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LT4275AIDD#TRPBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power over Ethernet (PoE) Controller
Characteristics: - High efficiency - Low power consumption - Small form factor - Advanced power management features
Package: 8-Lead DFN (Dual Flat No-Lead)
Essence: The LT4275AIDD#TRPBF is a PoE controller designed to provide power and data over Ethernet cables. It enables the implementation of Power Sourcing Equipment (PSE) in various applications.
Packaging/Quantity: The LT4275AIDD#TRPBF is available in tape and reel packaging, with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 60V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Package Type: DFN-8
Detailed Pin Configuration
The LT4275AIDD#TRPBF has the following pin configuration:
- VOUT: Output voltage pin
- GND: Ground pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- NC: No connection pin
- VIN: Input voltage pin
- NC: No connection pin
Functional Features
- IEEE 802.3af/at compliant
- Integrated detection and classification
- Programmable current limit
- Thermal shutdown protection
- Fast startup time
Advantages and Disadvantages
Advantages: - High efficiency power delivery - Compact size for space-constrained applications - Flexible current limit programming - Reliable thermal protection
Disadvantages: - Limited maximum output current (400mA) - Restricted input voltage range (36V to 57V)
Working Principles
The LT4275AIDD#TRPBF operates based on the IEEE 802.3af/at standards for Power over Ethernet. It integrates detection and classification functions to identify powered devices connected to the Ethernet cable. The controller then provides the appropriate power level to the device while ensuring efficient power delivery and protection against overcurrent and overheating.
Detailed Application Field Plans
The LT4275AIDD#TRPBF is suitable for a wide range of applications, including: 1. IP cameras 2. Wireless access points 3. VoIP phones 4. Industrial automation systems 5. Building management systems
Detailed and Complete Alternative Models
- LT4276AIDD#TRPBF: Similar to LT4275AIDD#TRPBF with higher maximum output current (600mA).
- LT4277AIDD#TRPBF: Similar to LT4275AIDD#TRPBF with extended input voltage range (36V to 60V).
These alternative models offer increased capabilities and compatibility for specific application requirements.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LT4275AIDD#TRPBF w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of LT4275AIDD#TRPBF in technical solutions:
Q: What is LT4275AIDD#TRPBF? A: LT4275AIDD#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.
Q: What is the purpose of LT4275AIDD#TRPBF? A: The purpose of LT4275AIDD#TRPBF is to provide power and data connectivity to PoE-enabled devices over Ethernet cables.
Q: What are the key features of LT4275AIDD#TRPBF? A: Some key features of LT4275AIDD#TRPBF include IEEE 802.3af/at/bt compliance, integrated PD detection, programmable current limit, and thermal shutdown protection.
Q: Can LT4275AIDD#TRPBF be used with both 10/100Mbps and Gigabit Ethernet networks? A: Yes, LT4275AIDD#TRPBF is compatible with both 10/100Mbps and Gigabit Ethernet networks.
Q: How much power can LT4275AIDD#TRPBF deliver to PoE devices? A: LT4275AIDD#TRPBF can deliver up to 90W of power to PoE devices, depending on the specific implementation.
Q: Is LT4275AIDD#TRPBF suitable for outdoor applications? A: Yes, LT4275AIDD#TRPBF is suitable for outdoor applications as it has a wide operating temperature range and supports extended temperature operation.
Q: Can LT4275AIDD#TRPBF be used with non-PoE devices? A: Yes, LT4275AIDD#TRPBF can be used with non-PoE devices by connecting them to a PoE splitter or using a separate power supply.
Q: Does LT4275AIDD#TRPBF support power management features? A: Yes, LT4275AIDD#TRPBF supports various power management features such as power prioritization and power budgeting.
Q: What is the input voltage range for LT4275AIDD#TRPBF? A: The input voltage range for LT4275AIDD#TRPBF is typically between 36V and 57V.
Q: Are there any evaluation boards or reference designs available for LT4275AIDD#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LT4275AIDD#TRPBF to assist in its implementation.
Please note that the specific details and answers may vary depending on the application and implementation requirements.