Microsemi Corporation
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SG7915K-883B
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SG7915K-883B

Product Overview

Category

SG7915K-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
  • Wide input voltage range
  • Low dropout voltage
  • Thermal shutdown protection

Package

SG7915K-883B comes in a TO-3 package.

Essence

The essence of SG7915K-883B lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

Each package contains one SG7915K-883B voltage regulator.

Specifications

  • Input Voltage Range: -35V to -60V
  • Output Voltage: -15V
  • Output Current: 1A
  • Dropout Voltage: 2V
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

SG7915K-883B has three pins:

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

Functional Features

  • High precision voltage regulation ensures stable output voltage.
  • Wide input voltage range allows flexibility in various applications.
  • Low dropout voltage minimizes power dissipation.
  • Thermal shutdown protection prevents overheating and damage.

Advantages

  • Provides accurate and reliable voltage regulation.
  • Suitable for a wide range of applications due to its flexible input voltage range.
  • Low dropout voltage reduces power loss and improves efficiency.
  • Thermal shutdown protection enhances safety and reliability.

Disadvantages

  • Limited output current capacity may not be suitable for high-power applications.
  • Requires external components for proper operation, increasing complexity.

Working Principles

SG7915K-883B operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the current flow through it. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

SG7915K-883B finds applications in various electronic systems, including:

  1. Power supplies for audio amplifiers
  2. Industrial control systems
  3. Automotive electronics
  4. Telecommunications equipment
  5. Test and measurement instruments

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SG7915K-883B are:

  1. LM7915: A widely used negative voltage regulator with similar specifications.
  2. LT1963A: A high-performance negative voltage regulator with low dropout voltage.
  3. MC79L15: A low-cost negative voltage regulator suitable for basic applications.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG7915K-883B v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SG7915K-883B in technical solutions:

  1. Q: What is SG7915K-883B? A: SG7915K-883B is a voltage regulator integrated circuit (IC) that provides a fixed negative output voltage of -15V.

  2. Q: What are the typical applications of SG7915K-883B? A: SG7915K-883B is commonly used in various electronic devices and systems where a stable -15V power supply is required, such as audio amplifiers, industrial control systems, and instrumentation.

  3. Q: How does SG7915K-883B work? A: SG7915K-883B regulates the input voltage and provides a constant -15V output voltage by using internal circuitry to maintain a stable reference voltage.

  4. Q: What is the maximum input voltage for SG7915K-883B? A: The maximum input voltage for SG7915K-883B is typically around -35V. It is important not to exceed this limit to prevent damage to the IC.

  5. Q: Can SG7915K-883B handle high current loads? A: Yes, SG7915K-883B can handle moderate to high current loads, typically up to 1A. However, it is recommended to check the datasheet for specific current ratings and thermal considerations.

  6. Q: Is an external heat sink required for SG7915K-883B? A: It depends on the power dissipation and ambient temperature. If the power dissipation is high or the ambient temperature is elevated, an external heat sink may be necessary to prevent overheating.

  7. Q: Can I use SG7915K-883B in a positive voltage application? A: No, SG7915K-883B is specifically designed for negative voltage applications. For positive voltage regulation, you would need to use a different voltage regulator IC.

  8. Q: What are the key features of SG7915K-883B? A: Some key features of SG7915K-883B include low dropout voltage, thermal shutdown protection, and short-circuit current limiting.

  9. Q: Is SG7915K-883B available in different package types? A: Yes, SG7915K-883B is available in various package types, such as TO-220 and TO-257, which offer different mounting options and power dissipation capabilities.

  10. Q: Where can I find more information about SG7915K-883B? A: You can refer to the datasheet provided by the manufacturer or visit their official website for detailed specifications, application notes, and other technical resources related to SG7915K-883B.