Linear Technology/Analog Devices
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LTC4269IDKD-2#PBF
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LTC4269IDKD-2#PBF

Product Overview

Category

The LTC4269IDKD-2#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used for power sourcing equipment (PSE) in Power over Ethernet (PoE) systems. It enables the delivery of both power and data over a single Ethernet cable, eliminating the need for separate power cables.

Characteristics

  • Integrated circuit for PoE applications
  • Supports IEEE 802.3af/at standards
  • Provides power classification and detection
  • Offers advanced power management features
  • Enables efficient power transfer

Package

The LTC4269IDKD-2#PBF comes in a small form factor package known as DFN (Dual Flat No-Lead). This package ensures easy integration into various electronic devices and provides excellent thermal performance.

Essence

The essence of LTC4269IDKD-2#PBF lies in its ability to facilitate the implementation of PoE technology, allowing for the seamless transmission of power and data over Ethernet infrastructure.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of units per package. The exact packaging and quantity may vary depending on the supplier or distributor.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 0V to 57V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: DFN-10

Detailed Pin Configuration

  1. VOUT: Output Voltage
  2. GND: Ground
  3. NC: No Connection
  4. NC: No Connection
  5. NC: No Connection
  6. NC: No Connection
  7. NC: No Connection
  8. NC: No Connection
  9. NC: No Connection
  10. VIN: Input Voltage

Functional Features

  • Power classification and detection: The LTC4269IDKD-2#PBF can accurately classify the connected powered devices (PDs) and detect their power requirements, ensuring optimal power delivery.
  • Advanced power management: It offers various features like current limiting, thermal shutdown, and fault protection, ensuring safe and reliable operation.
  • Efficient power transfer: The integrated circuit optimizes power transfer efficiency, minimizing energy losses during transmission.

Advantages and Disadvantages

Advantages

  • Enables seamless integration of PoE technology into various applications
  • Supports industry-standard IEEE 802.3af/at protocols
  • Provides advanced power management features for enhanced safety and reliability
  • Compact package with excellent thermal performance

Disadvantages

  • Limited maximum output current of 400mA may not be suitable for high-power devices
  • Requires proper design considerations to ensure compatibility with specific PoE systems

Working Principles

The LTC4269IDKD-2#PBF operates based on the principles of power sourcing equipment (PSE) in PoE systems. It utilizes power classification and detection techniques to identify the connected PDs and determine their power requirements. Once the power requirements are established, the LTC4269IDKD-2#PBF regulates the power delivery accordingly, ensuring efficient and reliable operation.

Detailed Application Field Plans

The LTC4269IDKD-2#PBF finds extensive application in various fields, including:

  1. IP Cameras: It enables the deployment of IP cameras in remote locations without the need for separate power cables, simplifying installation and reducing costs.
  2. Wireless Access Points: By integrating the LTC4269IDKD-2#PBF, wireless access points can be conveniently powered through Ethernet infrastructure, facilitating flexible network deployments.
  3. VoIP Phones: This product allows VoIP phones to receive power and data over a single Ethernet cable, eliminating the need for additional power adapters.
  4. Industrial Automation: The LTC4269IDKD-2#PBF can be used in industrial automation systems to power and control various devices, enhancing efficiency and reducing wiring complexity.

Detailed and Complete Alternative Models

  1. LTC4267IDKD-2#PBF
  2. LTC4268IDKD-2#PBF
  3. LTC4270IDKD-2#PBF
  4. LTC4271IDKD-2#PBF
  5. LTC4272IDKD-2#PBF

These alternative models offer similar functionality and are suitable replacements for the LTC4269IDKD-2#PBF, depending on specific application requirements.

In conclusion, the LTC4269IDKD-2#PBF is an integrated circuit designed for PoE applications. It provides power classification, advanced power management features, and efficient power transfer. With its compact package and compatibility with industry standards, it finds widespread use in IP cameras, wireless access points, VoIP phones, and industrial automation systems. While it

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC4269IDKD-2#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC4269IDKD-2#PBF in technical solutions:

  1. Q: What is LTC4269IDKD-2#PBF? A: LTC4269IDKD-2#PBF is a specific model of Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices). It provides power management and control functions for PoE applications.

  2. Q: What are the key features of LTC4269IDKD-2#PBF? A: Some key features of LTC4269IDKD-2#PBF include IEEE 802.3af/at compliant PoE PD interface, integrated DC/DC converter controller, programmable current limit, thermal shutdown protection, and fault detection capabilities.

  3. Q: How can LTC4269IDKD-2#PBF be used in technical solutions? A: LTC4269IDKD-2#PBF can be used as a PoE PD interface in various technical solutions such as IP cameras, wireless access points, VoIP phones, industrial automation equipment, and other devices that require power and data transmission over Ethernet cables.

  4. Q: What is the maximum power that LTC4269IDKD-2#PBF can handle? A: LTC4269IDKD-2#PBF can handle up to 25.5W of power, which is compliant with the IEEE 802.3at standard for high-power PoE applications.

  5. Q: Can LTC4269IDKD-2#PBF support both 10/100Mbps and Gigabit Ethernet speeds? A: Yes, LTC4269IDKD-2#PBF supports both 10/100Mbps and Gigabit Ethernet speeds, making it suitable for a wide range of applications.

  6. Q: How does LTC4269IDKD-2#PBF handle power management and control? A: LTC4269IDKD-2#PBF integrates a DC/DC converter controller that allows efficient power conversion and provides programmable current limit, thermal shutdown protection, and fault detection features for safe and reliable operation.

  7. Q: Does LTC4269IDKD-2#PBF require any external components for operation? A: Yes, LTC4269IDKD-2#PBF requires external components such as power MOSFETs, transformers, capacitors, and resistors to complete the PoE PD circuitry.

  8. Q: Can LTC4269IDKD-2#PBF operate in a wide temperature range? A: Yes, LTC4269IDKD-2#PBF is designed to operate in a wide temperature range from -40°C to 85°C, making it suitable for various industrial and outdoor applications.

  9. Q: Is LTC4269IDKD-2#PBF compatible with other PoE standards like 802.3bt? A: No, LTC4269IDKD-2#PBF is specifically designed for IEEE 802.3af/at compliant PoE applications and may not be directly compatible with newer standards like 802.3bt.

  10. Q: Where can I find more information about LTC4269IDKD-2#PBF and its application in technical solutions? A: You can find more detailed information about LTC4269IDKD-2#PBF, including datasheets, application notes, and design resources, on the Analog Devices website or by contacting their technical support team.