Datasheet ATL432LI (Texas Instruments) - 2
| Manufacturer | Texas Instruments |
| Description | High-bandwidth, low-IQ programmable shunt regulator (pinout: RKA) |
| Pages / Page | 40 / 2 — ATL431LI. ATL432LI. www.ti.com. Table of Contents. Features. … |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
ATL431LI. ATL432LI. www.ti.com. Table of Contents. Features. Applications. Applications and Implementation. Description
Text Version of Document
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ATL431LI ATL432LI
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
www.ti.com Table of Contents 1 Features
.. 1 10.4 Device Functional Modes.. 12
2 Applications
... 1
11 Applications and Implementation
.. 13
3 Description
... 1 11.1 Application Information.. 13
4 Revision History
... 2 11.2 Typical Applications .. 13
5 Device Comparison Table
... 3 11.3 System Examples ... 21
6 Pin Configuration and Functions
... 3
12 Power Supply Recommendations
... 25
7 Specifications
... 4
13 Layout
... 25 13.1 Layout Guidelines ... 25 7.1 Absolute Maximum Ratings .. 4 13.2 SOT23-3 Layout Example... 25 7.2 ESD Ratings.. 4 13.3 X2SON (DQN) Layout Example.. 25 7.3 Thermal Information .. 4 13.4 Thermal Considerations .. 26 7.4 Recommended Operating Conditions ... 4 7.5 Electrical Characteristics... 5
14 Device and Documentation Support
... 27
8 Typical Characteristics
.. 6 14.1 Documentation Support .. 27 14.2 Related Links .. 27
9 Parameter Measurement Information
.. 9 14.3 Receiving Notification of Documentation Updates 27 9.1 Temperature Coefficient.. 9 14.4 Community Resources.. 27 9.2 Dynamic Impedance ... 10 14.5 Trademarks ... 27
10 Detailed Description
... 11 14.6 Electrostatic Discharge Caution .. 27 10.1 Overview ... 11 14.7 Glossary .. 28 10.2 Functional Block Diagram ... 11
15 Mechanical, Packaging, and Orderable
10.3 Feature Description... 12
Information
... 28
4 Revision History Changes from Revision C (August 2019) to Revision D Page
• Changed typical graph to match Electrical Characteristics ... 6 • Added X2SON (DQN) Layout Example ... 25 • Added Thermal Considerations .. 26
Changes from Revision B (November 2018) to Revision C Page
• Changed Imin description to match Electrical Characteristics ... 1 • Added X2SON package option .. 1 • Added X2SON pinout and specifications.. 3
Changes from Revision A (October 2018) to Revision B Page
• Changed ATL43xLI from Product Preview to Production Data. ... 1
Changes from Original (July 2018) to Revision A Page
• Initial release of full version ... 1 • Changed Stability Boundary Conditions for All ATL431, ATL432 Devices Above 1 mA graph ... 7 • Added Stability Boundary Conditions for All ATL431, ATL432 Devices Below 1 mA graph ... 7 • Added Test Circuit for Stability Boundary Conditions image ... 7 2 Submit Documentation Feedback Copyright © 2017–2019, Texas Instruments Incorporated Product Folder Links: ATL431LI ATL432LI 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 8 Typical Characteristics 9 Parameter Measurement Information 9.1 Temperature Coefficient 9.2 Dynamic Impedance 10 Detailed Description 10.1 Overview 10.2 Functional Block Diagram 10.3 Feature Description 10.4 Device Functional Modes 10.4.1 Open Loop (Comparator) 10.4.2 Closed Loop 11 Applications and Implementation 11.1 Application Information 11.2 Typical Applications 11.2.1 Comparator With Integrated Reference 11.2.1.1 Design Requirements 11.2.1.2 Detailed Design Procedure 11.2.1.3 Application Curve 11.2.2 Precision Constant Current Sink 11.2.2.1 Design Requirements 11.2.2.2 Detailed Design Procedure 11.2.3 Shunt Regulator/Reference 11.2.3.1 Design Requirements 11.2.3.2 Detailed Design Procedure 11.2.3.3 Application Curve 11.2.4 Isolated Flyback with Optocoupler 11.2.4.1 Design Requirements 11.3 System Examples 12 Power Supply Recommendations 13 Layout 13.1 Layout Guidelines 13.2 SOT23-3 Layout Example 13.3 X2SON (DQN) Layout Example 13.4 Thermal Considerations 14 Device and Documentation Support 14.1 Documentation Support 14.1.1 Device Nomenclature 14.1.2 Related Documentation 14.2 Related Links 14.3 Receiving Notification of Documentation Updates 14.4 Community Resources 14.5 Trademarks 14.6 Electrostatic Discharge Caution 14.7 Glossary 15 Mechanical, Packaging, and Orderable Information
