TL431
Typical Performance Characteristics
Stability Boundary Conditions
(Continued)
Note:
The areas under the curves represent conditions that may cause the
device to oscillate. For curves B, C, and D, R2 and V
+
were adjusted to
establish the initial V
Z
and I
Z
conditions with C
L
= 0. V
+
and C
L
were then
adjusted to determine the ranges of stability.
Test Circuit for Curve A Above
Test Circuit for Curves B, C and D Above
Typical Applications
Shunt Regulator
Single Supply Comparator with
Temperature Compensated Threshold
Rev. 00