Texas Instruments
Das Bild kann eine Darstellung sein.
Siehe Spezifikationen für Produktdetails.
TL431BIP
Im Detail sehen Datenblätter

TL431BIP

Product Overview

Category

The TL431BIP belongs to the category of voltage references and shunt regulators.

Use

It is commonly used as a precision voltage reference in various electronic circuits.

Characteristics

  • High accuracy
  • Low temperature coefficient
  • Adjustable output voltage
  • Wide operating temperature range

Package

The TL431BIP is available in a small outline integrated circuit (SOIC) package.

Essence

The TL431BIP is an adjustable precision shunt regulator that can be used as a voltage reference or as a voltage regulator.

Packaging/Quantity

The TL431BIP is typically sold in reels or tubes, with a quantity of 250 or 3000 units per reel/tube.

Specifications

  • Reference Voltage: 2.5V to 36V
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage Range: 2.5V to 37V

Detailed Pin Configuration

The TL431BIP 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 the regulated output voltage.

Functional Features

  • Precision voltage reference: The TL431BIP provides a highly accurate and stable reference voltage.
  • Adjustable output voltage: The output voltage can be easily adjusted using external resistors.
  • Low temperature coefficient: The TL431BIP exhibits minimal changes in voltage reference with temperature variations.
  • Overcurrent protection: It includes built-in overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

  • High accuracy and stability
  • Easy to use and adjust
  • Wide operating temperature range
  • Built-in overcurrent protection

Disadvantages

  • Limited output current capacity (up to 100mA)
  • Requires external resistors for voltage adjustment

Working Principles

The TL431BIP operates based on the principle of a shunt regulator. It compares the reference voltage at the Reference pin with the voltage across the external resistor network connected to the Anode and Cathode pins. By adjusting the resistance values, the output voltage can be set to the desired level.

Detailed Application Field Plans

The TL431BIP finds applications in various electronic circuits, including:

  1. Voltage regulators: It is commonly used as a precision voltage reference in voltage regulator circuits.
  2. Switching power supplies: The TL431BIP can be employed as a feedback element to regulate the output voltage in switching power supply designs.
  3. Battery charging systems: It can be utilized to control the charging voltage in battery charging systems.
  4. Audio amplifiers: The TL431BIP can be incorporated into audio amplifier circuits to provide stable bias voltages.

Detailed and Complete Alternative Models

Some alternative models to the TL431BIP include:

  1. TL431AIP: Similar to TL431BIP, but with a lower reference voltage range.
  2. TL431CIP: Similar to TL431BIP, but with a higher reference voltage range.
  3. LM4040: A series of precision voltage references with fixed output voltages.

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

Word count: 430 words

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von TL431BIP in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of TL431BIP:

  1. Q: What is TL431BIP? A: TL431BIP is a three-terminal adjustable precision shunt regulator commonly used in technical solutions.

  2. Q: What is the purpose of TL431BIP? A: TL431BIP is used to provide a stable reference voltage or regulate the output voltage in various electronic circuits.

  3. Q: How does TL431BIP work? A: TL431BIP compares the reference voltage with an external voltage, and adjusts its internal resistance to maintain a constant output voltage.

  4. Q: What is the typical input voltage range for TL431BIP? A: The typical input voltage range for TL431BIP is between 2.5V and 36V.

  5. Q: Can TL431BIP be used as a voltage regulator? A: Yes, TL431BIP can be used as a voltage regulator by connecting it in series with a resistor and a load.

  6. Q: How accurate is the output voltage of TL431BIP? A: The output voltage accuracy of TL431BIP is typically within ±2%.

  7. Q: Can TL431BIP handle high currents? A: No, TL431BIP is not designed to handle high currents. It is typically used for low-power applications.

  8. Q: Can TL431BIP be used in battery charging circuits? A: Yes, TL431BIP can be used in battery charging circuits to regulate the charging voltage.

  9. Q: Is it possible to adjust the output voltage of TL431BIP? A: Yes, the output voltage of TL431BIP can be adjusted by changing the value of the external resistor connected to its reference pin.

  10. Q: Are there any precautions to consider when using TL431BIP? 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 circuit requirements and datasheet specifications.