ATL431LI ATL432LI
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
www.ti.com Table of Contents 1 Features
.. 1 10.4 Device Functional Modes.. 12
2 Applications
... 1
11 Applications and Implementation
.. 13
3 Description
... 1 11.1 Application Information.. 13
4 Revision History
... 2 11.2 Typical Applications .. 13
5 Device Comparison Table
... 3 11.3 System Examples ... 21
6 Pin Configuration and Functions
... 3
12 Power Supply Recommendations
... 25
7 Specifications
... 4
13 Layout
... 25 13.1 Layout Guidelines ... 25 7.1 Absolute Maximum Ratings .. 4 13.2 SOT23-3 Layout Example... 25 7.2 ESD Ratings.. 4 13.3 X2SON (DQN) Layout Example.. 25 7.3 Thermal Information .. 4 13.4 Thermal Considerations .. 26 7.4 Recommended Operating Conditions ... 4 7.5 Electrical Characteristics... 5
14 Device and Documentation Support
... 27
8 Typical Characteristics
.. 6 14.1 Documentation Support .. 27 14.2 Related Links .. 27
9 Parameter Measurement Information
.. 9 14.3 Receiving Notification of Documentation Updates 27 9.1 Temperature Coefficient.. 9 14.4 Community Resources.. 27 9.2 Dynamic Impedance ... 10 14.5 Trademarks ... 27
10 Detailed Description
... 11 14.6 Electrostatic Discharge Caution .. 27 10.1 Overview ... 11 14.7 Glossary .. 28 10.2 Functional Block Diagram ... 11
15 Mechanical, Packaging, and Orderable
10.3 Feature Description... 12
Information
... 28
4 Revision History Changes from Revision C (August 2019) to Revision D Page
• Changed typical graph to match Electrical Characteristics ... 6 • Added X2SON (DQN) Layout Example ... 25 • Added Thermal Considerations .. 26
Changes from Revision B (November 2018) to Revision C Page
• Changed Imin description to match Electrical Characteristics ... 1 • Added X2SON package option .. 1 • Added X2SON pinout and specifications.. 3
Changes from Revision A (October 2018) to Revision B Page
• Changed ATL43xLI from Product Preview to Production Data. ... 1
Changes from Original (July 2018) to Revision A Page
• Initial release of full version ... 1 • Changed Stability Boundary Conditions for All ATL431, ATL432 Devices Above 1 mA graph ... 7 • Added Stability Boundary Conditions for All ATL431, ATL432 Devices Below 1 mA graph ... 7 • Added Test Circuit for Stability Boundary Conditions image ... 7 2 Submit Documentation Feedback Copyright © 2017–2019, Texas Instruments Incorporated Product Folder Links: ATL431LI ATL432LI 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 8 Typical Characteristics 9 Parameter Measurement Information 9.1 Temperature Coefficient 9.2 Dynamic Impedance 10 Detailed Description 10.1 Overview 10.2 Functional Block Diagram 10.3 Feature Description 10.4 Device Functional Modes 10.4.1 Open Loop (Comparator) 10.4.2 Closed Loop 11 Applications and Implementation 11.1 Application Information 11.2 Typical Applications 11.2.1 Comparator With Integrated Reference 11.2.1.1 Design Requirements 11.2.1.2 Detailed Design Procedure 11.2.1.3 Application Curve 11.2.2 Precision Constant Current Sink 11.2.2.1 Design Requirements 11.2.2.2 Detailed Design Procedure 11.2.3 Shunt Regulator/Reference 11.2.3.1 Design Requirements 11.2.3.2 Detailed Design Procedure 11.2.3.3 Application Curve 11.2.4 Isolated Flyback with Optocoupler 11.2.4.1 Design Requirements 11.3 System Examples 12 Power Supply Recommendations 13 Layout 13.1 Layout Guidelines 13.2 SOT23-3 Layout Example 13.3 X2SON (DQN) Layout Example 13.4 Thermal Considerations 14 Device and Documentation Support 14.1 Documentation Support 14.1.1 Device Nomenclature 14.1.2 Related Documentation 14.2 Related Links 14.3 Receiving Notification of Documentation Updates 14.4 Community Resources 14.5 Trademarks 14.6 Electrostatic Discharge Caution 14.7 Glossary 15 Mechanical, Packaging, and Orderable Information
