Texas Instruments
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LM431AIBPX
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LM431AIBPX

Product Overview

LM431AIBPX belongs to the category of voltage references. It is commonly used in electronic circuits to provide a stable reference voltage. The LM431AIBPX features high precision, low temperature coefficient, and low dynamic impedance. It comes in a small SOT-23 package and is available in tape and reel packaging.

Basic Information

  • Category: Voltage Reference
  • Use: Providing stable reference voltage in electronic circuits
  • Characteristics: High precision, low temperature coefficient, low dynamic impedance
  • Package: SOT-23
  • Essence: Stable reference voltage source
  • Packaging/Quantity: Tape and reel packaging

Specifications

  • Reference Voltage: 2.495V to 36V
  • Operating Current: 1mA to 100mA
  • Temperature Range: -40°C to 125°C
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%

Detailed Pin Configuration

The LM431AIBPX has three pins: 1. Cathode (K): Connected to the load and provides the reference voltage. 2. Anode (A): Connected to the control terminal for setting the reference voltage. 3. Reference (R): Internal reference node.

Functional Features

  • Provides a stable reference voltage over a wide range of operating conditions.
  • Low dynamic impedance ensures stability in varying load conditions.
  • Adjustable reference voltage through the control terminal.

Advantages and Disadvantages

Advantages

  • High precision and low temperature coefficient.
  • Small package size for space-constrained applications.
  • Wide operating voltage and temperature range.

Disadvantages

  • Limited current handling capability compared to some other voltage references.
  • Sensitive to noise and external interference in certain applications.

Working Principles

The LM431AIBPX operates by comparing the voltage at the control terminal with the internal reference voltage. It adjusts the cathode voltage to maintain a stable reference voltage at the anode.

Detailed Application Field Plans

The LM431AIBPX finds applications in various fields such as: - Precision voltage regulators - Battery management systems - Switch-mode power supplies - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to LM431AIBPX include: - TL431BQDBZR: Similar voltage reference with adjustable output. - REF02AP: Precision voltage reference with higher output current capability. - LT1461ACS8-5: Low dropout voltage reference with high accuracy.

In conclusion, the LM431AIBPX is a versatile voltage reference device with high precision and stability, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM431AIBPX v technických řešeních

  1. What is the LM431AIBPX?

    • The LM431AIBPX is a programmable shunt voltage reference that can be used in various applications such as precision voltage regulation and overvoltage protection.

  2. What is the operating voltage range of LM431AIBPX?

    • The operating voltage range of LM431AIBPX is typically from 2.5V to 36V.

  3. How does LM431AIBPX work as a voltage reference?

    • LM431AIBPX works by comparing the input voltage with an internal reference voltage and then adjusting the output to maintain a constant voltage.

  4. What are the typical applications of LM431AIBPX?

    • Typical applications include voltage regulation, error amplifiers, overvoltage protection circuits, and precision current sources.

  5. What is the output voltage accuracy of LM431AIBPX?

    • The output voltage accuracy is typically within ±1%.

  6. Can LM431AIBPX be used for battery charging applications?

    • Yes, LM431AIBPX can be used in battery charging applications to provide precise voltage regulation and overvoltage protection.

  7. What are the key features of LM431AIBPX?

    • Key features include low dynamic impedance, wide operating voltage range, and adjustable output voltage.

  8. How is LM431AIBPX different from other voltage references?

    • LM431AIBPX offers programmable output voltage, which allows for flexibility in various applications compared to fixed voltage references.

  9. What are the temperature specifications for LM431AIBPX?

    • The operating temperature range is typically from -40°C to 125°C, making it suitable for a wide range of environments.

  10. Can LM431AIBPX be used in automotive electronics?

    • Yes, LM431AIBPX is suitable for automotive electronics due to its wide operating temperature range and overvoltage protection capabilities.