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SG7805K-883B
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SG7805K-883B

Product Overview

Category

SG7805K-883B belongs to the category of voltage regulators.

Use

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

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Wide input voltage range
  • Thermal shutdown protection
  • Short circuit current limiting

Package

SG7805K-883B is available in a TO-3 package.

Essence

The essence of SG7805K-883B lies in its ability to provide stable and regulated voltage output, ensuring the proper functioning of electronic devices.

Packaging/Quantity

SG7805K-883B is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 7V to 35V
  • Output Voltage: 5V
  • Output Current: Up to 1A
  • Dropout Voltage: 2V (maximum)
  • Operating Temperature Range: -55°C to +125°C

Detailed Pin Configuration

SG7805K-883B has three pins:

  1. Vin (Input): This pin is used to connect the input voltage source.
  2. Vout (Output): The regulated output voltage is obtained from this pin.
  3. GND (Ground): This pin is connected to the ground reference.

Functional Features

  • Voltage Regulation: SG7805K-883B ensures a constant and stable output voltage of 5V, regardless of variations in the input voltage.
  • Thermal Shutdown Protection: In case of excessive temperature, the device automatically shuts down to prevent damage.
  • Short Circuit Current Limiting: It limits the current flow in case of a short circuit, protecting the circuit components.

Advantages and Disadvantages

Advantages

  • High precision voltage regulation ensures accurate and reliable performance.
  • Wide input voltage range allows compatibility with various power sources.
  • Low dropout voltage minimizes power dissipation and improves efficiency.

Disadvantages

  • Limited output current capacity (up to 1A) may not be suitable for high-power applications.
  • The TO-3 package is relatively large, requiring more space on the circuit board.

Working Principles

SG7805K-883B operates based on the principle of a linear voltage regulator. It uses a series pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant despite fluctuations in the input voltage.

Detailed Application Field Plans

SG7805K-883B finds extensive use in various electronic applications, including: - Power supplies for microcontrollers and digital circuits - Battery charging circuits - Audio amplifiers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to SG7805K-883B include: - LM7805: A widely used voltage regulator with similar specifications and characteristics. - MC7805: Another popular choice for voltage regulation in electronic circuits. - UA7805: A reliable alternative offering stable voltage output.

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

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui SG7805K-883B în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of SG7805K-883B in technical solutions:

  1. Q: What is SG7805K-883B? A: SG7805K-883B is a voltage regulator integrated circuit (IC) that provides a fixed 5V output voltage.

  2. Q: What is the maximum input voltage for SG7805K-883B? A: The maximum input voltage for SG7805K-883B is typically around 35V.

  3. Q: Can SG7805K-883B handle high current loads? A: Yes, SG7805K-883B can handle current loads up to 1A.

  4. Q: How does SG7805K-883B regulate the output voltage? A: SG7805K-883B uses a series pass transistor to maintain a constant output voltage regardless of changes in input voltage or load conditions.

  5. Q: Is SG7805K-883B suitable for both AC and DC input voltages? A: Yes, SG7805K-883B can be used with both AC and DC input voltages.

  6. Q: Does SG7805K-883B require any external components for operation? A: Yes, SG7805K-883B requires input and output capacitors for stability and filtering purposes.

  7. Q: Can SG7805K-883B tolerate short circuits or overloads? A: No, SG7805K-883B does not have built-in protection against short circuits or overloads. External protection measures should be implemented.

  8. Q: What is the temperature range for SG7805K-883B? A: SG7805K-883B is designed to operate within a temperature range of -55°C to +125°C.

  9. Q: Can SG7805K-883B be used in automotive applications? A: Yes, SG7805K-883B is suitable for use in automotive applications as it meets the necessary reliability and temperature requirements.

  10. Q: Are there any alternative voltage regulators similar to SG7805K-883B? A: Yes, there are other voltage regulator ICs available in the market that provide similar functionality, such as LM7805 or L78M05.

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