LTC4267IDHC#PBF
Product Overview
Category
The LTC4267IDHC#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This IC is primarily used for power sourcing equipment (PSE) in Power over Ethernet (PoE) systems. It enables the delivery of both power and data over a single Ethernet cable, eliminating the need for separate power cables in network devices.
Characteristics
- The LTC4267IDHC#PBF is a highly efficient PoE controller with advanced features.
- It supports IEEE 802.3af/at standards, allowing it to provide power to compatible devices.
- This IC offers various protection mechanisms, such as overcurrent and overvoltage protection, ensuring safe operation.
- It incorporates a robust isolation barrier, enhancing system reliability and preventing damage from voltage spikes.
Package
The LTC4267IDHC#PBF comes in a small form factor package known as a 16-pin plastic dual-in-line package (PDIP). This package provides ease of integration into circuit boards and facilitates thermal dissipation.
Essence
The essence of the LTC4267IDHC#PBF lies in its ability to efficiently manage power delivery in PoE systems, ensuring reliable operation and simplifying device connectivity.
Packaging/Quantity
The LTC4267IDHC#PBF is typically available in reels containing 250 units. This packaging quantity allows for convenient handling during manufacturing processes.
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
- Power Dissipation: 1.5W
- Isolation Voltage: 1500Vrms
Detailed Pin Configuration
The LTC4267IDHC#PBF features the following pin configuration:
- VDD - Power supply input
- GND - Ground reference
- VOUT - Output voltage
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
- NC - No connection
Functional Features
- IEEE 802.3af/at compliant PoE controller
- Integrated detection and classification mechanisms for connected devices
- Efficient power management with low power dissipation
- Comprehensive protection features, including overcurrent and overvoltage protection
- Robust isolation barrier for enhanced system reliability
Advantages and Disadvantages
Advantages
- Simplifies power delivery in PoE systems, eliminating the need for separate power cables
- Supports industry-standard PoE protocols, ensuring compatibility with a wide range of devices
- Offers advanced protection mechanisms, safeguarding both the PSE and connected devices
- Compact form factor enables easy integration into various circuit designs
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Requires careful consideration of thermal management due to power dissipation
Working Principles
The LTC4267IDHC#PBF operates based on the IEEE 802.3af/at standards for PoE. It detects and classifies connected devices, determining their power requirements. The IC then regulates the power delivery accordingly, ensuring safe and efficient operation.
Detailed Application Field Plans
The LTC4267IDHC#PBF finds applications in various fields, including:
- Network Switches: Enables power delivery to connected devices, such as IP phones and wireless access points, simplifying installation and reducing cable clutter.
- Security Systems: Powers IP cameras and other security devices, eliminating the need for separate power supplies and enabling centralized management.
- Industrial Automation: Provides power to remote sensors, actuators, and control devices, facilitating data acquisition and control in industrial environments.
Detailed and Complete Alternative Models
- LTC4267IDHC#TRPBF: Similar to LTC4267IDHC#PBF but available in tape and reel packaging.
- LTC4267IDHC#GTRPBF: Similar to LTC4267IDHC#PBF but available in a lead (Pb)-free package.
These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af LTC4267IDHC#PBF i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of LTC4267IDHC#PBF in technical solutions:
Q: What is LTC4267IDHC#PBF? A: LTC4267IDHC#PBF is a specific model of Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices). It provides power management and control functions for PoE applications.
Q: What are the key features of LTC4267IDHC#PBF? A: Some key features of LTC4267IDHC#PBF include IEEE 802.3af/at compliant PoE PD interface, integrated DC-DC converter controller, programmable current limit, thermal shutdown protection, and fault detection capabilities.
Q: How can LTC4267IDHC#PBF be used in technical solutions? A: LTC4267IDHC#PBF can be used as a PoE PD interface in various technical solutions such as IP cameras, wireless access points, VoIP phones, industrial automation equipment, and other devices that require power and data transmission over Ethernet cables.
Q: What is the maximum power that LTC4267IDHC#PBF can handle? A: LTC4267IDHC#PBF supports both IEEE 802.3af (up to 15.4W) and IEEE 802.3at (up to 30W) power levels, depending on the capabilities of the PoE PSE (Power Sourcing Equipment).
Q: Can LTC4267IDHC#PBF operate with different types of Ethernet cables? A: Yes, LTC4267IDHC#PBF is compatible with both Category 5 (Cat 5) and Category 6 (Cat 6) Ethernet cables commonly used in networking applications.
Q: Does LTC4267IDHC#PBF provide protection against overcurrent and short-circuit conditions? A: Yes, LTC4267IDHC#PBF includes built-in protection mechanisms such as programmable current limit and fault detection to safeguard against overcurrent and short-circuit events.
Q: Can LTC4267IDHC#PBF be used in high-temperature environments? A: Yes, LTC4267IDHC#PBF is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C, making it suitable for various industrial and outdoor applications.
Q: Is LTC4267IDHC#PBF compatible with other PoE standards like PoE++ (802.3bt)? A: No, LTC4267IDHC#PBF is not compatible with the latest PoE++ standard (IEEE 802.3bt) which supports higher power levels. It is specifically designed for IEEE 802.3af/at compliant PoE applications.
Q: Can LTC4267IDHC#PBF be used in standalone mode or does it require additional components? A: LTC4267IDHC#PBF requires external components such as an external MOSFET, transformer, and passive components to form a complete PoE PD solution.
Q: Where can I find more information about LTC4267IDHC#PBF and its application in technical solutions? A: You can refer to the datasheet and application notes provided by Analog Devices (formerly Linear Technology) for detailed information on LTC4267IDHC#PBF and its application in various technical solutions.