Microsemi Corporation
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SG7915AT-DESC
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SG7915AT-DESC

Product Overview

Category

SG7915AT-DESC 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 efficiency
  • Low dropout voltage
  • Thermal shutdown protection

Package

SG7915AT-DESC comes in a standard TO-220 package.

Essence

The essence of this product lies in its ability to provide a stable output voltage despite fluctuations in input voltage.

Packaging/Quantity

SG7915AT-DESC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: -35V to -17V
  • Output Voltage: -15V
  • Output Current: 1A
  • Dropout Voltage: 2V (maximum)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

SG7915AT-DESC has three pins:

  1. Input Pin (IN): 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 (OUT): The regulated output voltage is obtained from this pin.

Functional Features

  • Voltage Regulation: SG7915AT-DESC ensures a constant output voltage of -15V, regardless of variations in the input voltage.
  • Thermal Shutdown Protection: In case of excessive temperature, the device shuts down to prevent damage.
  • Short Circuit Protection: The regulator is designed to withstand short circuit conditions without any harm.

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • High efficiency
  • Compact size
  • Easy to use

Disadvantages

  • Limited input voltage range
  • Requires external capacitors for stability

Working Principles

SG7915AT-DESC operates on the principle of a linear voltage regulator. It uses a series pass transistor to regulate the output voltage by dissipating excess energy as heat.

Detailed Application Field Plans

SG7915AT-DESC finds applications in various electronic devices, including: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SG7915AT-DESC are: - LM7915 - MC7915 - UA7915

These models offer similar functionality and can be used interchangeably based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SG7915AT-DESC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SG7915AT-DESC in technical solutions:

  1. Q: What is SG7915AT-DESC? A: SG7915AT-DESC is a specific model of voltage regulator used in electronic circuits.

  2. Q: What is the purpose of SG7915AT-DESC? A: The purpose of SG7915AT-DESC is to regulate and stabilize the output voltage to a fixed value of -15V.

  3. Q: What are the typical applications of SG7915AT-DESC? A: SG7915AT-DESC is commonly used in various electronic devices such as audio amplifiers, power supplies, and industrial control systems.

  4. Q: How does SG7915AT-DESC work? A: SG7915AT-DESC uses internal circuitry to compare the input voltage with a reference voltage and adjusts its output accordingly to maintain a stable -15V output.

  5. Q: What is the maximum input voltage for SG7915AT-DESC? A: The maximum input voltage for SG7915AT-DESC is typically around -35V.

  6. Q: Can SG7915AT-DESC handle high current loads? A: Yes, SG7915AT-DESC can handle currents up to a certain limit, usually around 1A.

  7. Q: Is it necessary to use a heatsink with SG7915AT-DESC? A: Yes, it is recommended to use a heatsink when operating SG7915AT-DESC at higher currents to dissipate heat and prevent overheating.

  8. Q: Can SG7915AT-DESC be used in both AC and DC circuits? A: Yes, SG7915AT-DESC can be used in both AC and DC circuits as long as the input voltage is within the specified range.

  9. Q: Are there any protection features in SG7915AT-DESC? A: Yes, SG7915AT-DESC typically includes protection features such as thermal shutdown and overcurrent protection to safeguard against excessive heat or current.

  10. Q: Can multiple SG7915AT-DESC regulators be connected in parallel? A: It is generally not recommended to connect multiple SG7915AT-DESC regulators in parallel due to potential stability issues and unequal load sharing.