regulator ON Semiconductor
LM431SA Programmable Shunt Regulator ON Semiconductor
LM431SC Programmable Shunt Regulator ON Semiconductor
LM431 Adjustable Precision Zener Shunt Regulator National Semiconductor
LM431 Adjustable precision shunt regulators NXP

Other Datasheets by Fairchild (onsemi)

Part Number Description
LM431SA Programmable Shunt Regulator
LM431SC Programmable Shunt Regulator
LM431 Programmable Shunt Regulator
LM431 Programmable Shunt Regulator
LM431A Programmable Shunt Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.fairchildsemi.com LM431SA/LM431SB/LM431SC Programmable Shunt Regulator Features • Programmable Output Voltage to 36 Volts • Low Dynamic Output Impedance 0.20 Typical • Sink Current Capability of 1.0 to 100mA • Equivalent Full-Range Temperature Coefficient of 50ppm/°C Typical • Temperature Compensated for Operation Over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn-on Response Description The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range. The output voltage can be set any value between VREF (approximately 2.5 volts) and 36 volts with two external resistors. These devices have a typical dynamic output impedance of 0.