Datasheet TL432LI (Texas Instruments) - 2
| Manufacturer | Texas Instruments |
| Description | Adjustable precision shunt regulator with optimized reference current (pin layout: RKA) |
| Pages / Page | 35 / 2 — TL431LI. TL432LI. www.ti.com. Table of Contents. Features. Applications. … |
| File Format / Size | PDF / 968 Kb |
| Document Language | English |
TL431LI. TL432LI. www.ti.com. Table of Contents. Features. Applications. Description. Applications and Implementation. Revision History
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TL431LI TL432LI
SLVSDQ6A – JULY 2018 – REVISED NOVEMBER 2018
www.ti.com Table of Contents 1 Features
.. 1 9.3 Feature Description... 12
2 Applications
... 1 9.4 Device Functional Modes.. 12
3 Description
... 1
10 Applications and Implementation
.. 13
4 Revision History
... 2 10.1 Application Information.. 13
5 Device Comparison Table
... 3 10.2 Typical Applications .. 13 10.3 System Examples ... 21
6 Pin Configuration and Functions
... 3
11 Power Supply Recommendations
... 24
7 Specifications
... 4
12 Layout
... 24 7.1 Absolute Maximum Ratings .. 4 12.1 Layout Guidelines ... 24 7.2 ESD Ratings.. 4 12.2 Layout Example .. 25 7.3 Thermal Information .. 4 7.4 Recommended Operating Conditions ... 4
13 Device and Documentation Support
... 26 7.5 Electrical Characteristics... 5 13.1 Related Links .. 26 7.6 Typical Characteristics .. 6 13.2 Documentation Support .. 26
8 Parameter Measurement Information
.. 9 13.3 Receiving Notification of Documentation Updates 26 13.4 Community Resources.. 26 8.1 Temperature Coefficient.. 9 13.5 Trademarks ... 27 8.2 Dynamic Impedance ... 10 13.6 Electrostatic Discharge Caution .. 27
9 Detailed Description
.. 11 13.7 Glossary .. 27 9.1 Overview ... 11
14 Mechanical, Packaging, and Orderable
9.2 Functional Block Diagram ... 11
Information
... 27
4 Revision History Changes from Original (July 2018) to Revision A Page
• Changed TL43xLI status from Advance Information to Production Data release ... 1 2 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Product Folder Links: TL431LI TL432LI Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Thermal Information 7.4 Recommended Operating Conditions 7.5 Electrical Characteristics 7.6 Typical Characteristics 8 Parameter Measurement Information 8.1 Temperature Coefficient 8.2 Dynamic Impedance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.4 Device Functional Modes 9.4.1 Open Loop (Comparator) 9.4.2 Closed Loop 10 Applications and Implementation 10.1 Application Information 10.2 Typical Applications 10.2.1 Comparator With Integrated Reference 10.2.1.1 Design Requirements 10.2.1.2 Detailed Design Procedure 10.2.1.3 Application Curve 10.2.2 Precision Constant Current Sink 10.2.2.1 Design Requirements 10.2.2.2 Detailed Design Procedure 10.2.3 Shunt Regulator/Reference 10.2.3.1 Design Requirements 10.2.3.2 Detailed Design Procedure 10.2.3.3 Application Curve 10.2.4 Isolated Flyback with Optocoupler 10.2.4.1 Design Requirements 10.3 System Examples 11 Power Supply Recommendations 12 Layout 12.1 Layout Guidelines 12.2 Layout Example 13 Device and Documentation Support 13.1 Related Links 13.2 Documentation Support 13.2.1 Device Nomenclature 13.2.2 Related Documentation 13.3 Receiving Notification of Documentation Updates 13.4 Community Resources 13.5 Trademarks 13.6 Electrostatic Discharge Caution 13.7 Glossary 14 Mechanical, Packaging, and Orderable Information
TL431LI TL432LI
SLVSDQ6A – JULY 2018 – REVISED NOVEMBER 2018
www.ti.com Table of Contents 1 Features
.. 1 9.3 Feature Description... 12
2 Applications
... 1 9.4 Device Functional Modes.. 12
3 Description
... 1
10 Applications and Implementation
.. 13
4 Revision History
... 2 10.1 Application Information.. 13
5 Device Comparison Table
... 3 10.2 Typical Applications .. 13 10.3 System Examples ... 21
6 Pin Configuration and Functions
... 3
11 Power Supply Recommendations
... 24
7 Specifications
... 4
12 Layout
... 24 7.1 Absolute Maximum Ratings .. 4 12.1 Layout Guidelines ... 24 7.2 ESD Ratings.. 4 12.2 Layout Example .. 25 7.3 Thermal Information .. 4 7.4 Recommended Operating Conditions ... 4
13 Device and Documentation Support
... 26 7.5 Electrical Characteristics... 5 13.1 Related Links .. 26 7.6 Typical Characteristics .. 6 13.2 Documentation Support .. 26
8 Parameter Measurement Information
.. 9 13.3 Receiving Notification of Documentation Updates 26 13.4 Community Resources.. 26 8.1 Temperature Coefficient.. 9 13.5 Trademarks ... 27 8.2 Dynamic Impedance ... 10 13.6 Electrostatic Discharge Caution .. 27
9 Detailed Description
.. 11 13.7 Glossary .. 27 9.1 Overview ... 11
14 Mechanical, Packaging, and Orderable
9.2 Functional Block Diagram ... 11
Information
... 27
4 Revision History Changes from Original (July 2018) to Revision A Page
• Changed TL43xLI status from Advance Information to Production Data release ... 1 2 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated Product Folder Links: TL431LI TL432LI Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Thermal Information 7.4 Recommended Operating Conditions 7.5 Electrical Characteristics 7.6 Typical Characteristics 8 Parameter Measurement Information 8.1 Temperature Coefficient 8.2 Dynamic Impedance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.4 Device Functional Modes 9.4.1 Open Loop (Comparator) 9.4.2 Closed Loop 10 Applications and Implementation 10.1 Application Information 10.2 Typical Applications 10.2.1 Comparator With Integrated Reference 10.2.1.1 Design Requirements 10.2.1.2 Detailed Design Procedure 10.2.1.3 Application Curve 10.2.2 Precision Constant Current Sink 10.2.2.1 Design Requirements 10.2.2.2 Detailed Design Procedure 10.2.3 Shunt Regulator/Reference 10.2.3.1 Design Requirements 10.2.3.2 Detailed Design Procedure 10.2.3.3 Application Curve 10.2.4 Isolated Flyback with Optocoupler 10.2.4.1 Design Requirements 10.3 System Examples 11 Power Supply Recommendations 12 Layout 12.1 Layout Guidelines 12.2 Layout Example 13 Device and Documentation Support 13.1 Related Links 13.2 Documentation Support 13.2.1 Device Nomenclature 13.2.2 Related Documentation 13.3 Receiving Notification of Documentation Updates 13.4 Community Resources 13.5 Trademarks 13.6 Electrostatic Discharge Caution 13.7 Glossary 14 Mechanical, Packaging, and Orderable Information
