Datasheet Summary
TL431 family
Adjustable precision shunt regulators
Rev. 8
- 3 September 2025
Product data sheet
1. General description
Three-terminal shunt regulator family with an output voltage range between Vref = 2.495 V and 36 V, to be set by two external resistors.
Table 1. Product overview
Reference voltage Temperature range (Tamb) tolerance (Vref)
0 °C to 70 °C
-40 °C to 85 °C
2.0 %
TL431CDBZR
TL431IDBZR
1.0 %
TL431ACDBZR
TL431AIDBZR
0.5 %
TL431BCDBZR
TL431BIDBZR
-40 °C to 125 °C TL431QDBZR TL431FDT TL431MFDT TL431AQDBZR TL431AFDT TL431AMFDT TL431BQDBZR TL431BFDT TL431BMFDT
Pinning configuration (see Table 5.) normal pinning normal pinning mirrored pinning normal pinning normal...
