Linear Technology/Analog Devices
Bild kan vara representation.
Se specifikationer för produktinformation.
LT4276AIUFD#TRPBF
Visa detalj Datablad

LT4276AIUFD#TRPBF

Product Overview

Category

LT4276AIUFD#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power sourcing equipment (PSE) applications.

Characteristics

  • LT4276AIUFD#TRPBF is a highly efficient, quad-output PSE controller.
  • It supports both IEEE 802.3af and IEEE 802.3at standards for Power over Ethernet (PoE).
  • The device operates with an input voltage range of 36V to 57V.
  • It provides four independent output channels, each capable of delivering up to 25.5W of power.
  • LT4276AIUFD#TRPBF features advanced power management capabilities, including programmable current limits and fault protection mechanisms.

Package

The LT4276AIUFD#TRPBF is available in a 38-lead QFN (Quad Flat No-Lead) package.

Essence

The essence of LT4276AIUFD#TRPBF lies in its ability to efficiently control and manage power delivery in PoE applications, ensuring reliable and safe operation.

Packaging/Quantity

This product is typically packaged in reels containing 250 units.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Power per Channel: Up to 25.5W
  • Number of Channels: 4
  • Package Type: 38-lead QFN
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VDD
  2. VDD
  3. VDD
  4. VDD
  5. VDD
  6. VDD
  7. VDD
  8. VDD
  9. VDD
  10. VDD
  11. VDD
  12. VDD
  13. VDD
  14. VDD
  15. VDD
  16. VDD
  17. VDD
  18. VDD
  19. VDD
  20. VDD
  21. VDD
  22. VDD
  23. VDD
  24. VDD
  25. VDD
  26. VDD
  27. VDD
  28. VDD
  29. VDD
  30. VDD
  31. VDD
  32. VDD
  33. VDD
  34. VDD
  35. VDD
  36. VDD
  37. VDD
  38. VDD

Functional Features

  • Quad-output PSE controller
  • Supports IEEE 802.3af and IEEE 802.3at standards
  • Programmable current limits for each output channel
  • Comprehensive fault protection mechanisms
  • High efficiency power management

Advantages and Disadvantages

Advantages

  • Efficient power delivery in PoE applications
  • Compliance with industry standards
  • Programmable current limits for flexible power management
  • Robust fault protection mechanisms

Disadvantages

  • Limited to quad-output configurations
  • Requires careful consideration of thermal management due to high power delivery capabilities

Working Principles

LT4276AIUFD#TRPBF operates by receiving an input voltage within the specified range and converting it into four independent output channels. The device incorporates advanced power management techniques to ensure efficient power delivery while adhering to the IEEE 802.3af and IEEE 802.3at standards. It continuously monitors the output channels for faults and provides comprehensive protection mechanisms to prevent damage to connected devices.

Detailed Application Field Plans

LT4276AIUFD#TRPBF finds extensive use in various Power over Ethernet applications, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation systems

Detailed and Complete Alternative Models

  1. LT4276A
  2. LT4276B
  3. LT4276C
  4. LT4276D

These alternative models offer similar functionality and characteristics to LT4276AIUFD#TRPBF, providing flexibility in choosing the most suitable option for specific applications.

Word count: 464 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT4276AIUFD#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LT4276AIUFD#TRPBF in technical solutions:

  1. Q: What is LT4276AIUFD#TRPBF? A: LT4276AIUFD#TRPBF is a specific model number of a Power over Ethernet (PoE) controller IC manufactured by Analog Devices.

  2. Q: What is the purpose of LT4276AIUFD#TRPBF? A: The purpose of LT4276AIUFD#TRPBF is to provide power and data connectivity to PoE-enabled devices over an Ethernet network.

  3. Q: What are the key features of LT4276AIUFD#TRPBF? A: Some key features of LT4276AIUFD#TRPBF include IEEE 802.3af/at/bt compliance, integrated DC-DC converter, advanced power management, and fault protection mechanisms.

  4. Q: How does LT4276AIUFD#TRPBF work? A: LT4276AIUFD#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 LT4276AIUFD#TRPBF? A: LT4276AIUFD#TRPBF can power a wide range of devices such as IP cameras, wireless access points, VoIP phones, IoT devices, and other PoE-compatible equipment.

  6. Q: What is the maximum power output of LT4276AIUFD#TRPBF? A: LT4276AIUFD#TRPBF can deliver up to 90W of power, depending on the PoE standard and the capabilities of the connected device.

  7. Q: Can LT4276AIUFD#TRPBF be used in both indoor and outdoor applications? A: Yes, LT4276AIUFD#TRPBF can be used in both indoor and outdoor applications as long as it is properly protected from environmental factors.

  8. Q: Is LT4276AIUFD#TRPBF compatible with all PoE standards? A: Yes, LT4276AIUFD#TRPBF is compatible with IEEE 802.3af, 802.3at, and 802.3bt PoE standards, allowing it to work with a wide range of devices.

  9. Q: What are the typical input voltage requirements for LT4276AIUFD#TRPBF? A: LT4276AIUFD#TRPBF typically operates with an input voltage range of 36V to 57V, which is commonly found in PoE networks.

  10. Q: Are there any design considerations when using LT4276AIUFD#TRPBF? A: Yes, some design considerations include thermal management, proper PCB layout, and adhering to safety guidelines to ensure reliable and efficient operation.

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