Free Tool: TL431 Component Calculator


Description & Features

Technical Documents

Support & Training

Order Now

Order Now
Part Number Buy from Texas Instruments or Third Party Status

TL431 Component Calculator

Not Available ACTIVE


The spreadsheet calculates all component parameters for any desired output voltage for the TL431 family of devices. Includes limits for each device. Resistor values are calculated to the nearest 1% value.

User must have software capable of reading Microsoft Excel spreadsheets.

TI Devices (1)

Part Number Name Product Family
TL431  Adjustable Precision Shunt Regulator  Voltage Reference 

Support & Training

TI E2E Community

As a member of  myTI you can join the TI E2E™ Community  where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

Content is provided "AS IS" by the respective TI and Community contributors and does not constitute TI specifications. See  Terms of use.

Engage in the Community



Visit the TI Wiki