LTC4264CDE#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power over Ethernet (PoE) Controller
Characteristics: - Provides power and data to PoE-enabled devices - Supports IEEE 802.3af/at standards - Enables power management and control in PoE systems
Package: DFN-12 (Dual Flat No-Lead)
Essence: The LTC4264CDE#PBF is a highly integrated PoE controller designed for use in various applications requiring power and data transmission over Ethernet cables.
Packaging/Quantity: The LTC4264CDE#PBF is 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 Dimensions: 3mm x 3mm x 0.75mm
Detailed Pin Configuration
The LTC4264CDE#PBF features a 12-pin Dual Flat No-Lead (DFN-12) package. The pin configuration is as follows:
- VOUT
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- VIN
- NC
- NC
Functional Features
- Integrated detection and classification of powered devices
- Programmable current limit and undervoltage lockout
- Automatic thermal shutdown protection
- Fast fault recovery and auto-retry operation
Advantages and Disadvantages
Advantages: - High level of integration reduces external component count - Supports both IEEE 802.3af and 802.3at standards - Flexible power management features
Disadvantages: - Limited maximum output current of 400mA - Relatively small package size may require careful PCB layout
Working Principles
The LTC4264CDE#PBF operates by detecting and classifying powered devices connected to the Ethernet cable. It provides power to these devices by controlling the voltage and current levels according to the IEEE 802.3af/at standards. The controller also incorporates various protection mechanisms, such as thermal shutdown and fault recovery, to ensure safe and reliable operation.
Detailed Application Field Plans
The LTC4264CDE#PBF is widely used in applications that require Power over Ethernet functionality, including: - IP cameras and surveillance systems - Wireless access points - VoIP phones - Industrial automation equipment - Building management systems
Detailed and Complete Alternative Models
- LTC4265CDE#PBF: Similar to LTC4264CDE#PBF with extended temperature range (-40°C to 125°C).
- LTC4266CDE#PBF: PoE controller with higher maximum output current (600mA) and additional features for advanced power management.
- LTC4267CDE#PBF: Integrated PoE controller with built-in isolation for enhanced safety and protection.
These alternative models offer different specifications and features to cater to specific application requirements.
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技術ソリューションにおける LTC4264CDE#PBF の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of LTC4264CDE#PBF in technical solutions:
Q: What is LTC4264CDE#PBF? A: LTC4264CDE#PBF is a specific model number for a power sourcing equipment (PSE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is used in Power over Ethernet (PoE) applications.
Q: What is the purpose of LTC4264CDE#PBF? A: The LTC4264CDE#PBF is designed to provide power and control functions for PoE systems, allowing devices to be powered and communicate over a single Ethernet cable.
Q: What are the key features of LTC4264CDE#PBF? A: Some key features of LTC4264CDE#PBF include IEEE 802.3af/at compliant PSE controller, integrated detection and classification, programmable current limit, thermal shutdown protection, and fault detection.
Q: How does LTC4264CDE#PBF enable Power over Ethernet? A: LTC4264CDE#PBF integrates the necessary functions to implement a PSE, including detection, classification, and power delivery. It follows the IEEE 802.3af/at standards for PoE.
Q: What is the maximum power that LTC4264CDE#PBF can deliver? A: The maximum power that LTC4264CDE#PBF can deliver depends on the power supply and system design, but it is capable of delivering up to 25.5W per port in IEEE 802.3at mode.
Q: Can LTC4264CDE#PBF be used in non-PoE applications? A: While LTC4264CDE#PBF is primarily designed for PoE applications, it can also be used in non-PoE applications where power and control functions are required.
Q: What is the input voltage range supported by LTC4264CDE#PBF? A: LTC4264CDE#PBF supports an input voltage range of 36V to 57V, which is typical for PoE systems.
Q: Does LTC4264CDE#PBF support power management features? A: Yes, LTC4264CDE#PBF supports various power management features such as programmable current limit, thermal shutdown protection, and fault detection to ensure safe and reliable operation.
Q: Are there any evaluation boards available for LTC4264CDE#PBF? A: Yes, Analog Devices provides evaluation boards for LTC4264CDE#PBF, which can help in testing and prototyping PoE solutions using this IC.
Q: Where can I find more information about LTC4264CDE#PBF? A: You can find more detailed information about LTC4264CDE#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.