Datasheet TL431 (Nexperia) - 6

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Nexperia TL431 family Adjustable precision shunt regulators 10. Recommended operating conditions Table 8. Operating conditions Symbol Parameter Conditions Min Max Unit
VKA cathode-anode voltage Vref 36 V IK cathode current 1 100 mA
11. Thermal characteristics Table 9. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit
Rth(j-a) thermal resistance from in free air [1] - - 360 K/W junction to ambient [2] - - 216 K/W [3] - - 132 K/W Rth(j-sp) thermal resistance from [4] - - 50 K/W junction to solder point [1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint. [2] Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for anode 1 cm2. [3] Device mounted on a ceramic PCB, Al2O3, standard footprint. [4] Soldering point of anode. TL431_FAM All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2024. Al rights reserved
Product data sheet Rev. 7 — 30 April 2024 6 / 19
Document Outline 1. General description 2. Features and benefits 3. Applications 4. Quick reference data 5. Pinning information 6. Ordering information 7. Marking 8. Functional diagram 9. Limiting values 10. Recommended operating conditions 11. Thermal characteristics 12. Characteristics 13. Application information 14. Test information 15. Package outline 16. Soldering 17. Revision history 18. Legal information Contents