ON Semiconductor
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
TL431BVDG
Lihat Butiran Helaian data

TL431BVDG

Product Overview

Category

TL431BVDG belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

  • TL431BVDG is a three-terminal adjustable precision shunt regulator.
  • It operates over a wide current range from 1mA to 100mA.
  • The device has a typical output voltage tolerance of ±0.5% at 25°C.
  • TL431BVDG offers low dynamic output impedance, ensuring stable regulation under varying load conditions.
  • It exhibits low temperature coefficient, providing reliable performance across different operating temperatures.

Package

TL431BVDG is available in a small outline package (SOT-23) which facilitates easy integration into compact circuit designs.

Essence

The essence of TL431BVDG lies in its ability to provide precise and stable voltage references for accurate regulation in electronic systems.

Packaging/Quantity

TL431BVDG is typically packaged in reels containing 3000 units per reel.

Specifications

  • Output Voltage Range: 2.5V to 36V
  • Reference Voltage Tolerance: ±0.5%
  • Operating Current Range: 1mA to 100mA
  • Temperature Coefficient: 50ppm/°C
  • Maximum Cathode Current: 150mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

TL431BVDG features three pins: 1. Anode (A): Connected to the positive supply voltage. 2. Cathode (K): Connected to the load or ground. 3. Reference (R): Provides the regulated output voltage.

Functional Features

  • TL431BVDG acts as a voltage reference and maintains a constant output voltage regardless of input variations.
  • It can be used as a voltage regulator, voltage monitor, or error amplifier in various applications.
  • The device offers excellent line and load regulation characteristics.
  • TL431BVDG has a low output impedance, ensuring stability under varying load conditions.

Advantages and Disadvantages

Advantages

  • Precise and stable voltage reference.
  • Wide operating current range.
  • Low temperature coefficient.
  • Small package size for easy integration.

Disadvantages

  • Limited maximum cathode current capacity.
  • Requires external components for complete circuit implementation.

Working Principles

TL431BVDG operates based on the principle of a shunt regulator. It compares the reference voltage at the Reference (R) pin with the feedback voltage from the load. By adjusting the current flowing through the internal resistors, it regulates the output voltage to maintain a constant value.

Detailed Application Field Plans

TL431BVDG finds applications in various fields, including: 1. Power supplies: Used as a voltage regulator to ensure stable output voltages. 2. Battery charging circuits: Provides precise voltage references for accurate charging control. 3. Audio amplifiers: Utilized as an error amplifier to maintain consistent audio signal levels. 4. Industrial control systems: Used for voltage monitoring and regulation in control circuits.

Detailed and Complete Alternative Models

Some alternative models to TL431BVDG include: 1. TL431ACLP 2. TL431AQDBZR 3. TL431BIDBZT 4. TL431CDBVR 5. TL431CDR2G

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

Word count: 511 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TL431BVDG dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TL431BVDG:

  1. Q: What is TL431BVDG? A: TL431BVDG is a programmable precision voltage reference that can be used in various technical solutions.

  2. Q: What is the typical operating voltage range of TL431BVDG? A: The typical operating voltage range of TL431BVDG is from 2.5V to 36V.

  3. Q: How does TL431BVDG work? A: TL431BVDG operates as a shunt regulator, comparing the reference voltage with an external voltage source to regulate the output.

  4. Q: Can TL431BVDG be used as a voltage regulator? A: Yes, TL431BVDG can be used as a voltage regulator by connecting it in a feedback loop with an external transistor or MOSFET.

  5. Q: What is the purpose of the adjustable reference pin (ADJ) on TL431BVDG? A: The ADJ pin allows for the adjustment of the output voltage within the specified range.

  6. Q: Is TL431BVDG suitable for precision applications? A: Yes, TL431BVDG is designed for precision applications due to its low output voltage tolerance and temperature stability.

  7. Q: Can TL431BVDG be used in switching power supplies? A: Yes, TL431BVDG can be used in switching power supplies as a feedback element to regulate the output voltage.

  8. Q: What is the maximum current TL431BVDG can sink or source? A: TL431BVDG can typically sink or source up to 100mA of current.

  9. Q: Are there any specific precautions to consider when using TL431BVDG? A: Yes, it is important to ensure proper decoupling and stability compensation for stable operation of TL431BVDG.

  10. Q: Can TL431BVDG be used in automotive applications? A: Yes, TL431BVDG is suitable for automotive applications as it meets the necessary requirements for automotive environments.

Please note that these answers are general and may vary depending on the specific application and circuit design.