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LMV431AIMFX/NOPB
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LMV431AIMFX/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage reference - Adjustable output voltage - High accuracy and stability - Low quiescent current - Wide operating temperature range

Package: SOT-23-3

Essence: The LMV431AIMFX/NOPB is a precision, low voltage shunt regulator. It is designed to provide a stable reference voltage for various applications.

Packaging/Quantity: The LMV431AIMFX/NOPB is available in tape and reel packaging with 3000 units per reel.

Specifications

  • Reference Voltage Range: 1.24V to 6.5V
  • Initial Accuracy: ±1%
  • Temperature Coefficient: 50ppm/°C
  • Quiescent Current: 80µA
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMV431AIMFX/NOPB has three pins:

  1. Anode (A): Connected to the positive supply voltage.
  2. Cathode (K): Connected to the load or ground.
  3. Reference (REF): Provides the stable reference voltage.

Functional Features

  • Adjustable Output Voltage: The LMV431AIMFX/NOPB allows the user to set the desired output voltage within the specified range.
  • High Accuracy and Stability: The initial accuracy of ±1% ensures precise voltage regulation, while the low temperature coefficient of 50ppm/°C maintains stability over a wide temperature range.
  • Low Quiescent Current: With a quiescent current of only 80µA, the LMV431AIMFX/NOPB minimizes power consumption.
  • Wide Operating Temperature Range: The device can operate reliably in temperatures ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Low power consumption - Wide operating temperature range - Adjustable output voltage

Disadvantages: - Limited output current capability - Requires external resistors for precise voltage setting

Working Principles

The LMV431AIMFX/NOPB operates as a shunt regulator. It compares the reference voltage at the REF pin with the voltage across the resistor connected between the Anode and Cathode pins. By adjusting this resistor, the desired output voltage can be set. The LMV431AIMFX/NOPB then regulates the voltage across the Cathode pin to match the reference voltage.

Detailed Application Field Plans

The LMV431AIMFX/NOPB is commonly used in various applications, including:

  1. Voltage Regulation: It can be used as a precision voltage reference in power supplies, battery chargers, and voltage regulators.
  2. Temperature Sensors: The LMV431AIMFX/NOPB can be employed as a temperature sensor by utilizing its temperature coefficient to measure temperature variations.
  3. Current Limiting: It can be utilized as a current limiter to protect sensitive components from excessive current flow.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LMV431AIMFX/NOPB are:

  1. TL431: A popular shunt regulator with adjustable output voltage and similar specifications.
  2. LT1009: Precision reference voltage source with low temperature coefficient and high accuracy.
  3. MAX6001: Ultra-low-power voltage reference with adjustable output voltage and excellent stability.

These alternative models can be considered based on specific application requirements and availability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LMV431AIMFX/NOPB dalam penyelesaian teknikal

  1. What is the typical application of LMV431AIMFX/NOPB?
    - The LMV431AIMFX/NOPB is commonly used as a voltage reference in various technical solutions.

  2. How does LMV431AIMFX/NOPB contribute to precision voltage regulation?
    - It provides a stable voltage reference for precise regulation in electronic circuits.

  3. Can LMV431AIMFX/NOPB be used in battery management systems?
    - Yes, it can be utilized in battery management systems to provide accurate voltage monitoring.

  4. Is LMV431AIMFX/NOPB suitable for use in power supply designs?
    - Absolutely, it is often integrated into power supply designs for voltage regulation and control.

  5. What are the key features of LMV431AIMFX/NOPB that make it suitable for technical solutions?
    - Its low voltage operation, high accuracy, and low quiescent current make it ideal for various applications.

  6. In what types of industrial equipment can LMV431AIMFX/NOPB be found?
    - It is commonly found in industrial equipment such as instrumentation, control systems, and sensor interfaces.

  7. Does LMV431AIMFX/NOPB have built-in protection features?
    - Yes, it typically includes overcurrent and overtemperature protection for added reliability.

  8. Can LMV431AIMFX/NOPB be used in automotive electronics?
    - Yes, it is suitable for automotive applications where precise voltage references are required.

  9. How does LMV431AIMFX/NOPB contribute to energy efficiency in electronic devices?
    - By providing accurate voltage references, it helps optimize power usage and improve overall energy efficiency.

  10. Are there any specific design considerations when using LMV431AIMFX/NOPB in technical solutions?
    - It's important to consider input voltage range, load capacitance, and temperature requirements to ensure optimal performance in the intended application.