Adjustable/2.5V, 2% Tolerance Shunt Regulator

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 0.2W. Active output circuit provides a sharp turn-on characteristic, making these devices excellent replacement for Zener Diodes in many applications.
By Fairchild Semiconductor
LM431SA 's PackagesLM431SA 's pdf datasheet

LM431SA Pinout, Pinouts
LM431SA pinout,Pin out
This is one package pinout of LM431SA,If you need more pinouts please download LM431SA's pdf datasheet.

LM431SA Application circuits
LM431SA circuits
This is one application circuit of LM431SA,If you need more circuits,please download LM431SA's pdf datasheet.

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