LT4275CHDD#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power over Ethernet (PoE) Controller

Characteristics: - High efficiency - Low power dissipation - Small package size - Wide input voltage range - Advanced power management features

Package: 16-Lead (4mm × 3mm) DFN

Essence: The LT4275CHDD#TRPBF is a PoE controller designed to provide power and data over a single Ethernet cable. It enables the implementation of Power Sourcing Equipment (PSE) in various applications.

Packaging/Quantity: The LT4275CHDD#TRPBF is available in tape and reel packaging, with 250 units per reel.

Specifications

Input Voltage Range: 36V to 57V
Output Voltage Range: 2.7V to 60V
Maximum Output Current: 400mA
Operating Temperature Range: -40°C to 85°C
Package Type: DFN-16

Detailed Pin Configuration

The LT4275CHDD#TRPBF has the following pin configuration:

VOUT
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VIN
NC

Functional Features

IEEE 802.3af/at compliant
Integrated detection and classification
Programmable current limit
Adjustable undervoltage lockout
Integrated thermal shutdown protection
Fast transient response

Advantages and Disadvantages

Advantages: - High efficiency power delivery - Compact package size - Wide input voltage range - Advanced power management features

Disadvantages: - Limited maximum output current (400mA)

Working Principles

The LT4275CHDD#TRPBF operates as a PoE controller by integrating the necessary functions to deliver power over Ethernet cables. It follows the IEEE 802.3af/at standards for detection, classification, and power delivery. The controller monitors the connected device's power requirements and adjusts the power delivery accordingly.

Detailed Application Field Plans

The LT4275CHDD#TRPBF is suitable for various applications that require Power over Ethernet functionality. Some potential application fields include: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation systems

Detailed and Complete Alternative Models

LT4276CHDD#TRPBF
LT4277CHDD#TRPBF
LT4278CHDD#TRPBF
LT4279CHDD#TRPBF
LT4280CHDD#TRPBF

These alternative models offer similar functionality and characteristics to the LT4275CHDD#TRPBF, providing flexibility in choosing the most suitable PoE controller for specific applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von LT4275CHDD#TRPBF in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of LT4275CHDD#TRPBF in technical solutions:

Q: What is LT4275CHDD#TRPBF? A: LT4275CHDD#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.
Q: What is the purpose of LT4275CHDD#TRPBF? A: The purpose of LT4275CHDD#TRPBF is to provide power and data connectivity to PoE-enabled devices over Ethernet cables.
Q: Can LT4275CHDD#TRPBF be used with any type of Ethernet cable? A: Yes, LT4275CHDD#TRPBF is compatible with both Cat5e and Cat6 Ethernet cables.
Q: What is the maximum power output of LT4275CHDD#TRPBF? A: LT4275CHDD#TRPBF can deliver up to 25.5W of power to connected devices.
Q: Is LT4275CHDD#TRPBF suitable for outdoor applications? A: Yes, LT4275CHDD#TRPBF is designed to operate in a wide temperature range, making it suitable for outdoor use.
Q: Can LT4275CHDD#TRPBF support multiple PoE-enabled devices simultaneously? A: Yes, LT4275CHDD#TRPBF can support multiple devices by providing power and data to each device through separate Ethernet ports.
Q: Does LT4275CHDD#TRPBF have built-in protection features? A: Yes, LT4275CHDD#TRPBF incorporates various protection mechanisms such as overcurrent, overvoltage, and thermal shutdown.
Q: Can LT4275CHDD#TRPBF be used in industrial applications? A: Yes, LT4275CHDD#TRPBF is suitable for industrial environments due to its robust design and wide operating temperature range.
Q: Is LT4275CHDD#TRPBF compatible with PoE standards like IEEE 802.3af and 802.3at? A: Yes, LT4275CHDD#TRPBF is fully compliant with both IEEE 802.3af and 802.3at PoE standards.
Q: Are there any specific design considerations when using LT4275CHDD#TRPBF? A: It is important to ensure proper heat dissipation and follow the recommended layout guidelines provided in the datasheet for optimal performance.

Please note that the answers provided here are general and may vary depending on the specific application and requirements.