LTC4269CDKD-2#TRPBF
Product Overview
Category
The LTC4269CDKD-2#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.
Use
This product is primarily used for power sourcing equipment (PSE) applications in Power over Ethernet (PoE) systems. It provides a complete solution for implementing IEEE 802.3at Type 2 compliant PSE devices.
Characteristics
- The LTC4269CDKD-2#TRPBF is designed to deliver up to 25.5W of power to powered devices (PDs) over standard Ethernet cables.
- It supports both 10/100Mbps and Gigabit Ethernet data rates.
- This IC incorporates various protection features such as overcurrent, short-circuit, and thermal shutdown protection.
- It offers advanced power management capabilities, including programmable current limit and classification current.
Package
The LTC4269CDKD-2#TRPBF is available in a small form factor 12-lead DFN (Dual Flat No-Lead) package.
Essence
The essence of this product lies in its ability to efficiently provide power to PoE devices while ensuring reliable operation and protection against faults.
Packaging/Quantity
The LTC4269CDKD-2#TRPBF is typically supplied in tape and reel packaging, with 250 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
- Quiescent Current: 1.8mA (typical)
Detailed Pin Configuration
The LTC4269CDKD-2#TRPBF features a 12-lead DFN package with the following pin configuration:
- VDD
- VDD
- VDD
- GND
- GND
- GND
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- Integrated detection and classification circuitry for PD identification.
- Programmable current limit and classification current settings.
- Automatic detection and protection against overcurrent and short-circuit conditions.
- Thermal shutdown protection to prevent damage due to excessive temperature.
Advantages and Disadvantages
Advantages
- Compliance with IEEE 802.3at Type 2 PoE standard.
- Efficient power delivery with programmable current limit.
- Comprehensive protection features ensure safe operation.
- Small form factor package allows for space-saving designs.
Disadvantages
- Limited output current capability compared to higher-power PoE solutions.
- Restricted pin configuration may limit flexibility in certain applications.
Working Principles
The LTC4269CDKD-2#TRPBF operates by detecting and classifying connected PDs using integrated circuitry. It then provides the appropriate power level based on the PD's requirements. The IC continuously monitors the power delivery process, ensuring protection against faults such as overcurrent and short-circuits. It also incorporates thermal shutdown protection to prevent overheating.
Detailed Application Field Plans
The LTC4269CDKD-2#TRPBF finds application in various Power over Ethernet systems, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment
Its ability to deliver power efficiently and provide comprehensive protection makes it suitable for a wide range of PSE devices.
Detailed and Complete Alternative Models
- LTC4269CDKD-1#TRPBF: Similar to LTC4269CDKD-2#TRPBF, but with a different pin configuration.
- LTC4269CDKD-3#TRPBF: Higher-power version of the LTC4269CDKD series, capable of delivering up to 30W of power.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LTC4269CDKD-2#TRPBF :n soveltamiseen teknisissä ratkaisuissa
Sure! Here are 10 common questions and answers related to the application of LTC4269CDKD-2#TRPBF in technical solutions:
Q: What is LTC4269CDKD-2#TRPBF? A: LTC4269CDKD-2#TRPBF is a specific model of Power over Ethernet (PoE) controller IC manufactured by Linear Technology.
Q: What is the purpose of LTC4269CDKD-2#TRPBF? A: The LTC4269CDKD-2#TRPBF is designed to provide power and data connectivity to network devices using PoE technology.
Q: What are the key features of LTC4269CDKD-2#TRPBF? A: Some key features include IEEE 802.3af/at compliant PoE, integrated switching regulator, thermal protection, and fault detection.
Q: How does LTC4269CDKD-2#TRPBF work? A: LTC4269CDKD-2#TRPBF integrates various functions like detection, classification, and current limiting to enable safe and efficient power delivery over Ethernet cables.
Q: What are the typical applications of LTC4269CDKD-2#TRPBF? A: LTC4269CDKD-2#TRPBF is commonly used in applications such as IP cameras, wireless access points, VoIP phones, and other PoE-powered devices.
Q: What is the maximum power that LTC4269CDKD-2#TRPBF can deliver? A: LTC4269CDKD-2#TRPBF can deliver up to 25.5W of power, which is compliant with the IEEE 802.3at standard.
Q: Can LTC4269CDKD-2#TRPBF be used with non-PoE devices? A: Yes, LTC4269CDKD-2#TRPBF can be used with non-PoE devices by using a PoE splitter or an external power supply.
Q: What is the input voltage range supported by LTC4269CDKD-2#TRPBF? A: LTC4269CDKD-2#TRPBF supports an input voltage range of 36V to 57V.
Q: Does LTC4269CDKD-2#TRPBF provide any protection features? A: Yes, LTC4269CDKD-2#TRPBF offers protection against overcurrent, overvoltage, and thermal shutdown.
Q: Is LTC4269CDKD-2#TRPBF RoHS compliant? A: Yes, LTC4269CDKD-2#TRPBF is RoHS (Restriction of Hazardous Substances) compliant, ensuring it meets environmental regulations.
Please note that the answers provided here are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.