Diodes Incorporated
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TLV431TFTA
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TLV431TFTA

Product Overview

  • Category: Integrated Circuits
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23 (3-Lead)
  • Essence: TLV431TFTA is a voltage reference IC that provides a stable output voltage over a wide range of input voltages.
  • Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: Up to 100mA
  • Input Voltage Range: 2.5V to 16V
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)

Detailed Pin Configuration

The TLV431TFTA has three pins:

  1. Anode (A): Connected to the input voltage source.
  2. Cathode (K): Connected to the ground or reference voltage.
  3. Adjust (ADJ): Output pin that provides the regulated voltage.

Functional Features

  • Provides a stable reference voltage for precision applications.
  • Adjustable output voltage through an external resistor divider network.
  • Low dynamic impedance ensures good stability.
  • Fast response time to changes in input voltage.
  • Low quiescent current consumption.

Advantages and Disadvantages

Advantages

  • Wide operating temperature range allows for use in various environments.
  • Adjustable output voltage provides flexibility in different applications.
  • Small package size enables space-saving designs.
  • Low power consumption makes it suitable for battery-powered devices.

Disadvantages

  • Limited output current may not be sufficient for high-power applications.
  • Requires an external resistor divider network for voltage adjustment.

Working Principles

The TLV431TFTA is based on the principle of a precision shunt regulator. It uses a bandgap reference to generate a stable voltage that is compared to the input voltage. The internal circuitry adjusts the current flowing through the shunt resistor to maintain a constant output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The TLV431TFTA is commonly used in various applications, including:

  1. Voltage regulation in power supplies and battery chargers.
  2. Precision measurement equipment.
  3. Audio amplifiers and signal conditioning circuits.
  4. Industrial control systems.
  5. Automotive electronics.
  6. Portable devices such as smartphones and tablets.

Detailed and Complete Alternative Models

  • TLV431AIDBZR: SOT-23 (3-Lead), adjustable precision shunt regulator.
  • TL431AQDBZR: SOT-23 (3-Lead), adjustable precision shunt regulator with improved accuracy.
  • TLVH431AIDBZR: SOT-23 (3-Lead), adjustable precision shunt regulator with higher voltage range.

These alternative models offer similar functionality and can be considered as replacements for the TLV431TFTA in different applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TLV431TFTA en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TLV431TFTA in technical solutions:

  1. Q: What is TLV431TFTA? A: TLV431TFTA is a precision adjustable shunt voltage reference that can be used in various technical applications.

  2. Q: What is the purpose of TLV431TFTA? A: TLV431TFTA is primarily used as a voltage reference or regulator to provide a stable voltage output in electronic circuits.

  3. Q: What is the voltage range of TLV431TFTA? A: The TLV431TFTA has an adjustable voltage range from 1.24V to 6V.

  4. Q: How does TLV431TFTA work? A: TLV431TFTA works by comparing the input voltage with a reference voltage and adjusting its internal resistance to maintain a constant output voltage.

  5. Q: Can TLV431TFTA be used as a voltage regulator? A: Yes, TLV431TFTA can be used as a voltage regulator by connecting it in parallel with the load to maintain a constant voltage across the load.

  6. Q: What are the typical applications of TLV431TFTA? A: TLV431TFTA is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic devices where precise voltage regulation is required.

  7. Q: Is TLV431TFTA suitable for low-power applications? A: Yes, TLV431TFTA is designed for low-power applications and has a low quiescent current, making it energy-efficient.

  8. Q: Can TLV431TFTA handle high currents? A: TLV431TFTA is not designed to handle high currents directly. It is typically used in conjunction with external transistors or power devices to handle higher currents.

  9. Q: How accurate is TLV431TFTA in voltage regulation? A: TLV431TFTA has a high accuracy with low output voltage tolerance, typically within ±1%.

  10. Q: Can TLV431TFTA operate in harsh environments? A: TLV431TFTA has a wide operating temperature range and can withstand moderate environmental conditions, but it may require additional protection for extreme or harsh environments.

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