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TLV431x-Q1 Low-Voltage Adjustable Precision Shunt Regulator
SLVS905B
December 2008 – July 2024
TLV431A-Q1
,
TLV431B-Q1
PRODUCTION DATA
CONTENTS
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TLV431x-Q1 Low-Voltage Adjustable Precision Shunt Regulator
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Thermal Information
5.4
Recommended Operating Conditions
5.5
Electrical Characteristics for TLV431A-Q1
5.6
Electrical Characteristics for TLV431B-Q1
5.7
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.4
Device Functional Modes
7.4.1
Open Loop (Comparator)
7.4.2
Closed Loop
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Comparator with Integrated Reference (Open Loop)
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Basic Operation
8.2.1.2.2
Overdrive
8.2.1.2.3
Output Voltage and Logic Input Level
8.2.1.2.3.1
Input Resistance
8.2.1.3
Application Curves
8.2.2
Shunt Regulator/Reference
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Programming Output/Cathode Voltage
8.2.2.2.2
Total Accuracy
8.2.2.2.3
Stability
8.2.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
DBZ|3
MPDS108G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs905b_oa
slvs905b_pm
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TLV431x-Q1 Low-Voltage Adjustable Precision Shunt Regulator