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LTC4263IDE-1#TRPBF
Product Overview
Category
The LTC4263IDE-1#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-compliant PSE devices.
Characteristics
- The LTC4263IDE-1#TRPBF is designed to support high-power PoE applications, delivering up to 25.5W of power per port.
- It features an integrated detection signature and classification current range, enabling accurate identification of powered devices (PDs).
- The device supports both 2-event and 4-event classification methods, providing flexibility in PD compatibility.
- It incorporates advanced protection features such as overcurrent and short-circuit protection, ensuring safe operation of the PSE system.
- The LTC4263IDE-1#TRPBF offers a wide input voltage range, allowing it to be used in various power supply configurations.
- It is available in a compact 16-lead DFN package, which facilitates easy integration into PSE designs.
Packaging/Quantity
The LTC4263IDE-1#TRPBF is supplied in tape and reel packaging, with 250 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Maximum Output Current: 600mA
- Operating Temperature Range: -40°C to 85°C
- Package Type: 16-Lead DFN
Detailed Pin Configuration
The LTC4263IDE-1#TRPBF has the following pin configuration:
- VDD - Power Supply Input
- GND - Ground
- VEE - Negative Supply Voltage
- VPORT - Port Voltage Output
- CLASS - Classification Current Input
- DETECT - Detection Signature Input
- ILIM - Current Limit Set Input
- 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
- Integrated detection signature and classification current range for accurate PD identification.
- Supports both 2-event and 4-event classification methods.
- Overcurrent and short-circuit protection for enhanced system safety.
- Wide input voltage range for versatile power supply configurations.
Advantages and Disadvantages
Advantages
- High-power PoE support, delivering up to 25.5W per port.
- Compact package for easy integration into PSE designs.
- Advanced protection features ensure safe operation.
Disadvantages
- Limited output current of 600mA may not be suitable for high-power PDs.
Working Principles
The LTC4263IDE-1#TRPBF operates by detecting and classifying connected PDs based on their signature and classification current. It then provides the appropriate power level to the PD while ensuring protection against overcurrent and short-circuits. The device's wide input voltage range allows it to accommodate different power supply configurations.
Detailed Application Field Plans
The LTC4263IDE-1#TRPBF finds applications in various Power over Ethernet systems, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the LTC4263IDE-1#TRPBF include: - LTC4267IDE-1#PBF - LTC4265IDE-1#TRPBF - LTC4274IDE-1#PBF - LTC4270IDE-1#TRPBF
These alternative models provide comparable features and can be considered as substitutes depending on specific design requirements.
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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui LTC4263IDE-1#TRPBF în soluțiile tehnice
Sure! Here are 10 common questions and answers related to the application of LTC4263IDE-1#TRPBF in technical solutions:
Q1: What is LTC4263IDE-1#TRPBF? A1: LTC4263IDE-1#TRPBF is a specific model number for a power sourcing equipment (PSE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is used in Power over Ethernet (PoE) applications.
Q2: What is the purpose of LTC4263IDE-1#TRPBF? A2: The LTC4263IDE-1#TRPBF is designed to provide power and control functions for PoE systems. It enables the delivery of power over Ethernet cables to devices such as IP cameras, wireless access points, and VoIP phones.
Q3: What are the key features of LTC4263IDE-1#TRPBF? A3: Some key features of LTC4263IDE-1#TRPBF include IEEE 802.3af/at compliant PSE controller, integrated detection and classification, programmable current limit, fault protection, and thermal shutdown.
Q4: How does LTC4263IDE-1#TRPBF detect and classify powered devices? A4: LTC4263IDE-1#TRPBF uses a proprietary detection algorithm to identify if a connected device is compatible with IEEE 802.3af/at standards. It also classifies the device based on its power requirements.
Q5: Can LTC4263IDE-1#TRPBF support both 802.3af and 802.3at devices? A5: Yes, LTC4263IDE-1#TRPBF is compatible with both IEEE 802.3af and 802.3at devices. It can automatically detect and classify them accordingly.
Q6: What is the maximum power that LTC4263IDE-1#TRPBF can deliver? A6: The LTC4263IDE-1#TRPBF can deliver up to 25.5W of power, which is compliant with the IEEE 802.3at standard.
Q7: Can LTC4263IDE-1#TRPBF protect against overcurrent and short-circuit conditions? A7: Yes, LTC4263IDE-1#TRPBF has built-in protection features such as programmable current limit and fault protection to safeguard against overcurrent and short-circuit conditions.
Q8: Does LTC4263IDE-1#TRPBF have thermal protection? A8: Yes, LTC4263IDE-1#TRPBF includes a thermal shutdown feature that protects the IC from overheating.
Q9: Can LTC4263IDE-1#TRPBF be used in industrial applications? A9: Yes, LTC4263IDE-1#TRPBF is suitable for industrial applications as it operates over a wide temperature range and is designed to withstand harsh environments.
Q10: Are there any evaluation boards or reference designs available for LTC4263IDE-1#TRPBF? A10: Yes, Analog Devices provides evaluation boards and reference designs for LTC4263IDE-1#TRPBF, which can help developers quickly prototype and implement PoE 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 application notes provided by the manufacturer for detailed information.