Datasheet ATL432LI (Texas Instruments) - 7
| 制造商 | Texas Instruments |
| 描述 | High-bandwidth, low-IQ programmable shunt regulator (pinout: RKA) |
| 页数 / 页 | 40 / 7 — ATL431LI. ATL432LI. www.ti.com. Typical Characteristics (continued). … |
| 文件格式/大小 | PDF / 1.4 Mb |
| 文件语言 | 英语 |
ATL431LI. ATL432LI. www.ti.com. Typical Characteristics (continued). Figure 7. Small-Signal Voltage Amplification
文件文字版本
ATL431LI ATL432LI www.ti.com
SLVSDU6D – JULY 2017 – REVISED NOVEMBER 2019
Typical Characteristics (continued)
75 200 IKA = 10 mA - dB TA = 25°C on ti 60 160 ica lif mp A 45 120 Output q IKA oltage 15 kΩ 232 Ω Phase - 30 80 al V gn 9 µF 15 40 + AV - Small-Si V Phase A 0 0 − 100 1k 10k 100k 1M 10M 8.25 kΩ f - Frequency - Hz D000 GND
Figure 7. Small-Signal Voltage Amplification Figure 8. Test Circuit for Voltage Amplification vs Frequency
100 1 kΩ I Output 50 KA = 1 mA TA = 25°C 30 20 IKA ance - Ohms 10 50 Ω ped 5 − 3 2 nce Im + 1 GND 0.5 | - Refere A 0.3 K|Z 0.2 0.1 1k 10k 100k 1M f - Frequency - Hz
Figure 9. Reference Impedance vs Frequency Figure 10. Test Circuit for Reference Impedance
6 220 Ω T Input A = 25qC Output 5 - V ge 4 Pulse olta Generator 50 Ω t V pu 3 Output f = 100 kHz d Out 2 ut an GND Inp 1 0 -1 0 1 2 3 4 5 6 7 t - Time - Ps puls
Figure 11. Pulse Response Figure 12. Test Circuit for Pulse Response
Copyright © 2017–2019, Texas Instruments Incorporated Submit Documentation Feedback 7 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
Typical Characteristics (continued)
75 200 IKA = 10 mA - dB TA = 25°C on ti 60 160 ica lif mp A 45 120 Output q IKA oltage 15 kΩ 232 Ω Phase - 30 80 al V gn 9 µF 15 40 + AV - Small-Si V Phase A 0 0 − 100 1k 10k 100k 1M 10M 8.25 kΩ f - Frequency - Hz D000 GND
Figure 7. Small-Signal Voltage Amplification Figure 8. Test Circuit for Voltage Amplification vs Frequency
100 1 kΩ I Output 50 KA = 1 mA TA = 25°C 30 20 IKA ance - Ohms 10 50 Ω ped 5 − 3 2 nce Im + 1 GND 0.5 | - Refere A 0.3 K|Z 0.2 0.1 1k 10k 100k 1M f - Frequency - Hz
Figure 9. Reference Impedance vs Frequency Figure 10. Test Circuit for Reference Impedance
6 220 Ω T Input A = 25qC Output 5 - V ge 4 Pulse olta Generator 50 Ω t V pu 3 Output f = 100 kHz d Out 2 ut an GND Inp 1 0 -1 0 1 2 3 4 5 6 7 t - Time - Ps puls
Figure 11. Pulse Response Figure 12. Test Circuit for Pulse Response
Copyright © 2017–2019, Texas Instruments Incorporated Submit Documentation Feedback 7 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