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TLV431BLPRAG
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TLV431BLPRAG

Product Overview

  • Category: Integrated Circuits
  • Use: Voltage Reference
  • Characteristics: Low-voltage adjustable precision shunt regulator
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: Precision voltage reference with adjustable output
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Reference Voltage Range: 1.24V to 6V
  • Operating Current Range: 1µA to 100mA
  • Temperature Range: -40°C to +125°C
  • Accuracy: ±1%
  • Output Voltage Tolerance: ±0.5%
  • Line Regulation: 0.2% typical
  • Load Regulation: 0.4% typical
  • Quiescent Current: 60µA typical

Detailed Pin Configuration

The TLV431BLPRAG 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 adjustable output voltage.

Functional Features

  • Adjustable output voltage using external resistors.
  • Low operating current for power-sensitive applications.
  • High accuracy and stability over temperature and load variations.
  • Wide operating temperature range for various environments.
  • Fast response time to changes in input voltage.

Advantages and Disadvantages

Advantages

  • Precise and stable voltage reference.
  • Adjustable output voltage allows flexibility in design.
  • Low quiescent current minimizes power consumption.
  • Small package size enables space-saving designs.
  • Wide operating temperature range for versatile applications.

Disadvantages

  • Limited maximum output current.
  • Requires external resistors for voltage adjustment.
  • Not suitable for high-power applications.

Working Principles

The TLV431BLPRAG is a precision shunt regulator that maintains a constant voltage across the load by shunting excess current to ground. It uses a bandgap reference circuit to generate a stable reference voltage. By adjusting the resistors connected to the Reference pin, the output voltage can be set to the desired value within the specified range.

Detailed Application Field Plans

The TLV431BLPRAG is commonly used in various electronic systems and applications, including:

  1. Voltage regulators in power supplies and battery-powered devices.
  2. Precision measurement instruments requiring accurate voltage references.
  3. Audio amplifiers and signal processing circuits.
  4. Automotive electronics for voltage stabilization.
  5. Industrial control systems and automation equipment.

Detailed and Complete Alternative Models

  1. TL431BQDBZR: SOT-23 package, adjustable precision shunt regulator.
  2. LM4040CIM3-2.5/NOPB: SOT-23 package, 2.5V precision voltage reference.
  3. REF3030AIDBZT: SOT-23 package, low-power voltage reference with 3.0V output.

These alternative models offer similar functionality and characteristics to the TLV431BLPRAG, providing options for different design requirements.

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10個與TLV431BLPRAG在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of TLV431BLPRAG:

  1. Q: What is TLV431BLPRAG? A: TLV431BLPRAG is a precision adjustable shunt voltage reference that can be used in various technical solutions.

  2. Q: What is the purpose of TLV431BLPRAG? A: TLV431BLPRAG is primarily used as a voltage reference or regulator in electronic circuits.

  3. Q: What is the voltage range of TLV431BLPRAG? A: The voltage range of TLV431BLPRAG is typically between 1.24V and 6V.

  4. Q: How does TLV431BLPRAG work? A: TLV431BLPRAG works by comparing the input voltage with an internal reference voltage and adjusting its output to maintain a stable voltage.

  5. Q: Can TLV431BLPRAG be used as a voltage regulator? A: Yes, TLV431BLPRAG can be used as a voltage regulator by connecting it in parallel with the load and adjusting the reference voltage accordingly.

  6. Q: What are the typical applications of TLV431BLPRAG? A: TLV431BLPRAG is commonly used in power supplies, battery chargers, audio amplifiers, and other electronic devices requiring precise voltage regulation.

  7. Q: Is TLV431BLPRAG suitable for low-power applications? A: Yes, TLV431BLPRAG is designed for low-power applications and has a low quiescent current consumption.

  8. Q: Can TLV431BLPRAG handle high currents? A: TLV431BLPRAG can handle moderate currents, but for high-current applications, an external transistor or power device may be required.

  9. Q: What is the temperature range of TLV431BLPRAG? A: TLV431BLPRAG typically operates within a temperature range of -40°C to 125°C.

  10. Q: Are there any precautions to consider when using TLV431BLPRAG? A: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive input voltage, and providing adequate decoupling capacitors for stability.

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