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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.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SG7805AT-883B dalam penyelesaian teknikal

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.