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LTC4267IGN-3#TRPBF
Product Overview
Category
The LTC4267IGN-3#TRPBF 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 designed for PoE applications
- Supports IEEE 802.3af/at standards
- Provides power management functions
- Enables efficient power delivery over Ethernet cables
Package
The LTC4267IGN-3#TRPBF is available in an 8-pin, thermally enhanced, small outline integrated circuit (SOIC) package.
Essence
The essence of this product lies in its ability to efficiently manage and deliver power over Ethernet cables, simplifying the installation and operation of PoE systems.
Packaging/Quantity
The LTC4267IGN-3#TRPBF is typically packaged in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 44V to 57V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W
Detailed 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
- VIN: Input voltage pin
- NC: No connection pin
Functional Features
- IEEE 802.3af/at compliant
- Integrated detection and classification functions
- Programmable current limit and disconnect thresholds
- Overtemperature protection
- Integrated flyback controller for isolated power supply applications
Advantages and Disadvantages
Advantages
- Simplifies PoE system implementation
- Enables efficient power delivery over Ethernet cables
- Supports industry-standard IEEE 802.3af/at
- Provides comprehensive power management features
- Integrated flyback controller enhances versatility
Disadvantages
- Limited maximum output current (400mA)
- Requires careful consideration of thermal management due to power dissipation
Working Principles
The LTC4267IGN-3#TRPBF integrates various power management functions required for PoE systems. It incorporates detection and classification circuitry to identify powered devices connected to the Ethernet cable. The device then provides the appropriate power level based on the detected device's requirements.
The integrated flyback controller allows the LTC4267IGN-3#TRPBF to be used in isolated power supply applications, enabling the creation of galvanically isolated power sources for connected devices.
Detailed Application Field Plans
The LTC4267IGN-3#TRPBF finds extensive application in various fields, including:
- IP Cameras: Enables power and data transmission to IP cameras, eliminating the need for separate power cables.
- Wireless Access Points: Facilitates power delivery to wireless access points, simplifying installation and reducing clutter.
- VoIP Phones: Powers VoIP phones through Ethernet cables, streamlining deployment and maintenance.
- Network Switches: Allows for power sourcing capabilities in network switches, enhancing flexibility in network design.
Detailed and Complete Alternative Models
- LTC4267IGN-2#TRPBF: Similar to LTC4267IGN-3#TRPBF but with a different pin configuration.
- LTC4267IGN-4#TRPBF: Higher maximum output current (600mA) compared to LTC4267IGN-3#TRPBF.
- LTC4267IGN-5#TRPBF: Lower maximum output current (200mA) compared to LTC4267IGN-3#TRPBF.
These alternative models provide options with varying specifications to suit different application requirements.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LTC4267IGN-3#TRPBF w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of LTC4267IGN-3#TRPBF in technical solutions:
Q: What is the LTC4267IGN-3#TRPBF? A: The LTC4267IGN-3#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.
Q: What is Power over Ethernet (PoE)? A: Power over Ethernet (PoE) is a technology that allows both power and data to be transmitted over a single Ethernet cable, simplifying the installation of network devices.
Q: What are the key features of the LTC4267IGN-3#TRPBF? A: The LTC4267IGN-3#TRPBF features IEEE 802.3af-compliant PoE, integrated switching regulator, programmable current limit, and thermal shutdown protection.
Q: How can I use the LTC4267IGN-3#TRPBF in my technical solution? A: The LTC4267IGN-3#TRPBF can be used as a PoE controller to provide power to various devices such as IP cameras, wireless access points, and VoIP phones.
Q: What is the maximum power output of the LTC4267IGN-3#TRPBF? A: The LTC4267IGN-3#TRPBF can deliver up to 15.4W of power per port, which is the maximum allowed by the IEEE 802.3af standard.
Q: Can the LTC4267IGN-3#TRPBF support multiple ports? A: Yes, the LTC4267IGN-3#TRPBF can support multiple ports, allowing you to power and control multiple PoE devices simultaneously.
Q: Does the LTC4267IGN-3#TRPBF provide any protection features? A: Yes, the LTC4267IGN-3#TRPBF includes thermal shutdown protection and programmable current limit to protect against overloading and overheating.
Q: What is the input voltage range for the LTC4267IGN-3#TRPBF? A: The LTC4267IGN-3#TRPBF operates with an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: Can I use the LTC4267IGN-3#TRPBF in industrial environments? A: Yes, the LTC4267IGN-3#TRPBF is designed to operate in a wide temperature range and can be used in industrial environments.
Q: Where can I find more information about the LTC4267IGN-3#TRPBF? A: You can find more detailed information about the LTC4267IGN-3#TRPBF in its datasheet, which is available on the manufacturer's website or through authorized distributors.