LM431AIZ - Texas Instruments

Manufacturer Part Number

LM431AIZ

Manufacturer

Texas Instruments

Introduction

The LM431AIZ is a shunt voltage reference IC providing a precise output voltage from 2.495V to 37V adjustable over a wide current range.

Product Features and Performance

Adjustable output voltage from 2.495V to 37V

100 mA output current capability

±2.2% voltage tolerance

Temperature coefficient of 50ppm/°C typical

Through-hole mounting type

Shunt reference type

Product Advantages

Accurate and stable voltage reference

Flexible for wide range applications due to adjustable output

Suitable for through-hole PCB designs

Key Technical Parameters

Output Voltage (Min/Fixed): 2.495V

Output Voltage (Max): 37V

Current - Output: 100 mA

Tolerance: ±2.2%

Temperature Coefficient: 50ppm/°C Typical

Current - Cathode: 1 mA

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built to Texas Instruments' quality and safety standards

Operational across a wide temperature range ensuring reliability

Compatibility

Compatible with a wide range of circuits requiring a voltage reference

Through-hole device compatible with standard TO-92-3 footprint

Application Areas

Power supplies

Analog circuits

Data acquisition systems

Automotive electronics

Precision instrumentation

Consumer electronics

Product Lifecycle

Obsolete – Potential for limited availability

Check for replacement or upgrade options

Several Key Reasons to Choose This Product

Highly accurate with a low temperature coefficient for stable performance

Wide output voltage range providing versatility across applications

Trusted Texas Instruments quality for reliable operation

Through-hole package for easy mounting on PCBs

Supports a broad operating temperature range enabling use in various environments