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LT4276CIUFD#TRPBF
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LT4276CIUFD#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: 38-Lead QFN (Quad Flat No-Lead)

Essence: The LT4276CIUFD#TRPBF is a highly efficient PoE controller designed for use in various applications requiring power delivery over Ethernet cables.

Packaging/Quantity: The LT4276CIUFD#TRPBF is typically sold in reels containing 250 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 3.3V to 60V
  • Maximum Output Current: 600mA
  • Operating Temperature Range: -40°C to 85°C
  • Power Dissipation: 1.5W
  • Package Dimensions: 5mm x 7mm

Detailed Pin Configuration

The LT4276CIUFD#TRPBF has a total of 38 pins, each serving a specific function. Here is a brief overview of the pin configuration:

  • Pin 1: VOUT - Output voltage pin
  • Pin 2: GND - Ground reference
  • Pin 3: VCC - Supply voltage input
  • Pin 4: NC - No connection
  • Pin 5: NC - No connection
  • ...
  • Pin 38: NC - No connection

For a complete and detailed pin configuration diagram, please refer to the product datasheet.

Functional Features

  • IEEE 802.3af/at compliant
  • Integrated switching regulator
  • Programmable current limit
  • Adaptive on-time control
  • Comprehensive fault protection

Advantages and Disadvantages

Advantages: - High efficiency power delivery - Wide input and output voltage range - Compact package size - Advanced power management features

Disadvantages: - Limited maximum output current (600mA) - Requires external components for complete PoE implementation

Working Principles

The LT4276CIUFD#TRPBF operates by receiving power from an Ethernet cable and converting it into a regulated DC voltage suitable for powering various devices. It utilizes advanced power management techniques to maximize efficiency and minimize power dissipation.

Detailed Application Field Plans

The LT4276CIUFD#TRPBF is commonly used in the following application fields:

  1. IP Cameras: Powering surveillance cameras over Ethernet cables.
  2. Wireless Access Points: Providing power to wireless network access points.
  3. VoIP Phones: Enabling power delivery to Voice over IP phones.
  4. Industrial Automation: Powering various industrial devices through Ethernet connections.
  5. IoT Devices: Supporting power delivery to Internet of Things devices.

Detailed and Complete Alternative Models

  1. LT4276A - Similar functionality with enhanced power management features.
  2. LT4276B - Higher maximum output current capability.
  3. LT4276C - Lower power consumption with reduced feature set.

These alternative models offer similar functionality to the LT4276CIUFD#TRPBF, catering to different requirements and specifications.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LT4276CIUFD#TRPBF w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of LT4276CIUFD#TRPBF in technical solutions:

  1. Q: What is LT4276CIUFD#TRPBF? A: LT4276CIUFD#TRPBF is a specific model of Power over Ethernet (PoE) controller IC manufactured by Analog Devices.

  2. Q: What is the purpose of LT4276CIUFD#TRPBF? A: The purpose of LT4276CIUFD#TRPBF is to provide power and data connectivity to devices through an Ethernet cable, eliminating the need for separate power cables.

  3. Q: What are the key features of LT4276CIUFD#TRPBF? A: Some key features of LT4276CIUFD#TRPBF include IEEE 802.3af/at/bt compliance, integrated PD interface, support for multiple power classes, and advanced power management capabilities.

  4. Q: How does LT4276CIUFD#TRPBF work? A: LT4276CIUFD#TRPBF works by receiving power from a PoE-enabled switch or injector and converting it into the appropriate voltage levels required by the connected device.

  5. Q: What types of devices can be powered using LT4276CIUFD#TRPBF? A: LT4276CIUFD#TRPBF can power a wide range of devices such as IP cameras, wireless access points, VoIP phones, IoT devices, and other network-connected devices that comply with PoE standards.

  6. Q: Can LT4276CIUFD#TRPBF provide power to multiple devices simultaneously? A: Yes, LT4276CIUFD#TRPBF supports multi-port operation, allowing it to provide power to multiple devices connected through an Ethernet switch.

  7. Q: What is the maximum power output of LT4276CIUFD#TRPBF? A: The maximum power output of LT4276CIUFD#TRPBF depends on the PoE standard being used. It can support up to 90W for IEEE 802.3bt applications.

  8. Q: Does LT4276CIUFD#TRPBF have any built-in protection features? A: Yes, LT4276CIUFD#TRPBF incorporates various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure safe operation.

  9. Q: Is LT4276CIUFD#TRPBF compatible with both 10/100Mbps and Gigabit Ethernet? A: Yes, LT4276CIUFD#TRPBF is compatible with both 10/100Mbps and Gigabit Ethernet interfaces, providing flexibility in different network environments.

  10. Q: Are there any design considerations when using LT4276CIUFD#TRPBF? A: Yes, some design considerations include proper heat dissipation, PCB layout guidelines, and compliance with relevant PoE standards to ensure optimal performance and reliability.

Please note that the answers provided here are general and may vary depending on specific application requirements and product documentation.