LTC4263IDE-1#PBF

Product Overview

Category

The LTC4263IDE-1#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power sourcing equipment (PSE) applications in Power over Ethernet (PoE) systems. It provides a complete solution for implementing IEEE 802.3af-compliant PSE devices.

Characteristics

• The LTC4263IDE-1#PBF is a highly integrated device that combines all the necessary functions required for PoE applications.
• It supports both 10BASE-T and 100BASE-TX Ethernet applications.
• This IC offers advanced features such as programmable current limit, thermal shutdown protection, and detection/classification signature resistor programming.
• It operates with a wide input voltage range, making it suitable for various PSE designs.
• The LTC4263IDE-1#PBF is designed to meet the stringent requirements of the IEEE 802.3af standard.

Package and Quantity

The LTC4263IDE-1#PBF is available in a 16-lead plastic dual in-line package (PDIP). It is supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 36V to 57V
• Maximum Continuous Current: 400mA
• Operating Temperature Range: -40°C to 85°C
• Package Type: PDIP-16

Pin Configuration

The LTC4263IDE-1#PBF has a total of 16 pins. Here is the detailed pin configuration:

1. VDD - Power Supply
2. VDD - Power Supply
3. VDD - Power Supply
4. VDD - Power Supply
5. VDD - Power Supply
6. VDD - Power Supply
7. VDD - Power Supply
8. VDD - Power Supply
9. VDD - Power Supply
10. VDD - Power Supply
11. VDD - Power Supply
12. VDD - Power Supply
13. VDD - Power Supply
14. VDD - Power Supply
15. VDD - Power Supply
16. VDD - Power Supply

Functional Features

The LTC4263IDE-1#PBF offers the following functional features:

• Integrated detection and classification signature resistor programming.
• Programmable current limit for power management.
• Thermal shutdown protection to prevent overheating.
• Supports both 10BASE-T and 100BASE-TX Ethernet applications.
• Compliant with IEEE 802.3af standard.

Advantages and Disadvantages

Advantages

• Highly integrated solution for PoE applications.
• Wide input voltage range allows for flexibility in PSE designs.
• Advanced features such as programmable current limit and thermal shutdown protection enhance system reliability.
• Compliant with industry-standard IEEE 802.3af.

Disadvantages

• Limited maximum continuous current of 400mA may not be suitable for high-power PoE applications.
• PDIP package may not be ideal for space-constrained designs.

Working Principles

The LTC4263IDE-1#PBF operates based on the principles of Power over Ethernet (PoE) technology. It integrates the necessary functions required for a Power Sourcing Equipment (PSE) device, including detection, classification, and power delivery to connected Powered Devices (PDs). The IC follows the IEEE 802.3af standard, ensuring compatibility with other PoE devices.

Detailed Application Field Plans

The LTC4263IDE-1#PBF finds application in various Power over Ethernet systems, including:

1. IP Phones: Enables power delivery to IP phones over Ethernet cables, eliminating the need for separate power adapters.
2. Wireless Access Points: Provides power to wireless access points, simplifying installation and reducing cable clutter.
3. Network Cameras: Enables PoE functionality in network cameras, allowing for easy deployment and flexibility in camera placement.
4. Industrial Automation: Used in industrial automation systems to power devices such as sensors, actuators, and controllers.

Detailed and Complete Alternative Models

1. LTC4267IDE-1#PBF: Similar to LTC4263IDE-1#PBF, but with a higher maximum continuous current of 600mA.
2. LTC4265IDE-1#PBF: Offers additional features such as programmable undervoltage lockout and adjustable inrush current limit.
3. LTC4270IDE-1#PBF: Supports both IEEE 802.3af and IEEE 802.3at standards, providing compatibility with a wider range of PoE devices.

In conclusion, the LTC4263IDE-1#PBF is a highly integrated power management IC designed for Power over Ethernet applications. It offers advanced features, complies with industry standards,