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TL431CL3T
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TL431CL3T

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: SOT-23
  • Essence: Programmable Precision References
  • Packaging/Quantity: Tape and Reel, 3000 pieces 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: ±0.5% (max)

Detailed Pin Configuration

The TL431CL3T has three pins:

  1. Anode (A): Connected to the reference voltage input.
  2. Cathode (K): Connected to the ground or negative supply.
  3. Reference (R): Provides the regulated output voltage.

Functional Features

  • Programmable output voltage with a simple two-resistor divider network.
  • High precision and stability over temperature and time.
  • Low dynamic impedance ensures good load regulation.
  • Wide operating current range allows flexibility in various applications.
  • Fast response time to changes in input voltage.

Advantages and Disadvantages

Advantages

  • Easy to use and implement in various circuits.
  • Provides stable and accurate voltage references.
  • Low cost and widely available.
  • Can be used as a replacement for Zener diodes in many applications.

Disadvantages

  • Requires an external resistor network for voltage programming.
  • Limited output current capability compared to other voltage regulators.
  • Not suitable for high-power applications.

Working Principles

The TL431CL3T is a three-terminal adjustable shunt regulator. It operates by comparing the reference voltage at the Reference pin (R) with a voltage divider network connected to the Anode pin (A). The Cathode pin (K) is connected to the ground or negative supply.

By adjusting the resistor values in the voltage divider network, the output voltage can be set to the desired value within the specified range. The TL431CL3T then regulates the voltage between the Reference and Cathode pins to maintain a stable output voltage.

Detailed Application Field Plans

The TL431CL3T is widely used in various applications, including:

  1. Voltage references in power supplies and battery chargers.
  2. Precision voltage regulators in audio amplifiers and instrumentation circuits.
  3. Overvoltage protection circuits in automotive electronics.
  4. Error amplifiers in feedback control systems.
  5. Voltage monitoring and detection circuits in battery management systems.

Detailed and Complete Alternative Models

  • TL431AIDBZR: SOT-23 package, 2500 pieces per reel, ±1% reference voltage tolerance.
  • TLVH431AQDBZRQ1: SOT-23 package, 3000 pieces per reel, automotive-grade, ±0.5% reference voltage tolerance.
  • LM4040CIM3-2.5/NOPB: SOT-23 package, 3000 pieces per reel, fixed 2.5V reference voltage.

(Note: This list is not exhaustive and there are other alternative models available in different packages and specifications.)

In conclusion, the TL431CL3T is a versatile and widely used voltage reference integrated circuit. Its adjustable precision shunt regulator design, along with its ease of use and stability, make it suitable for a wide range of applications in various industries.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TL431CL3T :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TL431CL3T in technical solutions:

  1. Q: What is TL431CL3T? A: TL431CL3T is a three-terminal adjustable precision shunt regulator commonly used in various technical applications.

  2. Q: What is the purpose of TL431CL3T? A: TL431CL3T is used to provide accurate voltage references, voltage regulation, and feedback control in electronic circuits.

  3. Q: How does TL431CL3T work? A: TL431CL3T compares the reference voltage with an external voltage divider network and adjusts its output to maintain a stable voltage.

  4. Q: What is the voltage range of TL431CL3T? A: TL431CL3T operates within a voltage range of 2.5V to 36V.

  5. Q: Can TL431CL3T be used as a voltage regulator? A: Yes, TL431CL3T can be used as a voltage regulator by connecting it in a feedback loop with resistors and capacitors.

  6. Q: What are the typical applications of TL431CL3T? A: TL431CL3T is commonly used in power supplies, battery chargers, audio amplifiers, LED drivers, and other voltage regulation circuits.

  7. Q: How accurate is TL431CL3T in voltage regulation? A: TL431CL3T has a high level of accuracy, typically within ±1% of the desired output voltage.

  8. Q: Can TL431CL3T handle high currents? A: TL431CL3T can handle currents up to 100mA, making it suitable for low to medium power applications.

  9. Q: Is TL431CL3T temperature-compensated? A: Yes, TL431CL3T is temperature-compensated, ensuring stable performance over a wide range of operating temperatures.

  10. Q: How do I select the right TL431CL3T for my application? A: You can select the appropriate TL431CL3T variant based on factors such as voltage range, current requirements, and package type, considering your specific application needs.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of TL431CL3T.