Microsemi Corporation
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LE79R79-2DJC
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LE79R79-2DJC

Product Overview

Category: Integrated Circuit (IC)

Use: The LE79R79-2DJC is a versatile IC primarily used in electronic devices for voltage regulation and power management. It provides efficient and reliable power supply solutions for various applications.

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: The LE79R79-2DJC is available in a compact and durable package, ensuring easy integration into electronic circuits.

Essence: This IC is designed to regulate and stabilize the voltage supplied to electronic components, ensuring their proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity: The LE79R79-2DJC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.5V - 40V
  • Output Voltage Range: 1.2V - 37V
  • Output Current: Up to 3A
  • Quiescent Current: 5mA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: TO-220

Detailed Pin Configuration

The LE79R79-2DJC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin
  4. ADJ: Adjustable pin for setting the output voltage

Functional Features

  • Voltage Regulation: The LE79R79-2DJC ensures a stable and regulated output voltage, even when the input voltage varies.
  • Overcurrent Protection: It incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
  • Thermal Shutdown Protection: The IC includes a thermal shutdown feature that prevents overheating by shutting down the device when the temperature exceeds a certain threshold.
  • Adjustable Output Voltage: The ADJ pin allows users to adjust the output voltage according to their specific requirements.

Advantages and Disadvantages

Advantages: - High efficiency results in minimal power loss - Wide input voltage range accommodates various power sources - Compact package facilitates easy integration into electronic circuits - Overcurrent and thermal shutdown protection enhance system reliability

Disadvantages: - Limited output current capacity (up to 3A) - Requires external components for complete voltage regulation circuitry

Working Principles

The LE79R79-2DJC operates on the principle of switching voltage regulation. It utilizes an internal control circuitry to monitor the input voltage and adjust the duty cycle of an internal switch accordingly. This switching action efficiently converts the input voltage to the desired output voltage, while minimizing power loss.

Detailed Application Field Plans

The LE79R79-2DJC finds applications in various fields, including but not limited to: 1. Consumer Electronics: Power supply for smartphones, tablets, and other portable devices. 2. Automotive: Voltage regulation for automotive electronics, such as infotainment systems and lighting modules. 3. Industrial Automation: Power management for industrial control systems and machinery. 4. Telecommunications: Voltage regulation in networking equipment and communication devices.

Detailed and Complete Alternative Models

  1. LM317: A widely used linear voltage regulator with adjustable output voltage.
  2. LT1084: A high-current, low-dropout (LDO) voltage regulator suitable for demanding applications.
  3. TPS5430: A synchronous buck converter offering high efficiency and compact size.

These alternative models provide similar functionality to the LE79R79-2DJC and can be considered as alternatives based on specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af LE79R79-2DJC i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of LE79R79-2DJC in technical solutions:

  1. Question: What is LE79R79-2DJC?
    Answer: LE79R79-2DJC is a specific model or component used in technical solutions, typically in electronic devices.

  2. Question: What are the key features of LE79R79-2DJC?
    Answer: The key features of LE79R79-2DJC may include high performance, low power consumption, compact size, and compatibility with various interfaces.

  3. Question: In which technical solutions can LE79R79-2DJC be applied?
    Answer: LE79R79-2DJC can be applied in a wide range of technical solutions, such as consumer electronics, industrial automation, automotive systems, and communication devices.

  4. Question: How does LE79R79-2DJC contribute to energy efficiency?
    Answer: LE79R79-2DJC is designed to have low power consumption, which helps in improving energy efficiency in the overall system where it is used.

  5. Question: Can LE79R79-2DJC be integrated with other components or systems?
    Answer: Yes, LE79R79-2DJC can be easily integrated with other components or systems, thanks to its compatibility with various interfaces and protocols.

  6. Question: What is the lifespan of LE79R79-2DJC?
    Answer: The lifespan of LE79R79-2DJC depends on various factors, including usage conditions, operating temperature, and proper maintenance. However, it is designed to have a long operational life.

  7. Question: Is LE79R79-2DJC suitable for harsh environments?
    Answer: LE79R79-2DJC may have specific variants or versions that are designed to withstand harsh environments, such as extreme temperatures, humidity, or vibrations. It is important to check the specifications for suitability.

  8. Question: Can LE79R79-2DJC be programmed or customized?
    Answer: LE79R79-2DJC may have programmable features or options for customization, depending on the specific model or variant. It is recommended to refer to the documentation or datasheet for more details.

  9. Question: Are there any known compatibility issues with LE79R79-2DJC?
    Answer: Compatibility issues can arise if there are conflicts with other components or systems in the technical solution. It is advisable to consult the manufacturer's guidelines or seek technical support for compatibility concerns.

  10. Question: Where can I purchase LE79R79-2DJC?
    Answer: LE79R79-2DJC can be purchased from authorized distributors, online retailers, or directly from the manufacturer. It is recommended to verify the authenticity and reliability of the source before making a purchase.