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LTC4269CDKD-2#PBF
Product Overview
Category
The LTC4269CDKD-2#PBF 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 power and data 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 and control functions
- Enables efficient power delivery over Ethernet cables
- Compact and versatile design
Package
The LTC4269CDKD-2#PBF is available in a small form factor package, which ensures easy integration into various electronic devices. The package type is known as DFN (Dual Flat No-Lead), which offers improved thermal performance and reduced footprint.
Essence
The essence of LTC4269CDKD-2#PBF lies in its ability to efficiently manage power delivery in PoE systems, ensuring reliable operation of connected devices while simplifying installation and reducing overall costs.
Packaging/Quantity
This product is typically supplied in tape and reel packaging, suitable for automated assembly processes. The exact quantity per reel may vary depending on the supplier, but it is commonly available in quantities of 250 or 1000 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 44V to 57V
- Maximum Output Current: 600mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W
- Package Type: DFN-10
Detailed Pin Configuration
The LTC4269CDKD-2#PBF features a 10-pin DFN package with the following pin configuration:
- VOUT
- GND
- NC (No Connection)
- NC
- NC
- NC
- NC
- NC
- VIN
- NC
Functional Features
- Integrated detection and classification of powered devices
- Automatic current limit and thermal shutdown protection
- Programmable inrush current limit
- Adjustable output voltage
- Robust fault protection mechanisms
- Low power consumption in standby mode
Advantages and Disadvantages
Advantages
- Compliance with IEEE 802.3af/at standards ensures compatibility with a wide range of PoE devices
- Efficient power management and control capabilities
- Compact form factor allows for easy integration into various applications
- Reliable operation with built-in fault protection mechanisms
- Simplifies installation by eliminating the need for separate power cables
Disadvantages
- Limited maximum output current may not be suitable for high-power PoE applications
- Temperature limitations may restrict usage in extreme environments
Working Principles
The LTC4269CDKD-2#PBF operates based on the principles of Power over Ethernet technology. It utilizes integrated circuitry to detect, classify, and deliver power to connected devices over standard Ethernet cables. The device incorporates advanced power management algorithms to ensure efficient power transfer while protecting against faults and overloads.
Detailed Application Field Plans
The LTC4269CDKD-2#PBF finds application in various fields, including: - IP cameras and surveillance systems - Wireless access points - VoIP phones - Industrial automation equipment - Building management systems - IoT devices
Detailed and Complete Alternative Models
- LTC4269A-2#PBF
- LTC4269CDE-2#PBF
- LTC4269IDE-2#PBF
- LTC4269IDKD-2#PBF
- LTC4269A-1#PBF
These alternative models offer similar functionality and compatibility with PoE systems, providing flexibility in choosing the most suitable option for specific applications.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LTC4269CDKD-2#PBF w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of LTC4269CDKD-2#PBF in technical solutions:
Q: What is LTC4269CDKD-2#PBF? A: LTC4269CDKD-2#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 main features of LTC4269CDKD-2#PBF? A: The main features of LTC4269CDKD-2#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 LTC4269CDKD-2#PBF be used in technical solutions? A: LTC4269CDKD-2#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 LTC4269CDKD-2#PBF can handle? A: LTC4269CDKD-2#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 connected PoE PSE (Power Sourcing Equipment).
Q: Can LTC4269CDKD-2#PBF operate with both 48V and 54V PoE systems? A: Yes, LTC4269CDKD-2#PBF is compatible with both 48V and 54V PoE systems, allowing flexibility in the choice of power source.
Q: Does LTC4269CDKD-2#PBF support power classification? A: Yes, LTC4269CDKD-2#PBF supports power classification according to IEEE 802.3af/at standards, allowing it to negotiate the power requirements with the connected PSE.
Q: Can LTC4269CDKD-2#PBF handle power over all four pairs of Ethernet cables? A: Yes, LTC4269CDKD-2#PBF supports power delivery over all four pairs of Ethernet cables, enabling higher power transmission capabilities.
Q: What are the protection features of LTC4269CDKD-2#PBF? A: LTC4269CDKD-2#PBF provides various protection features such as overcurrent protection, short-circuit protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
Q: Is LTC4269CDKD-2#PBF suitable for outdoor applications? A: Yes, LTC4269CDKD-2#PBF is designed to operate in a wide temperature range (-40°C to +85°C) and can be used in outdoor applications that require PoE functionality.
Q: Where can I find more information about LTC4269CDKD-2#PBF? A: You can find more detailed information about LTC4269CDKD-2#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support team.