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TL431BCDBVRG4
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TL431BCDBVRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: TL431BCDBVRG4 is a voltage reference integrated circuit that provides adjustable precision shunt regulation for various applications.
  • Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Reference Voltage Range: 2.495V to 36V
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: Up to 100mA
  • Reference Voltage Tolerance: ±1%
  • Cathode Current: 1mA to 100mA
  • Anode Current: 1mA to 150mA
  • Dynamic Impedance: 0.22Ω

Pin Configuration

The TL431BCDBVRG4 has three pins:

  1. Anode (A): Connected to the positive terminal of the power supply.
  2. Cathode (K): Connected to the load or ground.
  3. Reference (R): Provides the regulated output voltage.

Functional Features

  • Adjustable Output: The TL431BCDBVRG4 allows precise adjustment of the output voltage using external resistors.
  • Low Power Consumption: It operates with low quiescent current, making it suitable for battery-powered devices.
  • High Accuracy: The reference voltage tolerance of ±1% ensures accurate voltage regulation.
  • Fast Response Time: The TL431BCDBVRG4 quickly responds to changes in load conditions, maintaining stable output voltage.

Advantages

  • Versatile: Suitable for a wide range of applications requiring voltage regulation.
  • Cost-effective: Provides an affordable solution for precision voltage references.
  • Easy to Use: Simple pin configuration and adjustable output voltage make it user-friendly.
  • Reliable: Designed for long-term stability and durability.

Disadvantages

  • Limited Output Current: The TL431BCDBVRG4 is not suitable for high-current applications.
  • Sensitivity to Temperature: Its performance may be affected by temperature variations.

Working Principles

The TL431BCDBVRG4 operates as a shunt regulator, maintaining a stable output voltage by comparing the reference voltage at the R pin with the input voltage. It adjusts the current flowing through the cathode to regulate the output voltage.

Detailed Application Field Plans

The TL431BCDBVRG4 finds applications in various fields, including:

  1. Power Supplies: Used for voltage regulation in power supply circuits.
  2. Battery Chargers: Ensures precise charging voltage for batteries.
  3. Audio Amplifiers: Provides stable biasing voltage for audio amplification circuits.
  4. LED Lighting: Regulates the voltage for consistent brightness in LED lighting systems.
  5. Industrial Control Systems: Used in control circuits to maintain stable voltages.

Detailed Alternative Models

  1. TL431ACDBZR: Similar to TL431BCDBVRG4 but available in a different package (SOT-223).
  2. TLV431BQDBZR: A low-voltage version of TL431BCDBVRG4 with a reference voltage range of 0.8V to 6V.
  3. LM4040AIM3-2.5/NOPB: A precision voltage reference IC with a fixed output voltage of 2.5V.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TL431BCDBVRG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TL431BCDBVRG4:

  1. Q: What is TL431BCDBVRG4? A: TL431BCDBVRG4 is a precision programmable reference voltage regulator that can be used in various technical solutions.

  2. Q: What is the purpose of TL431BCDBVRG4? A: TL431BCDBVRG4 is commonly used as a voltage reference or voltage regulator in electronic circuits.

  3. Q: What is the voltage range of TL431BCDBVRG4? A: The voltage range of TL431BCDBVRG4 is typically from 2.5V to 36V.

  4. Q: How does TL431BCDBVRG4 work? A: TL431BCDBVRG4 compares the input voltage with an internal reference voltage and adjusts its output accordingly to maintain a stable voltage.

  5. Q: Can TL431BCDBVRG4 be used as a shunt regulator? A: Yes, TL431BCDBVRG4 can be used as a shunt regulator by connecting it between the voltage source and ground.

  6. Q: What is the typical accuracy of TL431BCDBVRG4? A: The typical accuracy of TL431BCDBVRG4 is around ±1%.

  7. Q: Can TL431BCDBVRG4 handle high currents? A: No, TL431BCDBVRG4 is not designed to handle high currents. It is typically used for low-power applications.

  8. Q: How can I adjust the output voltage of TL431BCDBVRG4? A: The output voltage of TL431BCDBVRG4 can be adjusted by changing the resistor values in the feedback network.

  9. Q: Is TL431BCDBVRG4 suitable for battery-powered applications? A: Yes, TL431BCDBVRG4 is commonly used in battery-powered applications due to its low power consumption.

  10. Q: Can TL431BCDBVRG4 be used in automotive applications? A: Yes, TL431BCDBVRG4 is often used in automotive applications where precise voltage regulation is required.

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