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LTC4267IDHC#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 (3mm x 4mm)
Essence: The LTC4267IDHC#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: 2.5V to 14V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Package Type: DFN-12
Pin Configuration
The LTC4267IDHC#TRPBF features the following pin configuration:
- VOUT
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- VIN
Functional Features
- Integrated switching regulator for efficient power conversion
- Programmable current limit for device protection
- Automatic detection and classification of powered devices
- Comprehensive fault protection features
- Low-power sleep mode for energy efficiency
Advantages and Disadvantages
Advantages: - High level of integration reduces external component count - Wide input voltage range allows compatibility with various power sources - Robust fault protection ensures system reliability - Efficient power conversion minimizes energy losses
Disadvantages: - Limited maximum output current may not be suitable for high-power devices - DFN package may require careful handling during assembly
Working Principles
The LTC4267IDHC#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 to a regulated output voltage suitable for powering PoE-enabled devices. The controller automatically detects and classifies the powered device, ensuring proper power delivery.
The device incorporates various protection features such as overcurrent, overvoltage, and thermal shutdown to safeguard both the PSE and the powered device. It also supports sleep mode, which reduces power consumption when the device is not actively transmitting or receiving data.
Application Field Plans
The LTC4267IDHC#TRPBF finds applications in a wide range of PoE systems, including: - IP cameras and surveillance systems - Wireless access points - VoIP phones - Industrial automation equipment - Building management systems
Alternative Models
- LTC4267IDHC#PBF: Similar to LTC4267IDHC#TRPBF but available in a different package (SSOP-16).
- LTC4267IDHC#GTRPBF: Enhanced version with extended temperature range (-40°C to 125°C).
These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LTC4267IDHC#TRPBF w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of LTC4267IDHC#TRPBF in technical solutions:
Q: What is LTC4267IDHC#TRPBF? A: LTC4267IDHC#TRPBF is a specific model number for a Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices).
Q: What is the purpose of LTC4267IDHC#TRPBF? A: The LTC4267IDHC#TRPBF is designed to provide power and data connectivity to devices over an Ethernet network using the PoE standard.
Q: How does LTC4267IDHC#TRPBF work? A: The LTC4267IDHC#TRPBF integrates various functions like detection, classification, and current limiting to enable safe and efficient power delivery over Ethernet cables.
Q: What are the key features of LTC4267IDHC#TRPBF? A: Some key features include IEEE 802.3af/at compliance, integrated detection/classification circuitry, programmable current limit, thermal shutdown protection, and fault reporting.
Q: Can LTC4267IDHC#TRPBF be used with both 10/100 Mbps and Gigabit Ethernet networks? A: Yes, LTC4267IDHC#TRPBF is compatible with both 10/100 Mbps and Gigabit Ethernet networks.
Q: Is LTC4267IDHC#TRPBF suitable for high-power applications? A: Yes, LTC4267IDHC#TRPBF supports high-power applications as it complies with the IEEE 802.3at standard, which allows for up to 25.5W of power delivery.
Q: Can LTC4267IDHC#TRPBF be used in industrial environments? A: Yes, LTC4267IDHC#TRPBF is designed to operate reliably in industrial environments with a wide temperature range and robust protection features.
Q: What are the typical applications of LTC4267IDHC#TRPBF? A: LTC4267IDHC#TRPBF is commonly used in various PoE-enabled devices such as IP cameras, wireless access points, VoIP phones, and industrial automation equipment.
Q: Does LTC4267IDHC#TRPBF require external components for operation? A: Yes, LTC4267IDHC#TRPBF requires some external components like resistors, capacitors, and transformers to complete the PoE implementation.
Q: Where can I find more information about LTC4267IDHC#TRPBF? A: You can refer to the datasheet and application notes provided by Analog Devices or visit their official website for detailed information on LTC4267IDHC#TRPBF.
Please note that the specific details and answers may vary depending on the actual product documentation and manufacturer's guidelines.