Datasheet TL431 (Nexperia) - 8

Nexperia TL431 family Adjustable precision shunt regulators Symbol Parameter Conditions Min Typ Max Unit
ΔIref reference current variation IK = 10 mA; R1 = 10 kΩ; R2 = open TL431ACDBZR Tamb = 0 °C to 70 °C - 0.4 1.2 μA TL431AIDBZR Tamb = -40 °C to 85 °C - 0.8 2.5 μA TL431AQDBZR Tamb = -40 °C to 125 °C TL431AFDT TL431AMFDT IK(min) minimum cathode current VKA = Vref TL431ACDBZR Tamb = 0 °C to 70 °C - 0.4 0.6 mA TL431AIDBZR Tamb = -40 °C to 85 °C TL431AQDBZR Tamb = -40 °C to 125 °C TL431AFDT TL431AMFDT Iof of -state current VKA = 36 V; Vref = 0 - 0.1 0.5 μA ZKA dynamic cathode-anode IK = 0.1 mA to 100 mA; - 0.2 0.5 Ω impedance VKA = Vref; f < 1 kHz B-Grade (0.5 %): TL431BCDBZR; TL431BIDBZR; TL431BFDT; TL431BMFDT Vref reference voltage VKA = Vref; IK = 10 mA 2483 2495 2507 mV ΔVref reference voltage variation VKA = Vref; IK = 10 mA TL431BCDBZR Tamb = 0 °C to 70 °C - 9 16 mV TL431BIDBZR Tamb = -40 °C to 85 °C - 17 34 mV TL431BQDBZR Tamb = -40 °C to 125 °C TL431BFDT TL431BMFDT ΔVref/ΔVKA reference voltage variation IK = 10 mA to cathode-anode voltage ΔVKA = 10 V to Vref - -1.4 -2.7 mV/V variation ratio ΔVKA = 36 V to 10 V - -1.0 -2.0 mV/V Iref reference current IK = 10 mA; - 2.0 4.0 μA R1 = 10 kΩ; R2 = open ΔIref reference current variation IK = 10 mA; R1 = 10 kΩ; R2 = open TL431BCDBZR Tamb = 0 °C to 70 °C - 0.4 1.2 μA TL431BIDBZR Tamb = -40 °C to 85 °C - 0.8 2.5 μA TL431BQDBZR Tamb = -40 °C to 125 °C TL431BFDT TL431BMFDT IK(min) minimum cathode current VKA = Vref TL431BCDBZR Tamb = 0 °C to 70 °C - 0.4 0.6 mA TL431BIDBZR Tamb = -40 °C to 85 °C TL431BQDBZR Tamb = -40 °C to 125 °C TL431BFDT TL431BMFDT Iof of -state current VKA = 36 V; Vref = 0 - 0.1 0.5 μA ZKA dynamic cathode-anode IK = 0.1 mA to 100 mA; - 0.2 0.5 Ω impedance VKA = Vref; f < 1 kHz 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 8 / 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