Datasheet TL431 (Nexperia)

TL431 family Adjustable precision shunt regulators Rev. 7 — 30 April 2024 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) Pinning configuration tolerance (Vref) 0 °C to 70 °C -40 °C to 85 °C -40 °C to 125 °C (see Table 5.)
2.0 % TL431CDBZR TL431IDBZR TL431QDBZR normal pinning TL431FDT normal pinning TL431MFDT mirrored pinning 1.0 % TL431ACDBZR TL431AIDBZR TL431AQDBZR normal pinning TL431AFDT normal pinning TL431AMFDT mirrored pinning 0.5 % TL431BCDBZR TL431BIDBZR TL431BQDBZR normal pinning TL431BFDT normal pinning TL431BMFDT mirrored pinning
2. Features and benefits
• Programmable output voltage up to 36 V • Three dif erent reference voltage tolerances: • • Standard grade: 2 % • A-Grade: 1 % • B-Grade: 0.5 % • Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C) • Low output noise • Typical output impedance: 0.2 Ω • Sink current capability: 1 mA to 100 mA • AEC-Q100 qualified (grade 1) 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