Microsemi Corporation
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SG7912AK-883B
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SG7912AK-883B

Product Overview

Category

SG7912AK-883B belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage regulation purposes.

Characteristics

  • Voltage regulator IC
  • High reliability and durability
  • Wide operating temperature range
  • Military-grade quality
  • Low dropout voltage

Package

SG7912AK-883B comes in a compact and sturdy package, ensuring protection during transportation and handling.

Essence

The essence of SG7912AK-883B lies in its ability to regulate voltage efficiently and reliably, making it an essential component in various electronic applications.

Packaging/Quantity

Each package of SG7912AK-883B contains 1 unit of the IC.

Specifications

  • Input Voltage Range: -35V to -5.5V
  • Output Voltage: -12V
  • Output Current: Up to 1A
  • Dropout Voltage: 2V (max)
  • Operating Temperature Range: -55°C to +125°C
  • Package Type: TO-3

Detailed Pin Configuration

SG7912AK-883B has three pins:

  1. Input Pin (Pin 1): Connects to the input voltage source.
  2. Ground Pin (Pin 2): Connected to the ground or common reference point.
  3. Output Pin (Pin 3): Provides the regulated output voltage.

Functional Features

  • Voltage Regulation: SG7912AK-883B ensures a stable output voltage of -12V regardless of input voltage fluctuations.
  • Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected components from excessive current flow.
  • Thermal Shutdown: In case of excessive heat, the IC automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

  • High reliability and durability due to military-grade quality.
  • Wide operating temperature range allows usage in extreme environments.
  • Low dropout voltage minimizes power loss.

Disadvantages

  • Limited output current capacity of up to 1A.
  • Requires external components for proper operation.

Working Principles

SG7912AK-883B operates based on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant -12V output.

Detailed Application Field Plans

SG7912AK-883B finds applications in various fields, including: 1. Aerospace: Used in avionics systems for reliable voltage regulation. 2. Military: Employed in military-grade electronic equipment for robust performance. 3. Industrial Automation: Utilized in control systems to ensure stable voltage supply. 4. Telecommunications: Integrated into communication devices for consistent power delivery.

Detailed and Complete Alternative Models

  1. LM7912: A widely used alternative from Texas Instruments with similar specifications.
  2. MC7912: Another alternative from ON Semiconductor offering comparable performance.
  3. UA7912: An alternative option from Fairchild Semiconductor suitable for various applications.

Note: This is not an exhaustive list; there are several other alternatives available in the market.

In conclusion, SG7912AK-883B is a reliable and durable voltage regulator IC that finds applications in aerospace, military, industrial automation, and telecommunications sectors. Its high-quality construction, wide operating temperature range, and low dropout voltage make it a preferred choice for voltage regulation needs. However, its limited output current capacity and requirement for external components should be considered when selecting this IC for specific applications.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SG7912AK-883B en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SG7912AK-883B in technical solutions:

  1. Q: What is SG7912AK-883B? A: SG7912AK-883B is a voltage regulator integrated circuit (IC) that provides a fixed -12V output voltage.

  2. Q: What are the typical applications of SG7912AK-883B? A: SG7912AK-883B is commonly used in various electronic systems where a stable -12V power supply is required, such as industrial control systems, instrumentation, and telecommunications equipment.

  3. Q: How does SG7912AK-883B regulate the output voltage? A: SG7912AK-883B uses internal circuitry to maintain a constant -12V output voltage regardless of changes in input voltage or load conditions.

  4. Q: What is the maximum input voltage for SG7912AK-883B? A: The maximum input voltage for SG7912AK-883B is typically around -35V.

  5. Q: Can SG7912AK-883B handle high current loads? A: Yes, SG7912AK-883B can handle currents up to 1.5A, making it suitable for many medium to high-power applications.

  6. Q: Does SG7912AK-883B require any external components for operation? A: Yes, SG7912AK-883B requires input and output capacitors for stability and filtering purposes. The datasheet provides recommended values.

  7. Q: Is SG7912AK-883B available in different package options? A: Yes, SG7912AK-883B is available in various package options, such as TO-220 and ceramic flat pack (CFP), allowing flexibility in board design.

  8. Q: What is the operating temperature range of SG7912AK-883B? A: The operating temperature range of SG7912AK-883B is typically -55°C to +125°C, making it suitable for harsh environments.

  9. Q: Can SG7912AK-883B handle reverse polarity protection? A: No, SG7912AK-883B does not have built-in reverse polarity protection. Care should be taken to ensure correct polarity during installation.

  10. Q: Are there any recommended alternatives to SG7912AK-883B? A: Yes, there are other -12V voltage regulator ICs available in the market, such as LM7912 and LT1963A-12, which can be considered as alternatives based on specific requirements.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's recommendations for SG7912AK-883B.