Microsemi Corporation
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SG7805AK-883B
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SG7805AK-883B

Product Overview

Category

SG7805AK-883B belongs to the category of voltage regulators.

Use

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

Characteristics

  • Voltage regulation capability
  • High reliability
  • Wide operating temperature range
  • Military-grade quality

Package

SG7805AK-883B comes in a TO-3 package, which provides excellent thermal dissipation properties.

Essence

The essence of SG7805AK-883B lies in its ability to maintain a constant output voltage despite fluctuations in input voltage or load conditions.

Packaging/Quantity

Each package of SG7805AK-883B contains one unit of the voltage regulator.

Specifications

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

Detailed Pin Configuration

SG7805AK-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: SG7805AK-883B ensures a stable output voltage of 5V regardless of input voltage variations.
  • Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
  • Thermal Protection: The device includes thermal shutdown protection to prevent damage due to overheating.
  • Short Circuit Protection: SG7805AK-883B is designed to withstand short circuit conditions without causing any harm.

Advantages and Disadvantages

Advantages

  • High reliability and durability
  • Wide operating temperature range makes it suitable for harsh environments
  • Excellent voltage regulation performance
  • Military-grade quality ensures long-term stability

Disadvantages

  • Limited maximum output current of 1A
  • Dropout voltage of 2V may not be suitable for low-power applications

Working Principles

SG7805AK-883B operates on the principle of a linear voltage regulator. It uses a series pass transistor to regulate the output voltage. The input voltage is compared with a reference voltage, and the difference is adjusted by controlling the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

SG7805AK-883B finds extensive application in various electronic systems, including: - Power supplies - Automotive electronics - Industrial control systems - Aerospace and defense equipment - Telecommunications devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SG7805AK-883B are: - LM7805: A widely used general-purpose voltage regulator. - LT1084: A high-current, low-dropout voltage regulator. - ADP3339: A precision voltage regulator with low dropout voltage.

These alternative models offer similar functionality and can be chosen based on specific requirements and availability.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SG7805AK-883B en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SG7805AK-883B in technical solutions:

  1. Q: What is SG7805AK-883B? A: SG7805AK-883B is a voltage regulator IC that provides a fixed output voltage of +5V.

  2. Q: What is the maximum input voltage for SG7805AK-883B? A: The maximum input voltage for SG7805AK-883B is typically around +35V.

  3. Q: Can SG7805AK-883B handle high current loads? A: Yes, SG7805AK-883B can handle current loads up to 1A.

  4. Q: How does SG7805AK-883B regulate the output voltage? A: SG7805AK-883B uses a series pass transistor to maintain a constant output voltage regardless of changes in input voltage or load conditions.

  5. Q: Is SG7805AK-883B suitable for both AC and DC input voltages? A: Yes, SG7805AK-883B can be used with both AC and DC input voltages.

  6. Q: Does SG7805AK-883B require any external components for operation? A: Yes, SG7805AK-883B requires input and output capacitors for stability and filtering purposes.

  7. Q: Can SG7805AK-883B tolerate short circuits or overloads? A: No, SG7805AK-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 SG7805AK-883B? A: The typical dropout voltage of SG7805AK-883B is around 2V.

  9. Q: Can SG7805AK-883B operate in high-temperature environments? A: Yes, SG7805AK-883B is designed to operate in a wide temperature range, typically from -55°C to +125°C.

  10. Q: What are some common applications of SG7805AK-883B? A: SG7805AK-883B is commonly used in various electronic devices and circuits where a stable +5V power supply is required, such as microcontrollers, sensors, and digital logic circuits.

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