Datasheet
Table Of Contents
- 1 Schematic diagrams
- 2 Absolute maximum ratings and operating conditions
- 3 Electrical characteristics
- Table 3. Electrical characteristics for TL1431C, TL1431AC
- Table 4. Electrical characteristics for TL1431I, TL1431AI
- Table 5. Electrical characteristics for TL1431IY, TL1431AIY
- Figure 4. Test circuit VKA = VREF
- Figure 5. Test circuit for VKA > VREF
- Figure 6. Test circuit for IOFF
- Figure 7. Test circuit for phase margin and voltage gain
- Figure 8. Test circuit for response time
- Figure 9. Reference voltage vs. temperature
- Figure 10. Reference voltage vs. cathode current
- Figure 11. Reference voltage vs. cathode current (IK = 0 to 1 mA)
- Figure 12. Reference current vs. temperature
- Figure 13. Off-state cathode current vs. temperature
- Figure 14. Ratio of change in VREF to change in VKA vs. temperature
- Figure 15. Drift of RKA vs. temperature
- Figure 16. Maximum operating current vs. temperature
- Figure 17. Gain and phase vs. frequency
- Figure 18. Stability behavior with capacitive loads
- Figure 19. Maximum power dissipation
- Figure 20. Pulse response for IK = 1 mA
- 4 Parameter definitions
- 5 Package mechanical data
- Figure 23. SO-8 batwing package mechanical drawing
- Table 6. SO-8 batwing package mechanical data
- Figure 24. TO-92 ammopack and tape and reel package mechanical drawing
- Table 7. TO-92 ammopack and tape and reel package mechanical data
- Figure 25. TO-92 bulk package mechanical drawing
- Table 8. TO-92 bulk package mechanical data
- 6 Ordering information
- 7 Revision history

TL1431 Revision history
Doc ID 5286 Rev 5 17/18
7 Revision history
Table 10. Document revision history
Date Revision Changes
01-Mar-2002 1 Initial release.
01-Nov-2005 2
PPAP references inserted in the datasheet see
Table 9: Order codes on
page 16
.
25-Apr-2007 3
Minimum value for temperature range updated in
Table 2: Operating
conditions
.
Minimum values added and maximum values deleted for
parameter in
Table 4
in
Section 3: Electrical characteristics
.
Package information for TO92 tape and reel updated, see
Section 5:
Package mechanical data
.
Format update.
11-Mar-2008 4
Corrected SO-8 package mechanical data.
Corrected footnote for automotive grade order codes in order code
table.
Corrected packing information for TO92 devices in order code table.
11-Sep-2012 5
Added: feature
Automotive temp. range - 40 °C to +125 °C on page 1
.
Updated:
Table 9 on page 16
.
ΔVref
ΔVka
----------------