Datasheet TLVH431B-EP (Texas Instruments) - 9
| Hersteller | Texas Instruments |
| Beschreibung | Enhanced-plastic 0.5% low-voltage wide-operating-current adjustable precision shunt regulator |
| Seiten / Seite | 29 / 9 — TLVH431B-EP. www.ti.com. Typical Characteristics (continued). 3.5. 18 k. … |
| Dateiformat / Größe | PDF / 1.3 Mb |
| Dokumentensprache | Englisch |
TLVH431B-EP. www.ti.com. Typical Characteristics (continued). 3.5. 18 k. Input. Output. V −. 2.5. e g. Pulse. lta o. Generator. f = 100 kHz. 1.5
Modelllinie für dieses Datenblatt
Textversion des Dokuments
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TLVH431B-EP www.ti.com
SLVSFF4 – DECEMBER 2019
Typical Characteristics (continued)
Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied.
3.5 18 k
Ω
Input Output 3 V − 2.5 Ik e g Pulse lta o 2 V Generator t 50
Ω
u f = 100 kHz tp 1.5 u Output O d n 1 a t u p In 0.5 GND 0 − 0.5 0 1 2 3 4 5 6 7 8 t − Time −
µ
s
R = 18 kΩ TA = 25°C
Figure 15. Pulse Response 1 Figure 16. Test Circuit for Pulse Response 1 3.5 1.8 k
Ω
Input Output 3 V − 2.5 IK e g Pulse lta o 2 V Generator t 50
Ω
u f = 100 kHz tp 1.5 u Output O d n 1 a t u p In 0.5 GND 0 − 0.5 0 1 2 3 4 5 6 7 8 t − Time −
µ
s
R = 1.8 kΩ TA = 25°C
Figure 17. Pulse Response 2 Figure 18. Test Circuit for Pulse Response 2 IK 30 k
W
IK 50
W
100 µF I C 2 L I1
VKA = VREF (1.25 V) TA = 25°C
Figure 19. Phase Margin Test Circuit Figure 20. Phase Margin vs Capacitive Load
Copyright © 2019, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TLVH431B-EP Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 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 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 8.4.1 Open Loop (Comparator) 8.4.2 Closed Loop 9 Applications and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Comparator With Integrated Reference (Open Loop) 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curves 9.2.2 Shunt Regulator/Reference 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Receiving Notification of Documentation Updates 12.3 Support Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, and Orderable Information
TLVH431B-EP www.ti.com
SLVSFF4 – DECEMBER 2019
Typical Characteristics (continued)
Operation of the device at these or any other conditions beyond those indicated in the Recommended Operating Conditions table are not implied.
3.5 18 k
Ω
Input Output 3 V − 2.5 Ik e g Pulse lta o 2 V Generator t 50
Ω
u f = 100 kHz tp 1.5 u Output O d n 1 a t u p In 0.5 GND 0 − 0.5 0 1 2 3 4 5 6 7 8 t − Time −
µ
s
R = 18 kΩ TA = 25°C
Figure 15. Pulse Response 1 Figure 16. Test Circuit for Pulse Response 1 3.5 1.8 k
Ω
Input Output 3 V − 2.5 IK e g Pulse lta o 2 V Generator t 50
Ω
u f = 100 kHz tp 1.5 u Output O d n 1 a t u p In 0.5 GND 0 − 0.5 0 1 2 3 4 5 6 7 8 t − Time −
µ
s
R = 1.8 kΩ TA = 25°C
Figure 17. Pulse Response 2 Figure 18. Test Circuit for Pulse Response 2 IK 30 k
W
IK 50
W
100 µF I C 2 L I1
VKA = VREF (1.25 V) TA = 25°C
Figure 19. Phase Margin Test Circuit Figure 20. Phase Margin vs Capacitive Load
Copyright © 2019, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TLVH431B-EP Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 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 8 Detailed Description 8.1 Overview 8.2 Functional Block Diagram 8.3 Feature Description 8.4 Device Functional Modes 8.4.1 Open Loop (Comparator) 8.4.2 Closed Loop 9 Applications and Implementation 9.1 Application Information 9.2 Typical Applications 9.2.1 Comparator With Integrated Reference (Open Loop) 9.2.1.1 Design Requirements 9.2.1.2 Detailed Design Procedure 9.2.1.3 Application Curves 9.2.2 Shunt Regulator/Reference 9.2.2.1 Design Requirements 9.2.2.2 Detailed Design Procedure 9.2.2.3 Application Curve 10 Power Supply Recommendations 11 Layout 11.1 Layout Guidelines 11.2 Layout Example 12 Device and Documentation Support 12.1 Documentation Support 12.1.1 Related Documentation 12.2 Receiving Notification of Documentation Updates 12.3 Support Resources 12.4 Trademarks 12.5 Electrostatic Discharge Caution 12.6 Glossary 13 Mechanical, Packaging, and Orderable Information