ON Semiconductor
Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
TL431BCPG
Se detaljer DataSheets

TL431BCPG

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 TL431BCPG 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 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

  • Precise and stable voltage reference.
  • Adjustable output voltage.
  • Wide range of operating temperatures.
  • Low power consumption.
  • Fast response time.

Disadvantages

  • Limited output current capability.
  • Requires external components for proper operation.
  • Sensitivity to noise and fluctuations in input voltage.

Working Principles

The TL431BCPG is a programmable precision shunt regulator that provides a stable reference voltage. It operates by comparing the reference voltage at the Reference (R) pin with a voltage divider network connected to the Anode (A) and Cathode (K) pins. By adjusting the resistors in the voltage divider, the output voltage can be set to the desired value.

Detailed Application Field Plans

The TL431BCPG is widely used in various applications, including:

  1. Voltage regulation in power supplies.
  2. Battery charging circuits.
  3. Precision measurement equipment.
  4. Audio amplifiers and preamplifiers.
  5. Industrial control systems.
  6. Automotive electronics.
  7. LED lighting applications.

Detailed and Complete Alternative Models

  • TL431ACLP
  • TL431BQDBZR
  • TL431IDBZT
  • TL431ILP
  • TL431IZAP
  • TL431IZT
  • TL431QDBZR
  • TL431QDCKR
  • TL431QDR
  • TL431QDRG4

These alternative models offer similar functionality and characteristics to the TL431BCPG, providing flexibility for different design requirements.

Word count: 301 words

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af TL431BCPG i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of TL431BCPG in technical solutions:

  1. Q: What is TL431BCPG? A: TL431BCPG is a three-terminal adjustable precision shunt regulator commonly used in various technical applications.

  2. Q: What is the purpose of TL431BCPG? A: TL431BCPG is used to provide precise voltage references, voltage regulation, and error amplification in electronic circuits.

  3. Q: How does TL431BCPG work? A: TL431BCPG compares the reference voltage with an external voltage and adjusts its output to maintain a constant voltage difference between the two.

  4. Q: What is the voltage range of TL431BCPG? A: The voltage range of TL431BCPG is typically from 2.5V to 36V, making it suitable for a wide range of applications.

  5. Q: Can TL431BCPG be used as a voltage regulator? A: Yes, TL431BCPG can be used as a voltage regulator by connecting it in a feedback loop with an operational amplifier or transistor.

  6. Q: What are the typical applications of TL431BCPG? A: TL431BCPG is commonly used in power supplies, battery chargers, LED drivers, audio amplifiers, and other circuits requiring voltage regulation.

  7. Q: How accurate is TL431BCPG in voltage regulation? A: TL431BCPG has a high level of accuracy, typically within ±1% of the desired output voltage.

  8. Q: Can TL431BCPG handle high currents? A: TL431BCPG itself can only handle low currents, but it can be used to control the base/gate current of a power transistor to handle higher currents.

  9. Q: Is TL431BCPG suitable for automotive applications? A: Yes, TL431BCPG is commonly used in automotive applications due to its wide voltage range and ability to withstand harsh environments.

  10. Q: Are there any precautions when using TL431BCPG? A: It is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for optimal performance and reliability.

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