ON Semiconductor
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TL431ACLPRAG
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TL431ACLPRAG

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: Adjustable Precision Shunt Regulator
  • Package: TO-92, SOT-89, SOIC-8
  • Essence: Programmable Precision Reference
  • Packaging/Quantity: Tape & Reel, 2500 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%
  • Cathode Current: 1mA to 100mA

Detailed Pin Configuration

The TL431ACLPRAG has three pins:

  1. Anode (A): Connected to the positive supply voltage.
  2. Cathode (K): Connected to the load or ground.
  3. Reference (R): Provides a stable reference voltage.

Functional Features

  • Programmable output voltage reference.
  • High precision and stability.
  • Low dynamic impedance.
  • Wide operating temperature range.
  • Low power consumption.
  • Fast response time.

Advantages and Disadvantages

Advantages

  • Easy to use and implement in various applications.
  • Provides accurate and stable voltage references.
  • Can be used as a voltage regulator or voltage monitor.
  • Low cost and widely available.

Disadvantages

  • Requires an external resistor for programming the output voltage.
  • Limited output current capability.
  • Sensitivity to temperature variations.

Working Principles

The TL431ACLPRAG is a three-terminal adjustable shunt regulator. It operates by comparing the reference voltage at the Reference (R) pin with the voltage at the Cathode (K) pin. By adjusting the resistor connected between the Anode (A) and Cathode (K) pins, the output voltage can be set to a desired value.

When the voltage at the Cathode (K) pin exceeds the reference voltage, the TL431ACLPRAG starts conducting current from the Anode (A) to the Cathode (K) pin, regulating the voltage to the desired level.

Detailed Application Field Plans

The TL431ACLPRAG is widely used in various applications, including:

  1. Voltage regulation in power supplies.
  2. Battery charging circuits.
  3. Overvoltage protection circuits.
  4. Voltage monitoring and feedback control systems.
  5. Precision instrumentation and measurement equipment.
  6. Audio amplifiers and preamplifiers.
  7. LED drivers and lighting control circuits.

Detailed and Complete Alternative Models

  • TL431ACLPRE3
  • TL431ACLPREG
  • TL431ACLPREP
  • TL431ACLPREU
  • TL431ACLPREV

These alternative models offer similar functionality and characteristics to the TL431ACLPRAG, providing flexibility for different application requirements.

In conclusion, the TL431ACLPRAG is a versatile and reliable voltage reference integrated circuit. Its programmable precision and stability make it suitable for a wide range of applications. However, it has some limitations such as the need for an external resistor and limited output current capability. Nonetheless, its advantages outweigh the disadvantages, making it a popular choice among engineers and designers.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TL431ACLPRAG dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TL431ACLPRAG:

  1. Q: What is TL431ACLPRAG? A: TL431ACLPRAG is a programmable precision voltage reference integrated circuit (IC) commonly used in technical solutions.

  2. Q: What is the purpose of TL431ACLPRAG? A: TL431ACLPRAG is primarily used as a voltage reference or shunt regulator in various electronic circuits.

  3. Q: How does TL431ACLPRAG work? A: TL431ACLPRAG compares the input voltage with an internal reference voltage and adjusts its output accordingly to maintain a stable voltage.

  4. Q: What is the voltage range of TL431ACLPRAG? A: The voltage range of TL431ACLPRAG is typically between 2.5V and 36V.

  5. Q: Can TL431ACLPRAG be used as a voltage regulator? A: Yes, TL431ACLPRAG can be used as a voltage regulator by connecting it in a feedback loop with an external transistor.

  6. Q: What are the typical applications of TL431ACLPRAG? A: TL431ACLPRAG is commonly used in power supplies, battery chargers, audio amplifiers, and other circuits requiring precise voltage regulation.

  7. Q: How accurate is TL431ACLPRAG? A: TL431ACLPRAG has a high level of accuracy, typically within ±1% of the desired output voltage.

  8. Q: Can TL431ACLPRAG handle high currents? A: No, TL431ACLPRAG is not designed to handle high currents directly. It is usually used in conjunction with an external transistor to handle higher currents.

  9. Q: Is TL431ACLPRAG temperature-compensated? A: Yes, TL431ACLPRAG has built-in temperature compensation to maintain its accuracy over a wide range of operating temperatures.

  10. Q: Are there any precautions when using TL431ACLPRAG? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive voltage or current, and following the manufacturer's datasheet for recommended usage guidelines.

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