SNVSCR4A
July 2024 – October 2024
TLA431
,
TLA432
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
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
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
Closed Loop
8.4.1.1
Stability (Closed Loop)
8.4.2
Open Loop (Comparator)
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Shunt Regulator/Reference
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Programming Output/Cathode Voltage
9.2.1.2.2
Total Accuracy
9.2.1.2.3
Start-Up Time
9.2.1.3
Application Curve
9.2.2
Comparator With Integrated Reference
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Basic Operation
9.2.2.2.1.1
Overdrive
9.2.2.2.2
Output Voltage and Logic Input Level
9.2.2.2.2.1
Input Resistance
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)
DBZ|3
MPDS108G
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscr4a_oa
snvscr4a_pm
1
Features
No output capacitor required
Stable with all capacitive loads
Reference voltage tolerance at 25°C
1% (A grade)
Adjustable output voltage: V
ref
to 36V
Operation from −40°C to 125°C
Typical temperature drift (TLA43xA)
8mV (I temp)
11mV (Q temp)
Low Output Noise
0.2Ω Typical output impedance
Sink-current capability: 0.2mA to 100mA
Pin-compatible with industry-standard TL431 and TL432