LTC4264CDE#TRPBF
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#TRPBF is a highly integrated PoE controller designed for use in various applications requiring power and data transmission over Ethernet cables.
Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 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#TRPBF features the following pin configuration:
- VOUT: Output voltage pin
- GND: Ground pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- VIN: Input voltage pin
- NC: No connection pin
Functional Features
- Integrated high-efficiency switching regulator
- Programmable current limit and undervoltage lockout
- Automatic detection and classification of powered devices
- Comprehensive fault protection and reporting mechanisms
- Low-power standby mode for energy efficiency
Advantages and Disadvantages
Advantages: - High level of integration reduces external component count - Supports both IEEE 802.3af and 802.3at standards - Flexible power management options - Comprehensive fault protection ensures system reliability
Disadvantages: - Limited maximum output current (400mA) - Restricted operating temperature range (-40°C to 85°C)
Working Principles
The LTC4264CDE#TRPBF operates by receiving power and data from an Ethernet cable connected to a Power Sourcing Equipment (PSE). It integrates a switching regulator that converts the input voltage into a regulated output voltage suitable for powering PoE-enabled devices. The controller also performs automatic detection and classification of powered devices, ensuring compatibility with various PoE standards.
Detailed Application Field Plans
The LTC4264CDE#TRPBF is widely used in applications where power and data transmission over Ethernet cables is required. Some common application fields include:
- IP Cameras: Enables power supply and data communication for surveillance cameras.
- Wireless Access Points: Provides power and connectivity for wireless network access points.
- VoIP Phones: Powers Voice over IP phones while transmitting voice and data signals.
- Industrial Automation: Supports power delivery to various industrial automation devices.
- Building Management Systems: Facilitates power and control in building automation systems.
Detailed and Complete Alternative Models
- LTC4267CDE#TRPBF: Similar functionality with enhanced fault protection features.
- LTC4268CDE#TRPBF: Higher maximum output current (800mA) for more demanding applications.
- LTC4270CDE#TRPBF: Integrated power sourcing equipment controller with additional features.
Note: This entry provides a brief overview of the LTC4264CDE#TRPBF. For more detailed information, please refer to the product datasheet and specifications provided by the manufacturer.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4264CDE#TRPBF i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LTC4264CDE#TRPBF:
Q: What is LTC4264CDE#TRPBF? A: LTC4264CDE#TRPBF is a specific model number of 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#TRPBF? A: The purpose of LTC4264CDE#TRPBF is to provide power and data connectivity to PoE-enabled devices, such as IP cameras, wireless access points, and VoIP phones, through an Ethernet cable.
Q: What are the key features of LTC4264CDE#TRPBF? A: Some key features of LTC4264CDE#TRPBF include IEEE 802.3af/at compliance, integrated detection and classification, programmable current limit, thermal shutdown protection, and fault reporting.
Q: How does LTC4264CDE#TRPBF detect and classify PoE devices? A: LTC4264CDE#TRPBF uses a proprietary detection algorithm to identify if a connected device is PoE-compatible. It also classifies the device based on its power requirements.
Q: Can LTC4264CDE#TRPBF support both 802.3af and 802.3at standards? A: Yes, LTC4264CDE#TRPBF is designed to support both the IEEE 802.3af and 802.3at PoE standards, allowing it to work with a wide range of PoE devices.
Q: What is the maximum power that LTC4264CDE#TRPBF can deliver to a PoE device? A: The maximum power that LTC4264CDE#TRPBF can deliver depends on the power supply and the PoE standard being used. It supports up to 25.5W for 802.3af and up to 30W for 802.3at.
Q: Can LTC4264CDE#TRPBF be used in both single-port and multi-port PSE designs? A: Yes, LTC4264CDE#TRPBF can be used in both single-port and multi-port PSE designs, making it versatile for various PoE applications.
Q: Does LTC4264CDE#TRPBF have built-in protection features? A: Yes, LTC4264CDE#TRPBF has built-in protection features such as thermal shutdown, overcurrent detection, and fault reporting to ensure safe and reliable operation.
Q: What is the operating voltage range of LTC4264CDE#TRPBF? A: LTC4264CDE#TRPBF operates within a voltage range of 36V to 57V, which is typical for PoE applications.
Q: Are there any application notes or reference designs available for LTC4264CDE#TRPBF? A: Yes, Analog Devices provides application notes, reference designs, and technical documentation on their website to assist with the implementation of LTC4264CDE#TRPBF in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific design requirements and application scenarios.