ON Semiconductor
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FAN431ZXA
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FAN431ZXA

Product Overview

Category

FAN431ZXA belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator.

Characteristics

  • High accuracy and stability
  • Low temperature coefficient
  • Wide operating voltage range
  • Low dynamic impedance

Package

FAN431ZXA is available in a small surface-mount SOT-23 package.

Essence

The essence of FAN431ZXA lies in its ability to provide a stable reference voltage for various applications.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

  • Reference Voltage: 2.5V
  • Operating Voltage Range: 2.7V to 36V
  • Temperature Coefficient: ±50 ppm/°C
  • Dynamic Impedance: 0.2Ω (typical)
  • Quiescent Current: 60µA (typical)

Detailed Pin Configuration

FAN431ZXA features a three-pin configuration:

  1. Vref: Output voltage pin
  2. Anode: Anode connection for the internal shunt diode
  3. Cathode: Cathode connection for the internal shunt diode

Functional Features

  • Precise voltage reference for accurate regulation
  • Low power consumption
  • Fast response time
  • Built-in short-circuit protection

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure reliable performance.
  • Wide operating voltage range allows for versatile applications.
  • Low temperature coefficient minimizes variations due to temperature changes.
  • Low dynamic impedance enables efficient voltage regulation.

Disadvantages

  • Limited output current capability.
  • Requires external components for specific applications.

Working Principles

FAN431ZXA operates based on the principle of shunt regulation. It utilizes an internal shunt diode to maintain a stable reference voltage regardless of changes in the input voltage or load conditions. By comparing the reference voltage with the desired output voltage, it adjusts the current flow through the shunt diode to regulate the output voltage.

Detailed Application Field Plans

FAN431ZXA finds applications in various fields, including:

  1. Power supply units
  2. Battery charging circuits
  3. Voltage regulators
  4. Precision measurement equipment
  5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to FAN431ZXA are:

  1. TL431
  2. LM4040
  3. REF3030
  4. MAX6126

These models provide comparable precision and stability, catering to different application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan FAN431ZXA dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of FAN431ZXA in technical solutions:

  1. Q: What is FAN431ZXA? A: FAN431ZXA is a voltage reference IC commonly used in technical solutions for precise voltage regulation.

  2. Q: What is the operating voltage range of FAN431ZXA? A: The operating voltage range of FAN431ZXA is typically between 2.5V and 36V.

  3. Q: How does FAN431ZXA provide voltage regulation? A: FAN431ZXA uses a shunt regulator configuration to maintain a stable output voltage regardless of input voltage variations.

  4. Q: What is the output voltage accuracy of FAN431ZXA? A: FAN431ZXA has a high output voltage accuracy of typically ±1%.

  5. Q: Can FAN431ZXA be used in both low and high current applications? A: Yes, FAN431ZXA can be used in both low and high current applications due to its low dynamic impedance.

  6. Q: Is FAN431ZXA suitable for battery-powered applications? A: Yes, FAN431ZXA is suitable for battery-powered applications as it has low quiescent current consumption.

  7. Q: Does FAN431ZXA have built-in protection features? A: Yes, FAN431ZXA includes built-in protection features such as overcurrent and thermal shutdown protection.

  8. Q: Can FAN431ZXA operate in extreme temperature conditions? A: Yes, FAN431ZXA is designed to operate in a wide temperature range, typically from -40°C to +125°C.

  9. Q: What package options are available for FAN431ZXA? A: FAN431ZXA is available in various package options, including SOT-23 and TO-92.

  10. Q: Are there any application notes or reference designs available for FAN431ZXA? A: Yes, the manufacturer provides application notes and reference designs to assist with the implementation of FAN431ZXA in different technical solutions.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's documentation for FAN431ZXA.