Datasheet TLA432 (Texas Instruments) - 8

TLA431, TLA432
SNVSCR4A – JULY 2024 – REVISED OCTOBER 2024
www.ti.com
100 150 Ω V 90 KA = Vref V I KA = 5 V KA A 80 VKA = 10 V + V V KA = 15 V CL BATT 70 − urrent - m 60 50 Stable TEST CIRCUIT FOR CURVE A 40 athode C - C 30 I A KA I K 20 R1 = 10 kΩ 150 Ω 10 CL + 0 R2 VBATT 0.001 0.01 0.1 0.2 0.5 1 2 3 5 10 − CL - Load Capacitance - F
Figure 6-11. Stability Boundary Conditions
TEST CIRCUIT FOR CURVES B, C, AND D
Figure 6-12. Test Circuit for Stability Boundary Conditions
8 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TLA431 TLA432 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Device Comparison Table 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 Electrical Characteristics 6.6 Typical Characteristics 7 Parameter Measurement Information 7.1 Temperature Coefficient 7.2 Dynamic Impedance 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 8.4.1 Closed Loop 8.4.1.1 Stability (Closed Loop) 8.4.2 Open Loop (Comparator) 9 Applications and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Shunt Regulator/Reference 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.2.1 Programming Output/Cathode Voltage 9.2.1.2.2 Total Accuracy 9.2.1.2.3 Start-Up Time 9.2.1.3 Application Curve 9.2.2 Comparator With Integrated Reference 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.2.1 Basic Operation 9.2.2.2.1.1 Overdrive 9.2.2.2.2 Output Voltage and Logic Input Level 9.2.2.2.2.1 Input Resistance 9.2.2.3 Application Curve 9.3 System Examples 9.4 Power Supply Recommendations 9.5 Layout 9.5.1 Layout Guidelines 9.5.2 Layout Example 10 Device and Documentation Support 10.1 Device Nomenclature 10.2 Related Links 10.3 Receiving Notification of Documentation Updates 10.4 Support Resources 10.5 Trademarks 10.6 Electrostatic Discharge Caution 10.7 Glossary 11 Revision History 12 Mechanical, Packaging, and Orderable Information