Texas Instruments
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
TL431BQLPM
Ver Detalle Hojas de datos

TL431BQLPM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Adjustable precision shunt regulator - Low output voltage tolerance - High stability over temperature and time - Low dynamic impedance - Wide operating current range - Programmable output voltage - Low power consumption

Package: QFN (Quad Flat No-Lead)

Essence: The TL431BQLPM is a voltage reference IC that provides a stable and adjustable output voltage.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Output Voltage Range: 2.5V to 36V
  • Reference Voltage Tolerance: ±1%
  • Operating Temperature Range: -40°C to +125°C
  • Supply Current: 1.0mA typical
  • Dynamic Output Impedance: 0.22Ω typical
  • Cathode Current Range: 1.0mA to 100mA

Pin Configuration

The TL431BQLPM has a 6-pin configuration:

  1. Anode
  2. Cathode
  3. NC (No Connection)
  4. Control Terminal
  5. NC (No Connection)
  6. Reference Terminal

Functional Features

  • Provides a stable reference voltage for various applications
  • Adjustable output voltage through the control terminal
  • Low dynamic impedance ensures accurate voltage regulation
  • High stability over temperature and time
  • Wide operating current range allows flexibility in design

Advantages and Disadvantages

Advantages: - Precise and adjustable output voltage - High stability over temperature and time - Low dynamic impedance for accurate voltage regulation - Wide operating current range for flexibility

Disadvantages: - Limited output current capability - Requires external components for proper operation

Working Principles

The TL431BQLPM operates as a shunt regulator, maintaining a stable output voltage by comparing the reference voltage at the control terminal with an external voltage divider network. It adjusts the cathode current to maintain the desired output voltage.

Detailed Application Field Plans

The TL431BQLPM is widely used in various applications, including:

  1. Voltage regulators
  2. Switching power supplies
  3. Battery chargers
  4. Audio amplifiers
  5. LED drivers
  6. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the TL431BQLPM are:

  1. TLV431AIDBZR
  2. LM4040CIM3-2.5
  3. LT1009CZ-2.5
  4. MAX6126AASA25
  5. REF3030AIDBZT

These alternatives offer similar functionality and performance characteristics.

In conclusion, the TL431BQLPM is a versatile voltage reference IC that provides precise and adjustable output voltage. Its high stability, low dynamic impedance, and wide operating current range make it suitable for various applications. However, it has limitations in terms of output current capability and requires external components for proper operation.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TL431BQLPM en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TL431BQLPM:

  1. Q: What is TL431BQLPM? A: TL431BQLPM is a precision programmable reference voltage regulator commonly used in technical solutions.

  2. Q: What is the purpose of TL431BQLPM? A: TL431BQLPM is used to provide a stable reference voltage for various applications, such as voltage regulation, feedback control, and precision measurement.

  3. Q: What is the voltage range of TL431BQLPM? A: The voltage range of TL431BQLPM is typically between 2.5V and 36V.

  4. Q: How does TL431BQLPM work? A: TL431BQLPM operates by comparing the reference voltage with an external voltage divider network and adjusting its output accordingly.

  5. Q: Can TL431BQLPM be used as a voltage regulator? A: Yes, TL431BQLPM can be used as a voltage regulator by connecting it in a feedback loop with an external transistor or MOSFET.

  6. Q: What are the key features of TL431BQLPM? A: Some key features of TL431BQLPM include low output voltage drift, high accuracy, low quiescent current, and wide temperature range.

  7. Q: What are the typical applications of TL431BQLPM? A: TL431BQLPM is commonly used in power supplies, battery chargers, audio amplifiers, LED drivers, and other precision voltage regulation circuits.

  8. Q: How do I set the output voltage of TL431BQLPM? A: The output voltage of TL431BQLPM can be set by selecting appropriate resistor values in the external voltage divider network.

  9. Q: Is TL431BQLPM suitable for high-frequency applications? A: Yes, TL431BQLPM can be used in high-frequency applications as it has a fast response time and good stability.

  10. Q: Are there any precautions to consider when using TL431BQLPM? A: Yes, some precautions include ensuring proper decoupling capacitors, avoiding excessive heat dissipation, and following the manufacturer's datasheet guidelines for optimal performance.

Please note that these answers are general and may vary depending on specific application requirements.