Diodes Incorporated
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AZ2940S-3.3TRE1
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AZ2940S-3.3TRE1

Product Overview

Category

AZ2940S-3.3TRE1 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Package: TO-263-2 (D2PAK)
  • Essence: Low dropout linear regulator
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

The specifications of AZ2940S-3.3TRE1 are as follows:

  • Output Voltage: 3.3V
  • Input Voltage Range: 4.5V to 26V
  • Dropout Voltage: 0.6V (typical) at 1A load current
  • Maximum Output Current: 1A
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Quiescent Current: 10mA (typical)

Detailed Pin Configuration

AZ2940S-3.3TRE1 has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

The functional features of AZ2940S-3.3TRE1 include:

  • Low dropout voltage, enabling efficient regulation even with small input-output differentials.
  • Overcurrent and thermal protection, ensuring safe operation under various conditions.
  • Fast transient response, allowing for quick stabilization of the output voltage.
  • Wide input voltage range, making it suitable for a variety of applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in higher efficiency. - Overcurrent and thermal protection enhance safety. - Fast transient response ensures stable output voltage. - Wide input voltage range increases versatility.

Disadvantages: - Limited maximum output current of 1A may not be sufficient for high-power applications. - Quiescent current of 10mA may consume more power in standby mode compared to other regulators.

Working Principles

AZ2940S-3.3TRE1 operates based on the principle of linear regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The dropout voltage is minimized, allowing for efficient voltage regulation even with small input-output differentials.

Detailed Application Field Plans

AZ2940S-3.3TRE1 finds applications in various electronic systems, including but not limited to:

  1. Power supplies for microcontrollers and digital circuits.
  2. Battery-powered devices requiring stable voltage regulation.
  3. Automotive electronics, such as infotainment systems and engine control units.
  4. Industrial control systems and automation equipment.
  5. Communication devices, such as routers and modems.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AZ2940S-3.3TRE1 are:

  1. LM1117-3.3: A popular low dropout voltage regulator with similar specifications.
  2. LT1763-3.3: A high-performance linear regulator suitable for demanding applications.
  3. TPS7A3301: An ultra-low dropout voltage regulator with excellent line and load regulation.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AZ2940S-3.3TRE1 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AZ2940S-3.3TRE1 in technical solutions:

Q1: What is AZ2940S-3.3TRE1? A1: AZ2940S-3.3TRE1 is a specific model of voltage regulator IC (integrated circuit) that provides a fixed output voltage of 3.3V.

Q2: What are the typical applications of AZ2940S-3.3TRE1? A2: AZ2940S-3.3TRE1 is commonly used in various electronic devices and systems where a stable 3.3V power supply is required, such as microcontrollers, sensors, and low-power digital circuits.

Q3: What is the input voltage range for AZ2940S-3.3TRE1? A3: The input voltage range for AZ2940S-3.3TRE1 is typically between 4.5V and 26V.

Q4: What is the maximum output current of AZ2940S-3.3TRE1? A4: The maximum output current of AZ2940S-3.3TRE1 is 1A (ampere).

Q5: Does AZ2940S-3.3TRE1 require any external components for operation? A5: Yes, AZ2940S-3.3TRE1 requires a few external components like capacitors and resistors for proper operation and stability. The datasheet provides recommended values and circuit configurations.

Q6: Can AZ2940S-3.3TRE1 handle overcurrent or short-circuit conditions? A6: Yes, AZ2940S-3.3TRE1 has built-in protection features like current limiting and thermal shutdown to handle overcurrent or short-circuit conditions.

Q7: What is the operating temperature range of AZ2940S-3.3TRE1? A7: The operating temperature range of AZ2940S-3.3TRE1 is typically between -40°C and +125°C.

Q8: Is AZ2940S-3.3TRE1 available in different package options? A8: Yes, AZ2940S-3.3TRE1 is available in various package options like TO-252, TO-263, and SOT-223, allowing flexibility in PCB (printed circuit board) design.

Q9: Can AZ2940S-3.3TRE1 be used in battery-powered applications? A9: Yes, AZ2940S-3.3TRE1 can be used in battery-powered applications as it has a low dropout voltage, enabling efficient operation even with lower input voltages.

Q10: Are there any specific precautions to consider when using AZ2940S-3.3TRE1? A10: It is important to follow the manufacturer's guidelines and datasheet recommendations for proper usage, including input/output capacitor selection, thermal considerations, and PCB layout guidelines to ensure optimal performance and reliability.