TL431AILPE3

Product Overview

Category: Integrated Circuit
Use: Voltage Reference
Characteristics: Adjustable Precision Shunt Regulator
Package: TO-92 (Through-Hole)
Essence: Programmable Precision Reference
Packaging/Quantity: Tape & Reel, 2000 units per reel

Specifications

Reference Voltage Range: 2.495V to 36V
Output Current: 1mA to 100mA
Operating Temperature Range: -40°C to +85°C
Line Regulation: 0.2% (typical)
Load Regulation: 0.4% (typical)
Temperature Stability: 50ppm/°C (typical)

Detailed Pin Configuration

The TL431AILPE3 has three pins:

Anode (A): Connected to the reference voltage input.
Cathode (K): Connected to the ground or negative supply voltage.
Reference (R): Output pin that provides a stable reference voltage.

Functional Features

Programmable output voltage reference.
High precision and stability.
Low dynamic impedance.
Wide operating voltage range.
Low temperature coefficient.
Low output noise.

Advantages and Disadvantages

Advantages

Provides a precise and stable reference voltage.
Easy to use and integrate into various circuits.
Wide range of applications.
Low cost and readily available.

Disadvantages

Requires external components for proper operation.
Limited output current capability.
Sensitivity to temperature variations.

Working Principles

The TL431AILPE3 is a programmable precision shunt regulator. It operates by comparing the reference voltage at the R pin with an internal voltage divider network. By adjusting the resistive divider connected to the R pin, the output voltage can be set to a desired value. The TL431AILPE3 then regulates the voltage between the A and K pins to match the reference voltage.

Detailed Application Field Plans

The TL431AILPE3 is widely used in various applications, including:

Voltage regulation in power supplies.
Current limiting circuits.
Battery chargers.
Switching regulators.
Audio amplifiers.
LED drivers.
Precision measurement equipment.

Detailed and Complete Alternative Models

TL431BQDBZR: SOT-23 package, adjustable precision shunt regulator.
TLV431BQDBVR: SOT-23 package, low-voltage adjustable precision shunt regulator.
TL432BQDBZR: SOT-23 package, adjustable precision shunt regulator with improved accuracy.

These alternative models offer similar functionality and characteristics to the TL431AILPE3, providing flexibility for different design requirements.

In conclusion, the TL431AILPE3 is an adjustable precision shunt regulator that offers high precision, stability, and a wide range of applications. Its programmable nature allows for easy integration into various circuits, making it a popular choice among designers. However, it does have limitations such as external component requirements and limited output current capability. Nonetheless, its advantages outweigh the disadvantages, making it a reliable choice for voltage reference applications.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TL431AILPE3 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TL431AILPE3 in technical solutions:

Q: What is TL431AILPE3? A: TL431AILPE3 is a programmable precision voltage reference integrated circuit (IC) commonly used in various technical applications.
Q: What is the purpose of TL431AILPE3? A: TL431AILPE3 is primarily used as a voltage reference or shunt regulator to provide stable and accurate voltage levels in electronic circuits.
Q: What is the voltage range of TL431AILPE3? A: The voltage range of TL431AILPE3 is typically from 2.5 volts to 36 volts, making it suitable for a wide range of applications.
Q: How does TL431AILPE3 work? A: TL431AILPE3 compares the input voltage with an internal reference voltage and adjusts its output accordingly to maintain a constant voltage level.
Q: Can TL431AILPE3 be used as a voltage regulator? A: Yes, TL431AILPE3 can be used as a voltage regulator by connecting it in a shunt configuration to regulate the output voltage.
Q: What are the typical applications of TL431AILPE3? A: TL431AILPE3 is commonly used in power supplies, battery chargers, audio amplifiers, LED drivers, and other electronic circuits requiring precise voltage regulation.
Q: Is TL431AILPE3 suitable for high-current applications? A: TL431AILPE3 can handle currents up to 100 mA, which makes it suitable for low to moderate current applications. For higher currents, external transistors may be required.
Q: How accurate is TL431AILPE3 in voltage regulation? A: TL431AILPE3 has a typical accuracy of ±1% in voltage regulation, making it suitable for applications that require precise voltage control.
Q: Can TL431AILPE3 be used in automotive applications? A: Yes, TL431AILPE3 is often used in automotive applications such as voltage regulators, battery management systems, and lighting control circuits.
Q: Are there any precautions to consider when using TL431AILPE3? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and providing adequate decoupling capacitors for stability.

Please note that the answers provided here are general and may vary depending on specific circuit designs and requirements.