Datasheet TLV431, TLV431A, TLV431B (Texas Instruments) - 10
| 制造商 | Texas Instruments |
| 描述 | TLV431x Low-Voltage Adjustable Precision Shunt Regulator |
| 页数 / 页 | 55 / 10 — TLV431. , TLV431A,. TLV431B. www.ti.com. Typical Characteristics … |
| 修订版 | X |
| 文件格式/大小 | PDF / 2.2 Mb |
| 文件语言 | 英语 |
TLV431. , TLV431A,. TLV431B. www.ti.com. Typical Characteristics (continued). 0.025. IK = 1 mA. % − f re refV. −0.025. % Change (avg). in e
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TLV431 , TLV431A, TLV431B
SLVS139W – JULY 1996 – REVISED MARCH 2018
www.ti.com 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.
0.025 IK = 1 mA % − f re refV −0.025 % Change (avg) in e % Change (3
δ
) g n a h −0.05 C e g ta n −0.075 e rc e P −0.1 % Change (−3
δ
) −0.125 0 10 20 30 40 50 60 Operating Life at 55
°
C − kh‡
‡ Extrapolated from life-test data taken at 125°C; the activation energy assumed is 0.7 eV.
Figure 11. Percentage Change in VREF vs Operating Life at 55°C 3 V Hz VKA = VREF IK = 1 mA 1 k
Ω
nV/ TA = 25
°
C − e 300 g + 750
Ω
lta o 470
µ
F TLE2027 V 2200
µ
F e + + is o 250 _ TP N t 820
Ω
u p TLV431 In or t n TLV431A 160 k
Ω
le a 200 or 160
Ω
iv u TLV431B q E − n TEST CIRCUIT FOR EQUIVALENT INPUT NOISE VOLTAGE V 150 10 100 1k 10k 100k f − Frequency − Hz Figure 12. Equivalent Input Noise Voltage
10 Submit Documentation Feedback Copyright © 1996–2018, Texas Instruments Incorporated Product Folder Links: TLV431 TLV431A TLV431B 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 for TLV431 6.6 Electrical Characteristics for TLV431A 6.7 Electrical Characteristics for TLV431B 6.8 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 Related Links 12.3 Receiving Notification of Documentation Updates 12.4 Community Resources 12.5 Trademarks 12.6 Electrostatic Discharge Caution 12.7 Glossary 13 Mechanical, Packaging, and Orderable Information
TLV431 , TLV431A, TLV431B
SLVS139W – JULY 1996 – REVISED MARCH 2018
www.ti.com 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.
0.025 IK = 1 mA % − f re refV −0.025 % Change (avg) in e % Change (3
δ
) g n a h −0.05 C e g ta n −0.075 e rc e P −0.1 % Change (−3
δ
) −0.125 0 10 20 30 40 50 60 Operating Life at 55
°
C − kh‡
‡ Extrapolated from life-test data taken at 125°C; the activation energy assumed is 0.7 eV.
Figure 11. Percentage Change in VREF vs Operating Life at 55°C 3 V Hz VKA = VREF IK = 1 mA 1 k
Ω
nV/ TA = 25
°
C − e 300 g + 750
Ω
lta o 470
µ
F TLE2027 V 2200
µ
F e + + is o 250 _ TP N t 820
Ω
u p TLV431 In or t n TLV431A 160 k
Ω
le a 200 or 160
Ω
iv u TLV431B q E − n TEST CIRCUIT FOR EQUIVALENT INPUT NOISE VOLTAGE V 150 10 100 1k 10k 100k f − Frequency − Hz Figure 12. Equivalent Input Noise Voltage
10 Submit Documentation Feedback Copyright © 1996–2018, Texas Instruments Incorporated Product Folder Links: TLV431 TLV431A TLV431B 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 for TLV431 6.6 Electrical Characteristics for TLV431A 6.7 Electrical Characteristics for TLV431B 6.8 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 Related Links 12.3 Receiving Notification of Documentation Updates 12.4 Community Resources 12.5 Trademarks 12.6 Electrostatic Discharge Caution 12.7 Glossary 13 Mechanical, Packaging, and Orderable Information