ON Semiconductor
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TL431BCLPREG
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TL431BCLPREG

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: TO-92, SOT-23, SOIC-8
  • Essence: Programmable Precision Reference
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Reference Voltage Range: 2.495V to 36V
  • Output Current: 1mA to 100mA
  • Temperature Range: -40°C to +85°C
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Reference Voltage Tolerance: ±1%
  • Cathode Current: 1mA to 100mA

Detailed Pin Configuration

The TL431BCLPREG 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 voltage through external resistors.
  • High precision and stability over temperature and time.
  • Low dynamic impedance.
  • Fast response time.
  • Low operating current.

Advantages and Disadvantages

Advantages

  • Wide range of reference voltage options.
  • High accuracy and stability.
  • Easy to use and integrate into various circuits.
  • Low cost.
  • Small package size.

Disadvantages

  • Limited output current capability.
  • Requires external resistors for voltage adjustment.
  • Sensitivity to noise and fluctuations in the input voltage.

Working Principles

The TL431BCLPREG is a programmable precision shunt regulator that operates by comparing the reference voltage at the Reference (R) pin with an external voltage divider network. By adjusting the resistors in the voltage divider, the output voltage can be set to a desired value within the specified range. The TL431BCLPREG then regulates the current flowing through the cathode (K) pin to maintain a stable output voltage.

Detailed Application Field Plans

The TL431BCLPREG is widely used in various applications, including:

  1. Voltage regulation in power supplies and battery chargers.
  2. Precision voltage reference for analog-to-digital converters (ADCs).
  3. Current limiting circuits.
  4. Overvoltage protection circuits.
  5. Temperature compensation circuits.
  6. LED drivers.
  7. Audio amplifiers.

Detailed and Complete Alternative Models

  • TL431ACLPREG
  • TL431BCDLPREG
  • TL431BCPREG
  • TL431CDLPREG
  • TL431CPREG

These alternative models offer similar functionality and characteristics to the TL431BCLPREG, but may have different package options or minor variations in specifications.

In conclusion, the TL431BCLPREG is a versatile voltage reference integrated circuit that provides adjustable precision shunt regulation. Its wide range of applications, high accuracy, and low cost make it a popular choice among engineers and designers in various industries.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TL431BCLPREG :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TL431BCLPREG in technical solutions:

  1. Q: What is TL431BCLPREG? A: TL431BCLPREG is a programmable precision voltage reference integrated circuit (IC) commonly used in various technical solutions.

  2. Q: What is the purpose of TL431BCLPREG? A: TL431BCLPREG is primarily used as a voltage reference or shunt regulator to provide stable and accurate voltage levels in electronic circuits.

  3. Q: How does TL431BCLPREG work? A: TL431BCLPREG compares the input voltage with an internal reference voltage and adjusts its output accordingly to maintain a constant voltage level.

  4. Q: What are the typical applications of TL431BCLPREG? A: TL431BCLPREG is commonly used in power supplies, battery chargers, voltage regulators, audio amplifiers, and other electronic circuits requiring precise voltage control.

  5. Q: What is the voltage range of TL431BCLPREG? A: The voltage range of TL431BCLPREG is typically between 2.5V and 36V, making it suitable for a wide range of applications.

  6. Q: Can TL431BCLPREG handle high currents? A: No, TL431BCLPREG is not designed to handle high currents directly. It is usually used in conjunction with external transistors or MOSFETs to handle higher current loads.

  7. Q: How accurate is TL431BCLPREG? A: TL431BCLPREG has a high level of accuracy, typically within ±1% of the desired output voltage.

  8. Q: Can TL431BCLPREG be used in both analog and digital circuits? A: Yes, TL431BCLPREG can be used in both analog and digital circuits as it provides a stable voltage reference for precise voltage control.

  9. Q: Is TL431BCLPREG temperature-compensated? A: Yes, TL431BCLPREG is temperature-compensated, which ensures its stability and accuracy over a wide range of operating temperatures.

  10. Q: Are there any precautions to consider when using TL431BCLPREG? A: Yes, some precautions include proper decoupling, avoiding excessive heat, ensuring correct pin connections, and following the manufacturer's datasheet guidelines for optimal performance.

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