Datasheet ATL432LI (Texas Instruments) - 3
| 制造商 | Texas Instruments |
| 描述 | High-bandwidth, low-IQ programmable shunt regulator (pinout: RKA) |
| 页数 / 页 | 40 / 3 — ATL431LI. ATL432LI. www.ti.com. 5 Device Comparison Table. DEVICE PINOUT. … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
ATL431LI. ATL432LI. www.ti.com. 5 Device Comparison Table. DEVICE PINOUT. INITIAL ACCURACY. OPERATING FREE-AIR TEMPERATURE (TA)
文件文字版本
ATL431LI ATL432LI www.ti.com
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
5 Device Comparison Table DEVICE PINOUT INITIAL ACCURACY OPERATING FREE-AIR TEMPERATURE (TA)
ATL431LI A: 1% I: -40°C to 85°C ATL432LI B: 0.5% Q: -40°C to 125°C
6 Pin Configuration and Functions ATL431LI DBZ Package 3-Pin SOT-23 ATL431LI DQN Package Top View 4-Pin X2SON Top View
REF CATHODE CATHODE 1 3 ANODE 4 3 REF 2 Thermal
ATL432LI DBZ Package
Pad
3-Pin SOT-23 Top View
1 2 REF 1 ANODE NC 3 ANODE CATHODE 2
Pin Functions PIN NAME ATL431LIx ATL431LIx ATL432LIx TYPE DESCRIPTION DBZ DQN DBZ
ANODE 3 1 3 O Common pin, normally connected to ground CATHODE 1 3 2 I/O Shunt Current/Voltage input REF 2 4 1 I Threshold relative to common anode NC N/A 2 N/A — No internal connection Connect to ground or to a floating copper Thermal Pad N/A Available N/A — plane for mechanical stability. Copyright © 2017–2019, Texas Instruments Incorporated Submit Documentation Feedback 3 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
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
5 Device Comparison Table DEVICE PINOUT INITIAL ACCURACY OPERATING FREE-AIR TEMPERATURE (TA)
ATL431LI A: 1% I: -40°C to 85°C ATL432LI B: 0.5% Q: -40°C to 125°C
6 Pin Configuration and Functions ATL431LI DBZ Package 3-Pin SOT-23 ATL431LI DQN Package Top View 4-Pin X2SON Top View
REF CATHODE CATHODE 1 3 ANODE 4 3 REF 2 Thermal
ATL432LI DBZ Package
Pad
3-Pin SOT-23 Top View
1 2 REF 1 ANODE NC 3 ANODE CATHODE 2
Pin Functions PIN NAME ATL431LIx ATL431LIx ATL432LIx TYPE DESCRIPTION DBZ DQN DBZ
ANODE 3 1 3 O Common pin, normally connected to ground CATHODE 1 3 2 I/O Shunt Current/Voltage input REF 2 4 1 I Threshold relative to common anode NC N/A 2 N/A — No internal connection Connect to ground or to a floating copper Thermal Pad N/A Available N/A — plane for mechanical stability. Copyright © 2017–2019, Texas Instruments Incorporated Submit Documentation Feedback 3 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