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LT4276CHUFD#PBF
Product Overview
Category
LT4276CHUFD#PBF belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in power sourcing equipment (PSE) applications.
Characteristics
- LT4276CHUFD#PBF is a highly efficient and compact IC.
- It provides power over Ethernet (PoE) functionality.
- The IC supports various PoE standards, including IEEE 802.3af and IEEE 802.3at.
- It offers advanced features for power management and control.
Package
LT4276CHUFD#PBF comes in a small form factor package, making it suitable for space-constrained applications.
Essence
The essence of this product lies in its ability to deliver power and data over Ethernet cables, simplifying installation and reducing costs.
Packaging/Quantity
LT4276CHUFD#PBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 14V
- Maximum Output Current: 600mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W
Detailed Pin Configuration
The LT4276CHUFD#PBF IC has the following pin configuration:
- VDD: Power supply input
- GND: Ground connection
- MDI: Ethernet media dependent interface
- MDO: Ethernet media dependent output
- PSECTRL: Control pin for PSE operation
- AUX: Auxiliary power output
- CLASS: Classification resistor connection
- FLT: Fault indicator output
- INT: Interrupt output
- REF: Reference voltage output
- VOUT: Output voltage
- VEE: Negative power supply input
Functional Features
- LT4276CHUFD#PBF supports both 2-pair and 4-pair power delivery.
- It incorporates advanced power management features, such as programmable current limit and thermal shutdown protection.
- The IC provides accurate classification and detection of powered devices.
- It offers a wide input voltage range for compatibility with various power sources.
Advantages and Disadvantages
Advantages
- High efficiency and compact size
- Wide input voltage range
- Advanced power management features
- Accurate classification and detection of powered devices
Disadvantages
- Limited maximum output current (600mA)
- Operating temperature range may not be suitable for extreme environments
Working Principles
LT4276CHUFD#PBF operates by receiving power and data from an Ethernet cable through the MDI pin. It then processes the received power and data, providing regulated power to the connected device through the VOUT pin. The IC incorporates various control mechanisms to ensure efficient power delivery and protection against faults.
Detailed Application Field Plans
LT4276CHUFD#PBF finds applications in a wide range of fields, including: 1. IP cameras and surveillance systems 2. Wireless access points 3. VoIP phones 4. Industrial automation equipment 5. Building management systems
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LT4276CHUFD#PBF include: 1. LT4276A 2. LT4276B 3. LT4276C 4. LT4276D
These models are manufactured by the same company and provide comparable features and performance.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT4276CHUFD#PBF trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LT4276CHUFD#PBF in technical solutions:
Q: What is LT4276CHUFD#PBF? A: LT4276CHUFD#PBF is a specific model number for a Power over Ethernet (PoE) controller IC manufactured by Analog Devices.
Q: What is the purpose of LT4276CHUFD#PBF? A: The purpose of LT4276CHUFD#PBF is to provide power and data connectivity to PoE-enabled devices, such as IP cameras, wireless access points, and VoIP phones, through an Ethernet cable.
Q: What is the maximum power output of LT4276CHUFD#PBF? A: LT4276CHUFD#PBF can deliver up to 25.5 watts of power to the connected PoE device.
Q: Can LT4276CHUFD#PBF be used with both 802.3af and 802.3at PoE standards? A: Yes, LT4276CHUFD#PBF is compatible with both 802.3af (PoE) and 802.3at (PoE+) standards, allowing it to work with a wide range of PoE devices.
Q: Does LT4276CHUFD#PBF support power management features? A: Yes, LT4276CHUFD#PBF offers various power management features, including programmable current limit, thermal shutdown protection, and fault detection.
Q: Can LT4276CHUFD#PBF be used in industrial applications? A: Yes, LT4276CHUFD#PBF is designed to operate reliably in industrial environments, making it suitable for applications such as factory automation and outdoor surveillance.
Q: What is the input voltage range for LT4276CHUFD#PBF? A: LT4276CHUFD#PBF can accept an input voltage range of 36V to 57V, which is typically provided by a PoE switch or injector.
Q: Does LT4276CHUFD#PBF support power classification? A: Yes, LT4276CHUFD#PBF supports power classification according to the IEEE 802.3af/at standards, allowing it to negotiate the power requirements with the connected device.
Q: Can LT4276CHUFD#PBF be used in low-power applications? A: Yes, LT4276CHUFD#PBF can operate in low-power mode, reducing its own power consumption when the connected device requires less power.
Q: Are there any evaluation boards available for LT4276CHUFD#PBF? A: Yes, Analog Devices provides evaluation boards for LT4276CHUFD#PBF, which can help developers quickly prototype and test their PoE solutions.
Please note that the specific details and features of LT4276CHUFD#PBF may vary, so it's always recommended to refer to the datasheet or consult with Analog Devices for accurate information.