TL431CPWR datasheet(22/83 Pages) TI

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10 Applications and Implementation

Note

Information in the following applications sections is not part of the TI component specification, and

TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining

suitability of components for their purposes. Customers should validate and test their design

implementation to confirm system functionality.

10.1 Application Information

As this device has many applications and setups, there are many situations that this datasheet can not

characterize in detail. The linked application notes will help the designer make the best choices when using

this part.

Application note Understanding Stability Boundary Conditions Charts in TL431, TL432 Data Sheet (SLVA482)

will provide a deeper understanding of this devices stability characteristics and aid the user in making the right

choices when choosing a load capacitor. Application note Setting the Shunt Voltage on an Adjustable Shunt

Regulator (SLVA445) assists designers in setting the shunt voltage to achieve optimum accuracy for this device.

10.2 Typical Applications

10.2.1 Comparator With Integrated Reference

2.5V

CATHODE

ANODE

REF

VIN

Vout

Vsup

Rsup

RIN

Figure 10-1. Comparator Application Schematic

TL431, TL432

SLVS543Q – AUGUST 2004 – REVISED JULY 2022

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TL431CPWR Datasheet(PDF) 22 Page - Texas Instruments