LTC4267IGN-3#PBF

Product Overview

Category

The LTC4267IGN-3#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 package for easy integration

Package

The LTC4267IGN-3#PBF is available in an 8-pin plastic dual in-line package (PDIP). This package provides mechanical protection and facilitates easy soldering onto printed circuit boards (PCBs).

Essence

The essence of the LTC4267IGN-3#PBF lies in its ability to efficiently manage power delivery in PoE systems. It ensures reliable and safe power transmission while maintaining compatibility with industry standards.

Packaging/Quantity

The LTC4267IGN-3#PBF is typically sold in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

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
• Power Dissipation: 1.5W
• Compliance: IEEE 802.3af/at

Detailed Pin Configuration

The LTC4267IGN-3#PBF has the following pin configuration:

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

Functional Features

• Power classification and detection: The LTC4267IGN-3#PBF accurately classifies the connected powered devices (PDs) and detects their power requirements.
• Advanced power management: It provides various features like overcurrent protection, thermal shutdown, and fault reporting to ensure safe and reliable operation.
• Low power consumption: The IC itself consumes minimal power, contributing to overall energy efficiency in PoE systems.

Advantages and Disadvantages

Advantages

• Enables efficient power delivery in PoE systems
• Supports industry-standard IEEE 802.3af/at compliance
• Provides advanced power management features for enhanced safety
• Compact package allows easy integration into existing designs

Disadvantages

• Limited maximum output current of 400mA may not be suitable for high-power applications
• Requires careful consideration of thermal management due to power dissipation

Working Principles

The LTC4267IGN-3#PBF operates by monitoring the voltage and current levels on the Ethernet cable. It uses this information to classify the connected PDs and determine their power requirements. The IC then regulates the power delivery accordingly, ensuring optimal performance and compatibility with the PoE system.

Detailed Application Field Plans

The LTC4267IGN-3#PBF finds extensive application in various PoE-enabled devices, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment

Its ability to efficiently manage power delivery makes it an ideal choice for these applications, providing a convenient and cost-effective solution for integrating power and data transmission over Ethernet cables.

Detailed and Complete Alternative Models

1. LTC4267IGN-2#PBF: Similar to LTC4267IGN-3#PBF, but with a different input voltage range.
2. LTC4267IGN-4#PBF: Similar to LTC4267IGN-3#PBF, but with a higher maximum output current.

These alternative models offer flexibility in terms of input voltage range and output current capacity, allowing designers to choose the most suitable option based on their specific requirements.

Note: The content provided above is a sample structure for an encyclopedia entry and may not reflect actual specifications or details of the LTC4267IGN-3#PBF.