TL431QPK - Texas Instruments

Manufacturer Part Number

TL431QPK

Manufacturer

Texas Instruments

Introduction

The TL431QPK is a highly stable, precision programmable shunt voltage reference with adjustable output.

Product Features and Performance

Adjustable output voltage from 2.495V to 36V

Shunt regulation architecture

Capable of sourcing up to 100 mA output current

Programmable output voltage through external resistors

Tight tolerance of ±2.2% over full temperature range

Supports wide operating temperature range from -40°C to 125°C

Product Advantages

High output voltage range flexibility

Good temperature stability and tolerance for precise voltage reference needs

Ideal for power supply circuits due to its shunt regulative capability

Convenient surface mount package for PCB assembly

Key Technical Parameters

Output Voltage Range: 2.495V to 36V

Current - Output: 100 mA

Tolerance: ±2.2%

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Package / Case: TO-243AA

Supplier Device Package: SOT-89-3

Quality and Safety Features

Built-in thermal overload protection

Safe operating area compensation

Robust construction for long-term reliability

Compatibility

This voltage reference can be used with a variety of integrated circuits requiring a precise voltage reference.

Application Areas

Switched Mode Power Supplies (SMPS)

Linear Regulators

Data Acquisition Systems

Analog-to-Digital/Digital-to-Analog Converters

Battery Chargers

Motor Control Systems

Product Lifecycle

Active product status implies current production with no immediate risk of discontinuation.

Availability of replacements or upgrades should be verified via Texas Instruments' product notifications.

Several Key Reasons to Choose This Product

Precision adjustable output voltage for a wide range of applications.

Stable and reliable performance in diverse temperature conditions.

Backed by Texas Instruments, a leader in semiconductor manufacturing.

Low output noise and good regulation characteristics for sensitive electronic circuits.

Easy to implement in a design due to surface mounting package.

Readily available in Tape & Reel packaging for automated assembly processes.