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LTC4260CUH#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Sourcing Equipment (PSE) Controller
Characteristics: - High-performance PSE controller - Supports IEEE 802.3af/at compliant Powered Devices (PDs) - Enables power management and control in Power over Ethernet (PoE) systems
Package: 38-Lead 5mm × 7mm QFN
Essence: The LTC4260CUH#PBF is a highly efficient PSE controller designed for use in PoE systems. It provides advanced power management and control capabilities, allowing seamless integration of PDs into Ethernet networks.
Packaging/Quantity: The LTC4260CUH#PBF is available in a 38-Lead 5mm × 7mm QFN package. The quantity per package may vary depending on the supplier.
Specifications
The LTC4260CUH#PBF offers the following specifications:
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 57V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Quiescent Current: 1.6mA
- Power Dissipation: 1.5W
Pin Configuration
The pin configuration of the LTC4260CUH#PBF is as follows:
- VDD
- GND
- INTVCC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
The LTC4260CUH#PBF offers the following functional features:
- IEEE 802.3af/at Compliance: Ensures compatibility with a wide range of PDs.
- Integrated Power Management: Enables efficient power delivery and control in PoE systems.
- Advanced Fault Detection: Detects and protects against overcurrent, overvoltage, and short-circuit conditions.
- Programmable Current Limit: Allows customization of the maximum current delivered to PDs.
- Integrated Thermal Shutdown: Protects the device from excessive temperature.
Advantages and Disadvantages
Advantages: - High-performance PSE controller for reliable power management in PoE systems. - Supports IEEE 802.3af/at compliant PDs, ensuring compatibility. - Advanced fault detection and protection features enhance system reliability. - Programmable current limit allows customization based on specific requirements. - Integrated thermal shutdown protects the device from overheating.
Disadvantages: - Limited output current of 400mA may not be suitable for high-power applications. - The pin configuration lacks detailed information, making it difficult to understand the specific functionality of each pin.
Working Principles
The LTC4260CUH#PBF operates by receiving power from an external power source and delivering it to connected PDs. It utilizes advanced power management techniques to ensure efficient power transfer while maintaining compliance with IEEE 802.3af/at standards. The integrated fault detection mechanisms protect the system from potential damage caused by overcurrent, overvoltage, and short-circuit conditions.
Detailed Application Field Plans
The LTC4260CUH#PBF is commonly used in the following application fields:
- Network Switches: Enables power delivery to connected PDs, such as IP phones, wireless access points, and security cameras.
- Industrial Automation: Provides power to various industrial devices, including sensors, actuators, and controllers.
- Building Management Systems: Powers devices like HVAC controls, lighting systems, and access control systems over Ethernet networks.
- Internet of Things (IoT): Facilitates power delivery to IoT devices, enabling seamless connectivity and control.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC4260CUH#PBF include:
- LTC4261CUH#PBF
- LTC4262CUH#PBF
- LTC4263CUH#PBF
- LTC4264CUH#PBF
These alternative models can be considered based on specific requirements and compatibility with existing systems.
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10 domande e risposte comuni relative all'applicazione di LTC4260CUH#PBF nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of LTC4260CUH#PBF in technical solutions:
Q: What is LTC4260CUH#PBF? A: LTC4260CUH#PBF is a high-power IEEE 802.3af/at Power over Ethernet (PoE) controller designed for use in various technical solutions.
Q: What are the key features of LTC4260CUH#PBF? A: Some key features include integrated power MOSFETs, support for both PoE and PoE+ applications, and advanced thermal management capabilities.
Q: How does LTC4260CUH#PBF enable PoE functionality? A: LTC4260CUH#PBF integrates all the necessary functions required for PoE, such as detection, classification, and current limiting.
Q: Can LTC4260CUH#PBF be used in both PoE and PoE+ applications? A: Yes, LTC4260CUH#PBF supports both PoE (IEEE 802.3af) and PoE+ (IEEE 802.3at) applications, making it versatile for various power requirements.
Q: What is the maximum power that LTC4260CUH#PBF can deliver? A: LTC4260CUH#PBF can deliver up to 25.5W of power, which is the maximum allowed by the PoE+ standard.
Q: Does LTC4260CUH#PBF have any built-in protection features? A: Yes, LTC4260CUH#PBF includes various protection features like over-temperature shutdown, undervoltage lockout, and short-circuit protection.
Q: Can LTC4260CUH#PBF be used in industrial applications? A: Yes, LTC4260CUH#PBF is designed to operate in a wide temperature range and can be used in industrial applications that require PoE functionality.
Q: What is the input voltage range supported by LTC4260CUH#PBF? A: LTC4260CUH#PBF supports an input voltage range of 36V to 57V, which is typical for PoE applications.
Q: Does LTC4260CUH#PBF require any external components for operation? A: Yes, LTC4260CUH#PBF requires some external components like resistors and capacitors for proper operation as per the datasheet recommendations.
Q: Are there any evaluation boards or reference designs available for LTC4260CUH#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help in the development and testing of LTC4260CUH#PBF-based solutions.
Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.