Datasheet REF3425-EP (Texas Instruments) - 8
| Manufacturer | Texas Instruments |
| Description | Enhanced product, 2.5-V, low-drift, low-power series voltage reference |
| Pages / Page | 28 / 8 — REF3425-EP. , REF3430-EP. , REF3433-EP,. REF3440-EP. www.ti.com. Typical … |
| File Format / Size | PDF / 1.8 Mb |
| Document Language | English |
REF3425-EP. , REF3430-EP. , REF3433-EP,. REF3440-EP. www.ti.com. Typical Characteristics (continued). Figure 7. Load Transient
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Text Version of Document
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REF3425-EP , REF3430-EP , REF3433-EP, REF3440-EP
SBAS942B – DECEMBER 2018 – REVISED APRIL 2019
www.ti.com Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = 12 V, IL = 0 mA, CL = 10 µF, CIN = 0.1 µF (unless otherwise noted) ILOAD ILOAD +10mA +10mA -10mA +10mA 10mA/div 10mA/div -10mA +10mA VOUT VOUT 100mV/div 20mV/div 250µs/div 250µs/div (CL = 1µF, IOUT = 10mA) D010 (CL = 10µF, IOUT = 10mA) D010
Figure 7. Load Transient Figure 8. Load Transient
VIN VIN 4V/div 4V/div VOUT VOUT 15mV/div 5mV/div 250µs/div 250µs/div (CL = 1µF) D011 (CL = 10µF) D011
Figure 9. Line Transient Figure 10. Line Transient
2.55 50% ) A P ( 2.5 de 40% 2.45 Mo 2.4 own (%) 30% td 2.35 ion t Shu 2.3 opulat 20% en P urr 2.25 10% ent C 2.2 c 2.15 Quies 0 0 2.1 01 02 -55 -35 -15 5 25 45 65 85 105 125 -0.02 -0.01 0. 0. D017 Temperature (qC) Solder Heat Shift (%) D013 Refer to Solder Heat Shift for more information
Figure 11. Quiescent Current Shutdown Mode Figure 12. Solder Heat Shift Distribution
8 Submit Documentation Feedback Copyright © 2018–2019, Texas Instruments Incorporated Product Folder Links: REF3425-EP REF3430-EP REF3433-EP REF3440-EP 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 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 Power Dissipation 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 Supply Voltage 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 9.4.1 EN Pin 9.4.2 Negative Reference Voltage 10 Application and Implementation 10.1 Application Information 10.2 Typical Application: Basic Voltage Reference Connection 10.2.1 Design Requirements 10.2.2 Detailed Design Procedure 10.2.2.1 Input and Output Capacitors 10.2.2.2 4-Wire Kelvin Connections 10.2.2.3 VIN Slew Rate Considerations 10.2.2.4 Shutdown/Enable Feature 10.2.3 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 Related Links 13.3 Receiving Notification of Documentation Updates 13.4 Community Resources 13.5 Trademarks 13.6 Electrostatic Discharge Caution 13.7 Glossary 14 Mechanical, Packaging, and Orderable Information
REF3425-EP , REF3430-EP , REF3433-EP, REF3440-EP
SBAS942B – DECEMBER 2018 – REVISED APRIL 2019
www.ti.com Typical Characteristics (continued)
at TA = 25°C, VIN = VEN = 12 V, IL = 0 mA, CL = 10 µF, CIN = 0.1 µF (unless otherwise noted) ILOAD ILOAD +10mA +10mA -10mA +10mA 10mA/div 10mA/div -10mA +10mA VOUT VOUT 100mV/div 20mV/div 250µs/div 250µs/div (CL = 1µF, IOUT = 10mA) D010 (CL = 10µF, IOUT = 10mA) D010
Figure 7. Load Transient Figure 8. Load Transient
VIN VIN 4V/div 4V/div VOUT VOUT 15mV/div 5mV/div 250µs/div 250µs/div (CL = 1µF) D011 (CL = 10µF) D011
Figure 9. Line Transient Figure 10. Line Transient
2.55 50% ) A P ( 2.5 de 40% 2.45 Mo 2.4 own (%) 30% td 2.35 ion t Shu 2.3 opulat 20% en P urr 2.25 10% ent C 2.2 c 2.15 Quies 0 0 2.1 01 02 -55 -35 -15 5 25 45 65 85 105 125 -0.02 -0.01 0. 0. D017 Temperature (qC) Solder Heat Shift (%) D013 Refer to Solder Heat Shift for more information
Figure 11. Quiescent Current Shutdown Mode Figure 12. Solder Heat Shift Distribution
8 Submit Documentation Feedback Copyright © 2018–2019, Texas Instruments Incorporated Product Folder Links: REF3425-EP REF3430-EP REF3433-EP REF3440-EP 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 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 Power Dissipation 8.4 Noise Performance 9 Detailed Description 9.1 Overview 9.2 Functional Block Diagram 9.3 Feature Description 9.3.1 Supply Voltage 9.3.2 Low Temperature Drift 9.3.3 Load Current 9.4 Device Functional Modes 9.4.1 EN Pin 9.4.2 Negative Reference Voltage 10 Application and Implementation 10.1 Application Information 10.2 Typical Application: Basic Voltage Reference Connection 10.2.1 Design Requirements 10.2.2 Detailed Design Procedure 10.2.2.1 Input and Output Capacitors 10.2.2.2 4-Wire Kelvin Connections 10.2.2.3 VIN Slew Rate Considerations 10.2.2.4 Shutdown/Enable Feature 10.2.3 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 Related Links 13.3 Receiving Notification of Documentation Updates 13.4 Community Resources 13.5 Trademarks 13.6 Electrostatic Discharge Caution 13.7 Glossary 14 Mechanical, Packaging, and Orderable Information
