Microsemi Corporation
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SG7805AT-883B
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SG7805AT-883B

Product Overview

Category

SG7805AT-883B belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

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

Package

SG7805AT-883B comes in a TO-220 package.

Essence

The essence of SG7805AT-883B lies in its ability to provide a stable and regulated output voltage, regardless of fluctuations in the input voltage.

Packaging/Quantity

SG7805AT-883B is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

  • Input Voltage Range: 7V - 25V
  • Output Voltage: 5V
  • Output Current: Up to 1A
  • Dropout Voltage: 2V (maximum)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

SG7805AT-883B has three pins:

  1. Vin (Input): This pin is connected to 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: SG7805AT-883B ensures a constant output voltage of 5V, even when the input voltage varies.
  • Thermal Shutdown Protection: It incorporates a thermal shutdown mechanism that prevents overheating and damage to the device.
  • Short Circuit Protection: In case of a short circuit, the regulator shuts down to protect the circuitry.

Advantages and Disadvantages

Advantages

  • High precision voltage regulation ensures stable performance of electronic circuits.
  • Wide input voltage range allows compatibility with various power sources.
  • Thermal shutdown and short circuit protection enhance the reliability and safety of the device.

Disadvantages

  • Dropout voltage of 2V may limit its use in low voltage applications.
  • Limited output current capacity of 1A may not be sufficient for high-power circuits.

Working Principles

SG7805AT-883B operates on the principle of a linear voltage regulator. It uses a series pass transistor to regulate the output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

SG7805AT-883B finds extensive application in various electronic devices and systems, including: - Power supplies - Audio amplifiers - Microcontroller circuits - Battery charging circuits - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for SG7805AT-883B include: - LM7805 - MC7805 - UA7805 - L78M05

These alternatives offer similar voltage regulation capabilities and are widely available in the market.

In conclusion, SG7805AT-883B is a voltage regulator that provides stable and regulated output voltage in electronic circuits. Its high precision, thermal shutdown protection, and short circuit protection make it a reliable choice for various applications. However, limitations such as dropout voltage and output current capacity should be considered when selecting this device.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SG7805AT-883B en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SG7805AT-883B in technical solutions:

  1. Q: What is SG7805AT-883B? A: SG7805AT-883B is a voltage regulator IC that provides a fixed 5V output voltage.

  2. Q: What is the input voltage range for SG7805AT-883B? A: The input voltage range for SG7805AT-883B is typically between 7V and 35V.

  3. Q: Can SG7805AT-883B handle high current loads? A: Yes, SG7805AT-883B can handle current loads up to 1A.

  4. Q: How does SG7805AT-883B regulate the output voltage? A: SG7805AT-883B uses a series pass transistor to maintain a constant 5V output voltage.

  5. Q: Is SG7805AT-883B suitable for automotive applications? A: Yes, SG7805AT-883B is designed to operate in harsh environments, making it suitable for automotive applications.

  6. Q: Does SG7805AT-883B require any external components for operation? A: Yes, SG7805AT-883B requires input and output capacitors for stability and filtering.

  7. Q: Can SG7805AT-883B tolerate short circuits or overloads? A: No, SG7805AT-883B does not have built-in protection against short circuits or overloads. External protection circuitry may be required.

  8. Q: What is the typical dropout voltage of SG7805AT-883B? A: The typical dropout voltage of SG7805AT-883B is around 2V.

  9. Q: Can SG7805AT-883B operate in a wide temperature range? A: Yes, SG7805AT-883B is designed to operate in a wide temperature range, typically from -55°C to +125°C.

  10. Q: Are there any alternatives to SG7805AT-883B for voltage regulation? A: Yes, there are other voltage regulator ICs available in the market, such as LM7805 or LT7805, which can be used as alternatives to SG7805AT-883B.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of SG7805AT-883B.