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VRE3050BS
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VRE3050BS - English Editing Encyclopedia Entry

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Individually packaged, 1 unit per package

Specifications

  • Input Voltage Range: 4.5V to 30V
  • Output Voltage Range: 1.25V to 28V
  • Dropout Voltage: 0.5V (typical)
  • Output Current: 3A
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Quiescent Current: 10mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The VRE3050BS voltage regulator has three pins:

  1. Input (VIN): This pin is used to connect the input voltage source.
  2. Output (VOUT): This pin provides the regulated output voltage.
  3. Ground (GND): This pin is connected to the ground reference.

Functional Features

  • High precision regulation: The VRE3050BS ensures a stable and accurate output voltage, making it suitable for applications requiring precise voltage levels.
  • Low dropout voltage: With a low dropout voltage of only 0.5V, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • Overcurrent protection: The device incorporates overcurrent protection, safeguarding the load and the regulator from excessive current flow.
  • Thermal shutdown: In case of excessive temperature rise, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High precision regulation ensures accurate voltage output. - Low dropout voltage allows efficient operation with low input-output voltage differentials. - Overcurrent protection safeguards the load and regulator. - Thermal shutdown prevents damage due to excessive temperature.

Disadvantages: - Limited output current of 3A may not be sufficient for high-power applications. - Linear voltage regulators are less efficient compared to switching regulators.

Working Principles

The VRE3050BS is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The excess voltage is dissipated as heat, resulting in lower efficiency compared to switching regulators.

Detailed Application Field Plans

The VRE3050BS can be used in various applications, including but not limited to: 1. Power supplies for microcontrollers and other digital ICs. 2. Battery-powered devices requiring stable voltage levels. 3. Automotive electronics, such as infotainment systems and lighting controls. 4. Industrial control systems and instrumentation. 5. Audio amplifiers and preamplifiers.

Detailed and Complete Alternative Models

  1. LM317: A popular general-purpose adjustable linear voltage regulator.
  2. L7805: Fixed 5V linear voltage regulator commonly used in electronic circuits.
  3. LT1083: High-current adjustable linear voltage regulator suitable for power-hungry applications.
  4. LM1117: Low dropout voltage regulator available in various fixed output voltages.
  5. LM2940: Low dropout voltage regulator with a wide input voltage range.

Note: This list is not exhaustive, and there are many other alternative models available in the market.

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10 pirs û bersivên hevpar ên têkildarî sepana VRE3050BS di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of VRE3050BS in technical solutions:

  1. Q: What is VRE3050BS? A: VRE3050BS is a specific model of voltage regulator and excitation system used in power generation applications.

  2. Q: What is the purpose of VRE3050BS? A: The purpose of VRE3050BS is to regulate and stabilize the output voltage of a generator, ensuring a consistent and reliable power supply.

  3. Q: How does VRE3050BS work? A: VRE3050BS works by continuously monitoring the generator's output voltage and adjusting the excitation current to maintain a desired voltage level.

  4. Q: What are the key features of VRE3050BS? A: Some key features of VRE3050BS include automatic voltage regulation, fast response time, high accuracy, and compatibility with various generator types.

  5. Q: Can VRE3050BS be used with both synchronous and asynchronous generators? A: Yes, VRE3050BS is designed to be compatible with both synchronous and asynchronous generators, making it versatile for different applications.

  6. Q: Is VRE3050BS suitable for low-power applications? A: VRE3050BS is typically used in medium to high-power applications, as it is designed to handle higher voltage and current levels.

  7. Q: Does VRE3050BS have any built-in protection features? A: Yes, VRE3050BS often includes built-in protection features such as overvoltage protection, overcurrent protection, and short circuit protection.

  8. Q: Can VRE3050BS be remotely controlled or monitored? A: Yes, many models of VRE3050BS support remote control and monitoring through communication interfaces such as Modbus or Ethernet.

  9. Q: Are there any specific installation requirements for VRE3050BS? A: VRE3050BS should be installed by qualified technicians following the manufacturer's guidelines, which may include considerations for electrical connections, grounding, and cooling.

  10. Q: Where can I find technical documentation and support for VRE3050BS? A: Technical documentation, including user manuals and application guides, can usually be found on the manufacturer's website. Additionally, the manufacturer or authorized distributors can provide support and assistance with VRE3050BS-related inquiries.