LTC4270CIUKG#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Sourcing Equipment (PSE) Controller

Characteristics: - High-performance PSE controller - Supports IEEE 802.3af/at/bt standards - Enables Power over Ethernet (PoE) functionality - Provides power to connected devices through Ethernet cables

Package: UQFN-32

Essence: The LTC4270CIUKG#PBF is a highly efficient PSE controller designed for PoE applications. It enables the delivery of power to various devices, such as IP phones, wireless access points, and security cameras, through standard Ethernet cables.

Packaging/Quantity: The LTC4270CIUKG#PBF is available in a UQFN-32 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 36V to 57V
• Output Voltage Range: 2.7V to 57V
• Maximum Output Current: 1.5A
• Operating Temperature Range: -40°C to 85°C
• Power Dissipation: 1.5W
• Control Interface: I2C

Detailed Pin Configuration

The LTC4270CIUKG#PBF features a UQFN-32 package with the following pin configuration:

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

Functional Features

• Supports IEEE 802.3af/at/bt standards for compatibility with various PoE devices
• Provides advanced power management features, including prioritization and classification of connected devices
• Offers comprehensive fault protection mechanisms to ensure safe operation
• Enables efficient power delivery through Ethernet cables, eliminating the need for separate power cables

Advantages and Disadvantages

Advantages: - High-performance PSE controller with support for multiple PoE standards - Advanced power management features enhance flexibility and efficiency - Comprehensive fault protection mechanisms ensure safe operation - Simplifies installation by eliminating the need for separate power cables

Disadvantages: - Limited to applications requiring a maximum output current of 1.5A - Control interface limited to I2C, may not be compatible with all systems

Working Principles

The LTC4270CIUKG#PBF operates as a Power Sourcing Equipment (PSE) controller in a Power over Ethernet (PoE) system. It receives power from an external power source and delivers it to connected devices through Ethernet cables. The controller supports various PoE standards, allowing compatibility with a wide range of devices.

The LTC4270CIUKG#PBF incorporates advanced power management features, enabling the prioritization and classification of connected devices. This ensures efficient power allocation based on device requirements. The controller also includes comprehensive fault protection mechanisms to safeguard against overcurrent, overvoltage, and short-circuit conditions.

By integrating power delivery into Ethernet cables, the LTC4270CIUKG#PBF eliminates the need for separate power cables, simplifying installation and reducing clutter.

Detailed Application Field Plans

The LTC4270CIUKG#PBF is suitable for a variety of PoE applications, including:

1. IP Phones: Enables power delivery to IP phones, eliminating the need for separate power adapters.
2. Wireless Access Points: Provides power to wireless access points, simplifying installation and reducing cable clutter.
3. Security Cameras: Powers security cameras over Ethernet cables, facilitating flexible camera placement without the need for nearby power outlets.
4. Network Switches: Integrates PoE functionality into network switches, enabling power delivery to connected devices.

Detailed and Complete Alternative Models

1. LTC4270A-1: Similar PSE controller with support for IEEE 802.3af/at standards.
2. LTC4270B: PSE controller with extended temperature range (-40°C to 125°C).
3. LTC4270C: PSE controller with enhanced fault protection mechanisms.

These alternative models offer similar functionality to the LTC4270CIUKG#PBF but may have variations in specifications or additional features.

Word count: 570 words