Datasheet TL431, TL432 (STMicroelectronics) - 18

Ordering information TL431, TL432 5 Ordering information Table 12. Order codes Order code Accuracy (%) Temperature range Package Packing Marking
TL431CD 2 431C TL431CDT Tube or SO-8 Tape and reel TL431ACD 1 431AC TL431ACDT TL431CZ TL431CZT 2 TL431C TL431CZ-AP Bulk or TO-92 Tape or TL431ACZ Ammopack TL431ACZT 1 0 °C to +70 °C TL431AC TL431ACZ-AP TL431CL3T 2 L19 SOT23-3 TL431ACL3T 1 L18 TL431CL5T 2 L19 SOT23-5 Tape TL431ACL5T 1 L18 TL431CCT 2 31C SOT323-6 TL431ACCT 1 31C TL431ID 2 431I TL431IDT Tube or SO-8 tape and reel TL431AID 1 431AI TL431AIDT TL431IZ TL431IZT 2 TL431I TL431IZ-AP Bulk or TO-92 Tape or TL431AIZ Ammopack TL431AIZT 1 TL431AI TL431AIZ-AP -40 °C to + 105 °C TL431IL3T 2 L17 SOT23-3 TL431AIL3T 1 L16 TL432IL3T 2 32I SOT23-3 TL432AIL3T 1 32AI Tape TL431IL5T 2 L17 SOT23-5 TL431AIL5T 1 L16 TL431ICT 2 31I SOT323-6 TL431AICT 1 31I 18/21 DocID4467 Rev 12 Document Outline 1 Schematic diagrams Figure 1. TO-92 pin connections (top view) Figure 2. SO-8 batwing pin connections (top view) Figure 3. SOT23-5 and SOT23-3 pin connections (top view) Figure 4. SOT323-6 pin connections (top view) Figure 5. TL431 and TL432 block diagram 2 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Table 2. Operating conditions 3 Electrical characteristics Table 3. TL431C (Tamb = 25 °C unless otherwise specified) Table 4. TL431I/TL432I (Tamb = 25 °C unless otherwise specified) Table 5. TL431IY (Tamb = 25 °C unless otherwise specified) Reference input voltage deviation overtemperature range Figure 6. Reference input voltage deviation overtemperature range Figure 7. Test circuit for VKA = Vref Figure 8. Test circuit for programming mode Figure 9. Test circuit for Ioff Figure 10. Test circuit for phase margin and voltage gain Figure 11. Test circuit for response time Figure 12. Reference voltage vs. temperature Figure 13. Reference voltage vs. cathode current Figure 14. Zoom on reference voltage vs. cathode current Figure 15. Reference current vs. temperature Figure 16. Off-state cathode current vs. temperature Figure 17. Ratio of change in Vref to change in VKA vs. temperature Figure 18. Static impedance RKA vs. temperature Figure 19. Minimum operating current vs. temperature Figure 20. Gain and phase vs. frequency Figure 21. Stability behavior with capacitive loads Figure 22. Maximum power dissipation Figure 23. Pulse response for Ik = 1 mA 4 Package information 4.1 SO-8 package information Figure 24. SO-8 package outline Table 6. SO-8 package mechanical data 4.2 TO-92 ammopack and tape and reel package information Figure 25. TO-92 ammopack and tape and reel package outline Table 7. TO-92 ammopack and tape and reel package mechanical data 4.3 TO-92 (bulk) package information Figure 26. TO-92 bulk package outline Table 8. TO-92 bulk package mechanical data 4.4 SOT23-3 package information Figure 27. SOT23-3 package outline Table 9. SOT23-3 package mechanical data 4.5 SOT23-5 package information Figure 28. SOT23-5 package outline Table 10. SOT23-5 package mechanical data 4.6 SOT323-6 package information Figure 29. SOT323-6 package outline Table 11. SOT323-6 package mechanical data 5 Ordering information Table 12. Order codes 6 Revision history Table 13. Document revision history