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ATL431AIDBZR
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ATL431AIDBZR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Output Noise - High Accuracy - Low Temperature Drift - Wide Operating Voltage Range

Package: SOT-23-3

Essence: The ATL431AIDBZR is an adjustable precision shunt regulator that provides a stable reference voltage. It is commonly used in various electronic circuits to maintain a constant voltage level.

Packaging/Quantity: The ATL431AIDBZR is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Reference Voltage Range: 2.495V to 36V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50ppm/°C
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 60µA

Detailed Pin Configuration

The ATL431AIDBZR has three pins:

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

Functional Features

  • Adjustable Output Voltage: The output voltage of the ATL431AIDBZR can be adjusted by connecting external resistors.
  • Overcurrent Protection: The device includes built-in overcurrent protection to prevent damage to the circuit.
  • Low Power Consumption: The quiescent current of only 60µA makes it suitable for low-power applications.
  • Fast Response Time: The ATL431AIDBZR has a fast response time, enabling quick regulation of the output voltage.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Wide operating voltage range - Low temperature drift - Small package size

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

Working Principles

The ATL431AIDBZR works as a shunt regulator by comparing the reference voltage at the Reference (R) pin with the voltage across the Anode (A) and Cathode (K) pins. It adjusts the current flowing through the device to maintain a constant voltage drop across the reference pin.

Detailed Application Field Plans

The ATL431AIDBZR is widely used in various applications, including:

  1. Voltage Regulation: It can be used to provide a stable reference voltage for voltage regulators in power supplies.
  2. Battery Charging: The device can be employed in battery charging circuits to maintain a constant charging voltage.
  3. Temperature Sensors: It is utilized in temperature sensor circuits to generate a precise reference voltage for accurate temperature measurements.
  4. Audio Amplifiers: The ATL431AIDBZR can be used in audio amplifier circuits to provide a stable bias voltage.

Detailed and Complete Alternative Models

Some alternative models to the ATL431AIDBZR include:

  1. TL431: Similar adjustable precision shunt regulator with different package options.
  2. LM4040: Precision voltage reference with fixed output voltage options.
  3. LT1236: Ultra-high precision shunt voltage reference with low temperature drift.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan ATL431AIDBZR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of ATL431AIDBZR in technical solutions:

  1. Q: What is the ATL431AIDBZR? A: The ATL431AIDBZR is a precision shunt regulator that provides a stable voltage reference.

  2. Q: What is the voltage range of the ATL431AIDBZR? A: The ATL431AIDBZR operates within a voltage range of 2.5V to 36V.

  3. Q: How does the ATL431AIDBZR work? A: The ATL431AIDBZR compares the reference voltage with an external voltage and adjusts its output to maintain a constant voltage difference.

  4. Q: What are the typical applications of the ATL431AIDBZR? A: The ATL431AIDBZR is commonly used in power supplies, battery chargers, voltage regulators, and other precision voltage control applications.

  5. Q: What is the accuracy of the ATL431AIDBZR? A: The ATL431AIDBZR has a high accuracy with a typical tolerance of ±0.5%.

  6. Q: Can the ATL431AIDBZR handle high currents? A: No, the ATL431AIDBZR is not designed for high current applications. It is typically used for low to moderate current requirements.

  7. Q: Does the ATL431AIDBZR require any external components? A: Yes, the ATL431AIDBZR requires an external resistor divider network to set the desired output voltage.

  8. Q: What is the temperature range of the ATL431AIDBZR? A: The ATL431AIDBZR can operate within a temperature range of -40°C to +125°C.

  9. Q: Can the ATL431AIDBZR be used in automotive applications? A: Yes, the ATL431AIDBZR is suitable for automotive applications as it meets the necessary standards and has a wide temperature range.

  10. Q: Is the ATL431AIDBZR available in different package options? A: Yes, the ATL431AIDBZR is available in various package options such as SOT-23, SOIC, and TO-92, providing flexibility for different PCB layouts and designs.

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