LTC4269IDKD-1#PBF

Product Overview

Category

The LTC4269IDKD-1#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 data and power 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
• Operates with low power consumption
• Compact and efficient design

Package

The LTC4269IDKD-1#PBF comes in a small form factor package, which is commonly known as a DFN (Dual Flat No-Lead) package. This package ensures easy integration into various electronic devices.

Essence

The essence of LTC4269IDKD-1#PBF lies in its ability to efficiently manage power delivery in PoE systems, ensuring reliable and safe operation of connected devices.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.7V to 14V
• Maximum Output Current: 400mA
• Operating Temperature Range: -40°C to 85°C
• Package Type: DFN-10

Detailed Pin Configuration

The LTC4269IDKD-1#PBF has the following pin configuration:

1. VOUT
2. GND
3. NC
4. NC
5. NC
6. NC
7. NC
8. NC
9. NC
10. VIN

Functional Features

• Power classification and detection: The LTC4269IDKD-1#PBF can accurately classify connected devices based on their power requirements, ensuring optimal power delivery.
• Advanced power management: This IC offers various features like overcurrent protection, thermal shutdown, and fault reporting, enhancing the safety and reliability of the PoE system.
• Low power consumption: The LTC4269IDKD-1#PBF operates with minimal power consumption, reducing energy wastage and improving overall efficiency.

Advantages and Disadvantages

Advantages

• Supports IEEE 802.3af/at standards, ensuring compatibility with a wide range of PoE devices.
• Compact and efficient design allows for easy integration into different applications.
• Offers advanced power management features, enhancing system reliability and safety.
• Low power consumption helps in reducing energy costs.

Disadvantages

• Limited maximum output current (400mA) may not be suitable for high-power devices.
• Operating temperature range (-40°C to 85°C) may restrict usage in extreme environments.

Working Principles

The LTC4269IDKD-1#PBF operates by receiving power and data from an Ethernet cable connected to a PSE. It performs power classification and detection to determine the power requirements of the connected device. Based on this information, it regulates the power delivery to ensure safe and efficient operation.

Detailed Application Field Plans

The LTC4269IDKD-1#PBF finds extensive application in various fields, including: 1. IP cameras and surveillance systems 2. Wireless access points 3. VoIP phones 4. Industrial automation equipment 5. Building management systems 6. IoT devices

In these applications, the LTC4269IDKD-1#PBF enables the seamless integration of power and data transmission, simplifying installation and reducing overall system complexity.

Detailed and Complete Alternative Models

1. LTC4267IDKD-1#PBF: Similar to LTC4269IDKD-1#PBF, but with a higher maximum output current of 600mA.
2. LTC4274IDKD-1#PBF: Offers additional features like inrush current limiting and programmable current limit threshold.

These alternative models provide flexibility in choosing the most suitable IC based on specific application requirements.

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