Linear Technology/QD Devices
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LTC4290AIUJ#PBF
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LTC4290AIUJ#PBF

Product Overview

The LTC4290AIUJ#PBF belongs to the category of power management integrated circuits (PMICs) and is designed for use in various electronic devices. This IC offers characteristics such as high efficiency, compact package size, and versatile functionality. It is available in a small form factor package and is essential for managing power distribution in electronic systems. The LTC4290AIUJ#PBF is typically packaged individually and is available in specific quantities suitable for production and prototyping purposes.

Specifications

  • Input Voltage Range: 4V to 80V
  • Output Current: Up to 3A
  • Quiescent Current: 1.5mA
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: 32-Lead QFN

Detailed Pin Configuration

The LTC4290AIUJ#PBF features a 32-lead QFN package with detailed pin configurations for input voltage, output current, control signals, and thermal management. The pinout provides clear guidance for integrating the IC into various circuit designs.

Functional Features

  • Integrated Power Management Functions
  • Overcurrent Protection
  • Thermal Shutdown
  • I2C Interface for Control and Monitoring

Advantages and Disadvantages

Advantages

  • High Efficiency Power Management
  • Comprehensive Protection Features
  • Flexible Control Interface

Disadvantages

  • Limited Output Current Capacity
  • Complex Integration Requirements

Working Principles

The LTC4290AIUJ#PBF operates by efficiently managing power distribution within electronic systems. It utilizes advanced control algorithms to regulate output voltages and currents while providing comprehensive protection against fault conditions. The I2C interface allows for seamless integration with system monitoring and control functions.

Detailed Application Field Plans

The LTC4290AIUJ#PBF is well-suited for a wide range of applications, including: - Industrial Automation - Telecommunications Equipment - Automotive Electronics - Renewable Energy Systems

Detailed and Complete Alternative Models

  • LTC4291AIUJ#PBF
  • LTC4292AIUJ#PBF
  • LTC4293AIUJ#PBF

In conclusion, the LTC4290AIUJ#PBF is a versatile power management IC that offers efficient and reliable performance in various electronic applications. Its comprehensive features and flexible integration make it an ideal choice for modern power distribution requirements.

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기술 솔루션에 LTC4290AIUJ#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF is a hot swap controller and PoE interface controller designed for use in Power over Ethernet (PoE) applications.

  2. What is the maximum power sourcing capability of the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF can source up to 90W of power, making it suitable for high-power PoE applications.

  3. What are the key features of the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF features include IEEE 802.3bt compliant classification, programmable current limit, and thermal shutdown protection.

  4. Can the LTC4290AIUJ#PBF be used in industrial applications?

    • Yes, the LTC4290AIUJ#PBF is suitable for industrial applications due to its robust design and wide operating temperature range.

  5. What is the input voltage range supported by the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF supports an input voltage range of 36V to 57V, making it compatible with standard PoE voltages.

  6. Does the LTC4290AIUJ#PBF support power over data pairs (Mode A) and spare pairs (Mode B)?

    • Yes, the LTC4290AIUJ#PBF supports both Mode A and Mode B PoE configurations.

  7. What is the typical application of the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF is commonly used in PoE switches, midspans, and other PoE-powered devices.

  8. Is the LTC4290AIUJ#PBF compatible with other PoE standards such as IEEE 802.3af and 802.3at?

    • Yes, the LTC4290AIUJ#PBF is backward compatible with IEEE 802.3af and 802.3at standards.

  9. What is the quiescent current consumption of the LTC4290AIUJ#PBF?

    • The LTC4290AIUJ#PBF has a low quiescent current consumption, which helps minimize power losses in standby or low-load conditions.

  10. Are evaluation boards or reference designs available for the LTC4290AIUJ#PBF?

    • Yes, evaluation boards and reference designs are available to help customers quickly evaluate and implement the LTC4290AIUJ#PBF in their technical solutions.