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TL431

Programmable Precision Reference

IK Semicon Co., Ltd 

Typical Performance Characteristics (Continued)

Stability Boundary Conditions

TL431

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 VZ and IZ conditions with CL = 0. V+ and CL 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

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