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LTC4263IDE#TRPBF
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LTC4263IDE#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) - Provides power over Ethernet (PoE) functionality - Enables power management and control in PoE systems

Package: DFN-16 (4mm x 3mm)

Essence: The LTC4263IDE#TRPBF is a highly efficient PSE controller designed for use in PoE systems. It enables the delivery of power to PDs, ensuring reliable operation and efficient power management.

Packaging/Quantity: The LTC4263IDE#TRPBF is available in a DFN-16 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 14V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 150µA (typical)
  • Power Dissipation: 1.5W (maximum)

Detailed Pin Configuration

The LTC4263IDE#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 detection and classification for PDs
  • Programmable current limit and undervoltage lockout
  • Automatic fault detection and recovery
  • Supports 2-event classification
  • Provides accurate current and voltage monitoring
  • Enables power management through I²C interface

Advantages and Disadvantages

Advantages: - High-performance PSE controller for PoE systems - Efficient power delivery to PDs - Comprehensive fault detection and recovery mechanisms - Programmable features for customization - Accurate monitoring of current and voltage

Disadvantages: - Limited output current capacity (400mA maximum) - Restricted operating temperature range (-40°C to 85°C)

Working Principles

The LTC4263IDE#TRPBF operates by detecting and classifying connected PDs, ensuring proper power delivery based on their requirements. It incorporates programmable features such as current limit and undervoltage lockout to customize the power management process. The IC continuously monitors the current and voltage levels, providing accurate measurements for system control. Fault detection and recovery mechanisms enable reliable operation in PoE systems.

Detailed Application Field Plans

The LTC4263IDE#TRPBF is widely used in various applications, including: 1. IP cameras 2. Wireless access points 3. VoIP phones 4. Network switches 5. Industrial automation equipment

In these applications, the LTC4263IDE#TRPBF facilitates the efficient delivery of power over Ethernet, enabling reliable operation and simplified installation.

Detailed and Complete Alternative Models

  1. LTC4260-1 - PSE Controller with 2-Event Classification
  2. LTC4265 - Quad PSE Controller with I²C Interface
  3. LTC4274 - IEEE 802.3at PSE Controller with Auxiliary Power Support
  4. LTC4279 - Single Port PSE Controller with Integrated Power FET

These alternative models offer similar functionality and can be considered as alternatives to the LTC4263IDE#TRPBF based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af LTC4263IDE#TRPBF i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of LTC4263IDE#TRPBF in technical solutions:

  1. Q: What is LTC4263IDE#TRPBF? A: LTC4263IDE#TRPBF is a specific model number for a power sourcing equipment (PSE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is used in Power over Ethernet (PoE) applications.

  2. Q: What is the purpose of LTC4263IDE#TRPBF? A: The LTC4263IDE#TRPBF is designed to provide power and control functions for PoE systems, allowing devices to be powered and communicate over a single Ethernet cable.

  3. Q: What are the key features of LTC4263IDE#TRPBF? A: Some key features include IEEE 802.3af/at compliant PSE controller, integrated switching regulator, programmable current limit, thermal shutdown protection, and fault detection capabilities.

  4. Q: How does LTC4263IDE#TRPBF work? A: LTC4263IDE#TRPBF works by receiving power from an external power supply and converting it into regulated voltages suitable for powering PoE devices. It also provides control signals to manage power delivery and monitor device status.

  5. Q: What are the typical applications of LTC4263IDE#TRPBF? A: LTC4263IDE#TRPBF is commonly used in various PoE applications such as IP cameras, wireless access points, VoIP phones, and other network-connected devices that require both power and data transmission over Ethernet.

  6. Q: What is the maximum power output supported by LTC4263IDE#TRPBF? A: LTC4263IDE#TRPBF supports up to 25.5W of power output, which is compliant with the IEEE 802.3af/at standards for PoE.

  7. Q: Can LTC4263IDE#TRPBF be used in non-PoE applications? A: While LTC4263IDE#TRPBF is primarily designed for PoE applications, it can also be used in non-PoE applications that require a PSE controller with similar features and capabilities.

  8. Q: What are the input voltage requirements for LTC4263IDE#TRPBF? A: LTC4263IDE#TRPBF typically operates from an input voltage range of 36V to 57V, which is commonly found in PoE systems.

  9. Q: Does LTC4263IDE#TRPBF support power management and fault detection? A: Yes, LTC4263IDE#TRPBF includes various power management features such as current limit programming, thermal shutdown protection, and fault detection mechanisms to ensure safe and reliable operation.

  10. Q: Is LTC4263IDE#TRPBF available in other package options? A: Yes, LTC4263IDE#TRPBF is available in different package options, including the DFN (Dual Flat No-Lead) package, which is denoted by the "IDE" suffix in the part number. Other package options may also be available depending on the manufacturer's offerings.

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