TL431/TL431A/TL431B

PRODUCT DA T ABOOK 1996/1997

Copyright © 1999

Rev. 1.3

9/99

4

Characteristic Curves

FIGURE #

1.

REFERENCE INPUT VOLTAGE vs. FREE-AIR TEMPERATURE

2.

REFERENCE INPUT CURRENT vs. FREE-AIR TEMPERATURE

3.

CATHODE CURRENT vs. CATHODE VOLTAGE

4.

CATHODE CURRENT vs. CATHODE VOLTAGE

5.

OFF-STATE CATHODE CURRENT vs. FREE-AIR TEMPERATURE

6.

RATIO OF DELTA REFERENCE VOLTAGE TO DELTA CATHODE

VOLTAGE vs. FREE-AIR TEMPERATURE

7.

EQUIVALENT INPUT NOISE VOLTAGE vs. FREQUENCY

GRAPH / CURVE INDEX

FIGURE INDEX

Parameter Measurement Information

FIGURE #

8.

TEST CIRCUIT FOR V

9.

TEST CIRCUIT FOR V

10. TEST CIRCUIT FOR I

OFF

Typical Characteristics

FIGURE #

11. EQUIVALENT INPUT NOISE VOLTAGE OVER A 10-SECOND PERIOD

12. SMALL-SIGNAL VOLTAGE AMPLIFICATION vs. FREQUENCY

13. REFERENCE IMPEDANCE vs. FREQUENCY

14. PULSE RESPONSE

15. STABILITY BOUNDARY CONDITIONS

Application Information

FIGURE #

16. SHUNT REGULATOR

17. SINGLE-SUPPLY COMPARATOR WITH TEMPERATURE-COMPENSATED

THRESHOLD

18. HIGH CURRENT SHUNT REGULATOR

19. CROWBAR CIRCUIT

20. VOLTAGE MONITOR

21. PRECISION CONSTANT-CURRENT SINK