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TL431CPSRG4
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TL431CPSRG4

Product Overview

Category

The TL431CPSRG4 belongs to the category of precision shunt voltage references.

Use

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

Characteristics

  • Precision voltage reference
  • Adjustable output voltage
  • Low dynamic impedance
  • Wide operating temperature range

Package

The TL431CPSRG4 is available in a small SOT-23 package, making it suitable for space-constrained applications.

Essence

The essence of TL431CPSRG4 lies in its ability to provide a stable and accurate reference voltage for precise regulation in electronic circuits.

Packaging/Quantity

The TL431CPSRG4 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Reference Voltage: 2.495V to 36V
  • Operating Temperature Range: -40°C to 125°C
  • Dynamic Output Impedance: 0.22Ω
  • Cathode Current: 1mA to 100mA

Detailed Pin Configuration

The TL431CPSRG4 has three pins: 1. Anode (A) 2. Cathode (K) 3. Reference (R)

Functional Features

  • Precise voltage reference
  • Adjustable output voltage
  • Low temperature coefficient
  • High stability over time

Advantages and Disadvantages

Advantages

  • High precision
  • Wide operating voltage range
  • Small package size
  • Low dynamic impedance

Disadvantages

  • Sensitivity to external noise
  • Limited current handling capability

Working Principles

The TL431CPSRG4 operates by comparing the reference voltage at the cathode pin to an external voltage, adjusting the current flow through the device to maintain a constant output voltage.

Detailed Application Field Plans

The TL431CPSRG4 finds application in various fields including: - Switch-mode power supplies - Battery charging circuits - Voltage regulators - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to TL431CPSRG4 include: - LM4040 - REF02 - ADR431

In conclusion, the TL431CPSRG4 is a versatile precision shunt voltage reference that offers high accuracy and stability, making it suitable for a wide range of electronic applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TL431CPSRG4 i tekniska lösningar

  1. What is TL431CPSRG4?

    • TL431CPSRG4 is a precision programmable reference with specified thermal stability over the automotive temperature range.

  2. What are the typical applications of TL431CPSRG4?

    • TL431CPSRG4 is commonly used in feedback loops for controlling power supplies, as a voltage reference for analog and digital circuits, and as a precision shunt regulator.

  3. How does TL431CPSRG4 work as a voltage reference?

    • TL431CPSRG4 compares a reference voltage to an input voltage and adjusts its output to maintain a constant voltage level.

  4. What are the key features of TL431CPSRG4?

    • The key features include a 2.5-V reference voltage, low dynamic output impedance, and wide operating temperature range.

  5. What are the benefits of using TL431CPSRG4 in power supply applications?

    • TL431CPSRG4 provides precise voltage regulation, improved line and load regulation, and enhanced transient response in power supply designs.

  6. How can TL431CPSRG4 be used in battery charging circuits?

    • TL431CPSRG4 can be employed to regulate the charging voltage and current in battery charging circuits, ensuring safe and efficient charging.

  7. What are the design considerations when using TL431CPSRG4 in feedback control loops?

    • Designers need to consider stability, loop compensation, and noise immunity when integrating TL431CPSRG4 in feedback control loops.

  8. Can TL431CPSRG4 be used in automotive electronics?

    • Yes, TL431CPSRG4 is suitable for automotive applications due to its specified thermal stability over the automotive temperature range.

  9. What are the typical output voltage options for TL431CPSRG4?

    • TL431CPSRG4 is available with various output voltage options, such as 2.5 V, 1.24 V, and other custom voltage levels.

  10. Are there any specific layout or PCB design guidelines for using TL431CPSRG4?

    • It's important to follow recommended layout and PCB design guidelines to minimize noise, ensure stability, and optimize performance when using TL431CPSRG4 in technical solutions.