SLVS543S
August 2004 – May 2024
TL431
,
TL432
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Thermal Information
6.4
Recommended Operating Conditions
6.5
Electrical Characteristics, TL431C, TL432C
6.6
Electrical Characteristics, TL431I, TL432I
6.7
Electrical Characteristics, TL431Q, TL432Q
6.8
Electrical Characteristics, TL431AC, TL432AC
6.9
Electrical Characteristics, TL431AI, TL432AI
6.10
Electrical Characteristics, TL431AQ, TL432AQ
6.11
Electrical Characteristics, TL431BC, TL432BC
6.12
Electrical Characteristics, TL431BI, TL432BI
6.13
Electrical Characteristics, TL431BQ, TL432BQ
6.14
Typical Characteristics
7
Parameter Measurement Information
7.1
Temperature Coefficient
7.2
Dynamic Impedance
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
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Basic Operation
9.2.1.2.1.1
Overdrive
9.2.1.2.2
Output Voltage and Logic Input Level
9.2.1.2.2.1
Input Resistance
9.2.1.3
Application Curve
9.2.2
Shunt Regulator/Reference
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Programming Output/Cathode Voltage
9.2.2.2.2
Total Accuracy
9.2.2.2.3
Stability
9.2.2.2.4
Start-Up Time
9.2.2.3
Application Curve
9.3
System Examples
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Nomenclature
10.2
Related Links
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PK|3
MHSI001B
DBV|5
MPDS018T
DBZ|3
MPDS108G
Thermal pad, mechanical data (Package|Pins)
PK|3
PPTD070
Orderable Information
slvs543s_oa
slvs543s_pm
2
Applications
Rack server power
Industrial AC/DC
AC inverter & VF drives
Servo drive control module
Notebook PC power adapter design
Simplified Schematic