Datasheet TLV431, TLV431A, TLV431B (Texas Instruments) - 9

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TLV431 , TLV431A, TLV431B www.ti.com
SLVS139W – JULY 1996 – REVISED MARCH 2018
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.
40 3000 VKA = 5 V V A V KA = 6 V A n REF = 0 n V − − 2500 REF = 0 t t n n 30 rre rre u u 2000 e C e C d d o o th th a a 20 1500 te C te C ta ta ff-S 1000 ff-S O O − 10 − 500 I K(off) I K(off) 0 0−50 −25 0 25 50 75 100 125 150 −50 −25 0 25 50 75 100 125 150 TJ − Junction Temperature −
°
C TJ − Junction Temperature −
°
C Figure 7. Off-State Cathode Current vs Figure 8. Off-State Cathode Current vs Junction Temperature (for TLV431 and TLV431A) Junction Temperature (for TLV431B) 0 0.0 0 e e g g −0.1 IK = 10 mA lta − 0.1 lta o o
∆
VKA = VREF to 6 V V V e /V /V −0.2 e c V c V n − 0.2 m n m re − re − −0.3 fe e fe e e g e g R − 0.3 R −0.4 lta lta lta o V lta o e e V D e − 0.4 e −0.5 D f d f d o o o o th th −0.6 tio a − 0.5 tio a a C a C R R lta −0.7 − − lta e e D − 0.6 D KA KA −0.8 V to V to
∆
I
∆
K = 10 mA − 0.7 −0.9 ref/
∆
VKA = VREF to 6 V ref/ V V
∆ ∆
−1.0 −1 − 0.8 − 50 − 25 0 25 50 75 100 125 150 −50 −25 0 25 50 75 100 125 150 TJ − Junction Temperature −
°
C TJ − Junction Temperature −
°
C Figure 9. Ratio of Delta Reference Voltage to Figure 10. Ratio of Delta Reference Voltage to Delta Cathode Voltage vs Delta Cathode Voltage vs Junction Temperature (for TLV431 and TLV431A) Junction Temperature (for TLV431B)
Copyright © 1996–2018, Texas Instruments Incorporated Submit Documentation Feedback 9 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