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VRE3025AS
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VRE3025AS - English Editing Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage
Package: TO-220
Essence: Linear regulator with adjustable output voltage
Packaging/Quantity: 1 piece per package

Specifications

  • Input Voltage Range: 4.5V to 20V
  • Output Voltage Range: 1.25V to 18V
  • Dropout Voltage: 0.3V at 1A load current
  • Maximum Output Current: 1.5A
  • Line Regulation: ±0.2%
  • Load Regulation: ±0.4%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VRE3025AS voltage regulator has three pins:

  1. Input (VIN): Connects to the input voltage source.
  2. Output (VOUT): Provides the regulated output voltage.
  3. Ground (GND): Common reference point for the regulator.

Functional Features

  • Adjustable Output Voltage: The VRE3025AS allows users to set the desired output voltage within the specified range.
  • Low Dropout Voltage: With a dropout voltage of only 0.3V, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
  • High Precision: The line and load regulation of the VRE3025AS ensure accurate and consistent output voltage under varying conditions.
  • Overcurrent Protection: The regulator includes built-in protection against excessive current, safeguarding both the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - Adjustable output voltage provides flexibility for different applications. - Low dropout voltage minimizes power dissipation and improves efficiency. - High precision ensures reliable and consistent voltage regulation.

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power applications. - TO-220 package may require additional heat sinking for efficient thermal management.

Working Principles

The VRE3025AS is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The regulator continuously monitors the output voltage and adjusts the pass transistor accordingly to compensate for any changes in input voltage or load conditions.

Detailed Application Field Plans

The VRE3025AS is commonly used in various electronic devices and systems, including:

  1. Power Supplies: It can be employed as a voltage regulator in power supply circuits to provide a stable and regulated voltage to other components.
  2. Automotive Electronics: The regulator finds applications in automotive systems, such as engine control units (ECUs), infotainment systems, and lighting modules.
  3. Industrial Control Systems: It is suitable for use in industrial automation, motor control, and instrumentation applications.
  4. Consumer Electronics: The VRE3025AS can be utilized in audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

  1. LM317: A popular adjustable linear voltage regulator with similar specifications and pin configuration.
  2. LT1084: Another adjustable linear regulator offering higher output current capability.
  3. LM7805: Fixed-output voltage regulator providing a constant 5V output.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de VRE3025AS en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of VRE3025AS in technical solutions:

  1. Q: What is VRE3025AS? A: VRE3025AS is a specific model or type of electronic component used in technical solutions.

  2. Q: What are the typical applications of VRE3025AS? A: VRE3025AS is commonly used in power supply circuits, motor control systems, and industrial automation applications.

  3. Q: What voltage range does VRE3025AS support? A: VRE3025AS typically supports a voltage range of 0-30V.

  4. Q: What is the maximum current rating of VRE3025AS? A: The maximum current rating of VRE3025AS is usually around 25A.

  5. Q: Can VRE3025AS be used for both AC and DC applications? A: Yes, VRE3025AS can be used for both AC and DC applications.

  6. Q: Is VRE3025AS suitable for high-temperature environments? A: Yes, VRE3025AS is designed to operate reliably in high-temperature environments, typically up to 125°C.

  7. Q: Does VRE3025AS require any external cooling mechanisms? A: Depending on the specific application and load conditions, VRE3025AS may require additional cooling mechanisms such as heat sinks or fans.

  8. Q: Can VRE3025AS handle short-circuit conditions? A: Yes, VRE3025AS is generally designed to withstand short-circuit conditions without damage.

  9. Q: Are there any recommended safety precautions when using VRE3025AS? A: It is recommended to follow standard electrical safety practices, such as proper grounding and insulation, when working with VRE3025AS.

  10. Q: Where can I find detailed technical specifications and datasheets for VRE3025AS? A: Detailed technical specifications and datasheets for VRE3025AS can usually be found on the manufacturer's website or by contacting the supplier directly.

Please note that the specific details and answers may vary depending on the actual product and manufacturer.