Diodes Incorporated
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AP431AYL-13
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AP431AYL-13

Product Overview

Category

AP431AYL-13 belongs to the category of voltage references.

Use

It is primarily used as a precision shunt regulator for various applications.

Characteristics

  • High accuracy and stability
  • Low temperature coefficient
  • Wide operating voltage range
  • Adjustable output voltage
  • Low quiescent current

Package

AP431AYL-13 is available in a small SOT-23 package, which is suitable for surface mount applications.

Essence

The essence of AP431AYL-13 lies in its ability to provide a stable reference voltage for precise regulation in electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging. The quantity per reel is usually 3000 units.

Specifications

  • Reference Voltage: 2.5V
  • Operating Voltage Range: 2.5V to 36V
  • Quiescent Current: 80µA (typical)
  • Temperature Coefficient: ±50ppm/°C (maximum)
  • Output Current: 100mA (maximum)

Detailed Pin Configuration

AP431AYL-13 has three pins:

  1. Cathode (K): Connected to the ground or negative terminal.
  2. Anode (A): Connected to the positive terminal or input voltage.
  3. Reference (R): Provides the stable reference voltage.

Functional Features

  • Precision voltage reference
  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Low dropout voltage
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • High accuracy and stability ensure precise regulation.
  • Wide operating voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility.
  • Low quiescent current minimizes power consumption.
  • Small package size enables space-saving designs.

Disadvantages

  • Limited output current may restrict certain high-power applications.
  • Temperature coefficient could affect performance in extreme temperature conditions.

Working Principles

AP431AYL-13 operates as a shunt regulator by comparing the reference voltage with an external voltage divider network. It adjusts the current flowing through the shunt resistor to maintain a stable output voltage.

Detailed Application Field Plans

AP431AYL-13 finds applications in various fields, including:

  1. Power supply circuits: Provides precise voltage regulation for stable power delivery.
  2. Battery charging systems: Ensures accurate charging voltage control.
  3. Audio amplifiers: Maintains consistent biasing voltage for improved audio quality.
  4. Industrial control systems: Offers reliable voltage references for precise measurements.
  5. Automotive electronics: Supports voltage regulation in automotive applications.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AP431AYL-13 are:

  1. TL431: A widely used adjustable precision shunt regulator.
  2. LM4040: A series of precision voltage references with different fixed output voltages.
  3. REF3030: A low-power, high-precision voltage reference suitable for portable devices.

These alternative models provide similar functionality and can be chosen based on specific requirements and availability.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af AP431AYL-13 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of AP431AYL-13 in technical solutions:

  1. Q: What is AP431AYL-13? A: AP431AYL-13 is a voltage reference IC (integrated circuit) commonly used in technical solutions for precise voltage regulation.

  2. Q: What is the typical operating voltage range of AP431AYL-13? A: The typical operating voltage range of AP431AYL-13 is from 2.5V to 36V.

  3. Q: How does AP431AYL-13 help in voltage regulation? A: AP431AYL-13 provides a stable reference voltage that can be compared with an input voltage, allowing for accurate regulation and control of output voltage levels.

  4. Q: Can AP431AYL-13 be used in battery-powered applications? A: Yes, AP431AYL-13 can be used in battery-powered applications as it operates within a wide voltage range and has low power consumption.

  5. Q: What are some common technical solutions where AP431AYL-13 is used? A: AP431AYL-13 is commonly used in power supplies, battery chargers, LED drivers, and other applications requiring precise voltage regulation.

  6. Q: Does AP431AYL-13 have built-in protection features? A: Yes, AP431AYL-13 includes built-in protection features such as overcurrent protection and thermal shutdown to ensure safe operation.

  7. Q: Can AP431AYL-13 be used in high-temperature environments? A: Yes, AP431AYL-13 is designed to operate reliably in high-temperature environments, typically up to 125°C.

  8. Q: Is AP431AYL-13 compatible with both analog and digital circuits? A: Yes, AP431AYL-13 can be used in both analog and digital circuits as it provides a stable reference voltage for precise regulation.

  9. Q: What is the output voltage accuracy of AP431AYL-13? A: The output voltage accuracy of AP431AYL-13 is typically within ±2%.

  10. Q: Can multiple AP431AYL-13 ICs be used together for higher precision? A: Yes, multiple AP431AYL-13 ICs can be used together to achieve higher precision by cascading their outputs or using them in parallel.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.