Datasheet REF2025, REF2030, REF2033, REF2041 (Texas Instruments) - 10
| Manufacturer | Texas Instruments |
| Description | Low-Drift, Low-Power, Dual-Output, VREF and VREF / 2 Voltage References |
| Pages / Page | 35 / 10 — REF2025. , REF2030, REF2033, REF2041. www.ti.com. 7.6 Typical … |
| File Format / Size | PDF / 3.9 Mb |
| Document Language | English |
REF2025. , REF2030, REF2033, REF2041. www.ti.com. 7.6 Typical Characteristics (continued). Figure 7-25. Load Transient Response
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REF2025 , REF2030, REF2033, REF2041
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022
www.ti.com 7.6 Typical Characteristics (continued)
At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted. +20 mA +20 mA +1 mA +1 mA 2 mA/div 40 mA/div -20 mA - 1 mA V VREF REF 20 mV/div 40 mV/div Time (500 µs/div) Time (500 µs/div) C037 C031 CL = 10 µF IL = ±1-mA step CL = 1 µF IL = ±20-mA step
Figure 7-25. Load Transient Response Figure 7-26. Load Transient Response
400 125°C +20 mA +20 m A ) 40 mA/div 300 V -20 mA 25°C (m e g ±40°C lta o 200 V t V REF u 40 mV/div o p ro D 100 0 Time (500 µs/div) ±30 ±20 ±10 0 10 20 30 Load Current (mA) C036 C005 CL = 10 µF IL = ±20-mA step
Figure 7-28. Minimum Dropout Voltage vs Load Current Figure 7-27. Load Transient Response
VIN VIN 2 V/div 2 V/div V V REF REF Time (100 µs/div) Time (100 µs/div) C033 C034 CL = 1 µF CL = 10 µF
Figure 7-29. Turn-On Settling Time Figure 7-30. Turn-On Settling Time
10 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: REF2025 REF2030 REF2033 REF2041 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions Pin Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Recommended Operating Conditions 7.4 Thermal Information 7.5 Electrical Characteristics 7.6 Typical Characteristics 8 Parameter Measurement Information 8.1 Solder Heat Shift 8.2 Long-Term Stability 8.3 Thermal Hysteresis 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 VREF and VBIAS Tracking 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 10 Applications and Implementation 10.1 Application Information 10.2 Typical Application 10.2.1 Low-Side, Current-Sensing Application 10.2.1.1 Design Requirements 10.2.1.2 Detailed Design Procedure 10.2.1.2.1 Shunt Resistor 10.2.1.2.2 Differential Amplifier 10.2.1.2.3 Voltage Reference 10.2.1.2.4 Results 10.2.1.3 Application Curves 11 Power-Supply Recommendations 12 Layout 12.1 Layout Guidelines 12.2 Layout Example 13 Device and Documentation Support 13.1 Documentation Support 13.1.1 Related Documentation 13.2 Receiving Notification of Documentation Updates 13.3 Support Resources 13.4 Trademarks 13.5 Electrostatic Discharge Caution 13.6 Glossary 14 Mechanical, Packaging, and Orderable Information
SBOS600E – JULY 2018 – REVISED FEBRUARY 2022
www.ti.com 7.6 Typical Characteristics (continued)
At TA = 25°C, IL = 0 mA, VIN = 5-V power supply, CL = 0 µF, and 2.5-V output, unless otherwise noted. +20 mA +20 mA +1 mA +1 mA 2 mA/div 40 mA/div -20 mA - 1 mA V VREF REF 20 mV/div 40 mV/div Time (500 µs/div) Time (500 µs/div) C037 C031 CL = 10 µF IL = ±1-mA step CL = 1 µF IL = ±20-mA step
Figure 7-25. Load Transient Response Figure 7-26. Load Transient Response
400 125°C +20 mA +20 m A ) 40 mA/div 300 V -20 mA 25°C (m e g ±40°C lta o 200 V t V REF u 40 mV/div o p ro D 100 0 Time (500 µs/div) ±30 ±20 ±10 0 10 20 30 Load Current (mA) C036 C005 CL = 10 µF IL = ±20-mA step
Figure 7-28. Minimum Dropout Voltage vs Load Current Figure 7-27. Load Transient Response
VIN VIN 2 V/div 2 V/div V V REF REF Time (100 µs/div) Time (100 µs/div) C033 C034 CL = 1 µF CL = 10 µF
Figure 7-29. Turn-On Settling Time Figure 7-30. Turn-On Settling Time
10 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: REF2025 REF2030 REF2033 REF2041 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Device Comparison Table 6 Pin Configuration and Functions Pin Functions 7 Specifications 7.1 Absolute Maximum Ratings 7.2 ESD Ratings 7.3 Recommended Operating Conditions 7.4 Thermal Information 7.5 Electrical Characteristics 7.6 Typical Characteristics 8 Parameter Measurement Information 8.1 Solder Heat Shift 8.2 Long-Term Stability 8.3 Thermal Hysteresis 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 VREF and VBIAS Tracking 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 10 Applications and Implementation 10.1 Application Information 10.2 Typical Application 10.2.1 Low-Side, Current-Sensing Application 10.2.1.1 Design Requirements 10.2.1.2 Detailed Design Procedure 10.2.1.2.1 Shunt Resistor 10.2.1.2.2 Differential Amplifier 10.2.1.2.3 Voltage Reference 10.2.1.2.4 Results 10.2.1.3 Application Curves 11 Power-Supply Recommendations 12 Layout 12.1 Layout Guidelines 12.2 Layout Example 13 Device and Documentation Support 13.1 Documentation Support 13.1.1 Related Documentation 13.2 Receiving Notification of Documentation Updates 13.3 Support Resources 13.4 Trademarks 13.5 Electrostatic Discharge Caution 13.6 Glossary 14 Mechanical, Packaging, and Orderable Information
