Linear Technology/Analog Devices
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LTC4263IS#TRPBF
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LTC4263IS#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Sourcing Equipment (PSE) Controller

Characteristics: - High-performance PSE controller - Supports IEEE 802.3af/at compliant Powered Devices (PDs) - Enables Power over Ethernet (PoE) functionality - Provides power management and protection features

Package: SOIC-16

Essence: The LTC4263IS#TRPBF is a highly efficient PSE controller designed to enable PoE functionality in various applications.

Packaging/Quantity: The LTC4263IS#TRPBF is available in a standard SOIC-16 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 44V to 57V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 150µA (typical)
  • Switching Frequency: 200kHz (typical)

Pin Configuration

The LTC4263IS#TRPBF features the following pin configuration:

  1. VDD - Power Supply Input
  2. GND - Ground
  3. VOUT - Output Voltage
  4. VEE - Negative Supply Voltage
  5. NC - No Connection
  6. NC - No Connection
  7. NC - No Connection
  8. NC - No Connection
  9. NC - No Connection
  10. NC - No Connection
  11. NC - No Connection
  12. NC - No Connection
  13. NC - No Connection
  14. NC - No Connection
  15. NC - No Connection
  16. NC - No Connection

Functional Features

  • Integrated high-efficiency switch
  • Programmable current limit
  • Overvoltage and overcurrent protection
  • Thermal shutdown protection
  • Fast transient response

Advantages and Disadvantages

Advantages: - High-performance PSE controller for PoE applications - Supports IEEE 802.3af/at compliant PDs - Efficient power management and protection features - Compact SOIC-16 package

Disadvantages: - Limited maximum output current (400mA)

Working Principles

The LTC4263IS#TRPBF operates as a PSE controller in Power over Ethernet systems. It provides power to connected PDs while ensuring efficient power management and protection. The integrated switch allows for high-efficiency power transfer, while the programmable current limit and protection features safeguard against overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

The LTC4263IS#TRPBF is widely used in various applications requiring PoE functionality, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation equipment

Detailed and Complete Alternative Models

  1. LTC4267IS#TRPBF - PSE Controller with Extended Temperature Range
  2. LTC4268IS#TRPBF - PSE Controller with Higher Maximum Output Current
  3. LTC4269IS#TRPBF - PSE Controller with Enhanced Protection Features

These alternative models offer similar functionality to the LTC4263IS#TRPBF but may have different specifications or additional features to suit specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC4263IS#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC4263IS#TRPBF in technical solutions:

  1. Q: What is LTC4263IS#TRPBF? A: LTC4263IS#TRPBF is a specific model number of a Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices). It provides power management and control functions for PoE applications.

  2. Q: What are the main features of LTC4263IS#TRPBF? A: The main features of LTC4263IS#TRPBF include IEEE 802.3af-compliant PoE PD interface, integrated switching regulator, programmable current limit, thermal shutdown protection, and fault detection capabilities.

  3. Q: How does LTC4263IS#TRPBF work in a PoE system? A: LTC4263IS#TRPBF acts as a Powered Device (PD) in a PoE system. It receives power and data from an Ethernet cable connected to a Power Sourcing Equipment (PSE), such as a PoE switch or injector, and converts the received power into usable voltage levels for the connected device.

  4. Q: Can LTC4263IS#TRPBF support both 10/100 Mbps and Gigabit Ethernet speeds? A: Yes, LTC4263IS#TRPBF supports both 10/100 Mbps and Gigabit Ethernet speeds, making it compatible with various network configurations.

  5. Q: What is the maximum power that LTC4263IS#TRPBF can handle? A: LTC4263IS#TRPBF can handle up to 13W of power, which is compliant with the IEEE 802.3af standard for Class 0 and Class 1 devices.

  6. Q: Does LTC4263IS#TRPBF have built-in protection features? A: Yes, LTC4263IS#TRPBF has built-in protection features such as overcurrent protection, thermal shutdown, and fault detection for safe operation in PoE applications.

  7. Q: Can LTC4263IS#TRPBF be used in non-PoE applications? A: While LTC4263IS#TRPBF is primarily designed for PoE applications, it can also be used in non-PoE applications where power management and control functions are required.

  8. Q: What is the operating temperature range of LTC4263IS#TRPBF? A: The operating temperature range of LTC4263IS#TRPBF is typically from -40°C to +85°C, allowing it to operate reliably in a wide range of environmental conditions.

  9. Q: Is LTC4263IS#TRPBF available in different package options? A: Yes, LTC4263IS#TRPBF is available in a 16-lead narrow SSOP (Shrink Small Outline Package) package, which is compact and suitable for space-constrained applications.

  10. Q: Where can I find more information about LTC4263IS#TRPBF and its application in technical solutions? A: You can refer to the datasheet and application notes provided by Analog Devices on their official website. Additionally, you can consult with Analog Devices' technical support team or visit online forums and communities dedicated to PoE and power management for further assistance.