LT4276AIUFD#PBF

Product Overview

Category

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

Use

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

Characteristics

• LT4276AIUFD#PBF is a highly efficient, quad-output PSE controller.
• It supports IEEE 802.3bt Type 3 and Type 4 compliant devices.
• The device operates over a wide input voltage range, making it suitable for various applications.
• It offers advanced features such as programmable current limits, fault protection, and thermal shutdown.
• LT4276AIUFD#PBF provides flexible power management options for PSE systems.

Package

The LT4276AIUFD#PBF comes in a compact 38-lead QFN package.

Essence

The essence of this product lies in its ability to efficiently control and manage power delivery in PSE applications.

Packaging/Quantity

The LT4276AIUFD#PBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: Programmable from 3.3V to 60V
• Maximum Output Current: 1A per channel
• Operating Temperature Range: -40°C to 85°C
• Power Dissipation: 2.5W

Detailed Pin Configuration

The LT4276AIUFD#PBF has a total of 38 pins. Here is a 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
• Programmable current limits for each output channel
• Integrated fault protection and thermal shutdown
• Supports IEEE 802.3bt Type 3 and Type 4 compliant devices
• Wide input voltage range for versatile applications

Advantages and Disadvantages

Advantages

• Highly efficient power management for PSE systems
• Flexible power delivery options
• Advanced features for fault protection and thermal management
• Wide input voltage range for compatibility with various applications

Disadvantages

• Limited maximum output current per channel (1A)

Working Principles

The LT4276AIUFD#PBF operates by receiving power from an external source and efficiently distributing it to connected devices. It utilizes programmable current limits and advanced control mechanisms to ensure safe and reliable power delivery. The device also incorporates fault protection and thermal shutdown features to prevent damage in case of abnormal conditions.

Detailed Application Field Plans

The LT4276AIUFD#PBF is widely used in various Power over Ethernet (PoE) applications, including: - IP cameras - Wireless access points - VoIP phones - Industrial automation systems - Building management systems

Detailed and Complete Alternative Models

• LT4276A
• LT4276B
• LT4276C
• LT4276D

These alternative models offer similar functionality and characteristics to the LT4276AIUFD#PBF, providing users with options based on their specific requirements.

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