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LTC4264IDE#TRPBF
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LTC4264IDE#TRPBF

Product Overview

Category

LTC4264IDE#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for power sourcing equipment (PSE) applications in Power over Ethernet (PoE) systems.

Characteristics

  • Package: LTC4264IDE#TRPBF comes in a 16-pin plastic dual in-line package (PDIP).
  • Essence: It is an advanced PoE controller that integrates various features for efficient power management.
  • Packaging/Quantity: The product is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

The LTC4264IDE#TRPBF has the following specifications:

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.5V to 10V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Power Dissipation: 1.25W

Pin Configuration

The pin configuration of LTC4264IDE#TRPBF is as follows:

  1. VDD
  2. GND
  3. PWRGD
  4. CLASS
  5. DETECT
  6. DISABLE
  7. SENSE
  8. VOUT
  9. VOUT
  10. VOUT
  11. VOUT
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC

Functional Features

The LTC4264IDE#TRPBF offers several functional features, including:

  • Integrated IEEE 802.3af-compliant PD interface
  • Programmable current limit and undervoltage lockout
  • Automatic detection and classification of powered devices
  • Thermal shutdown protection
  • Fast transient response

Advantages and Disadvantages

Advantages: - High level of integration reduces external component count - Efficient power management capabilities - Reliable and robust design - Compliance with industry standards

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

Working Principles

The LTC4264IDE#TRPBF operates based on the principles of Power over Ethernet (PoE) technology. It receives power from a PoE-enabled network switch or injector and provides regulated power to connected devices. The integrated PD interface allows for automatic detection and classification of powered devices, ensuring optimal power delivery.

Detailed Application Field Plans

The LTC4264IDE#TRPBF is widely used in various applications, including:

  1. IP cameras: Provides power to IP cameras for surveillance systems.
  2. Wireless access points: Powers wireless access points for seamless network connectivity.
  3. VoIP phones: Enables power supply to Voice over Internet Protocol (VoIP) phones.
  4. Network switches: Facilitates efficient power management in network switches.
  5. Industrial automation: Supports power requirements in industrial automation systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LTC4264IDE#TRPBF are:

  1. LTC4267IDE#TRPBF
  2. LTC4268IDE#TRPBF
  3. LTC4269IDE#TRPBF
  4. LTC4270IDE#TRPBF
  5. LTC4271IDE#TRPBF

These alternative models can be considered based on specific application requirements and desired features.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4264IDE#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4264IDE#TRPBF:

  1. Q: What is LTC4264IDE#TRPBF? A: LTC4264IDE#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 LTC4264IDE#TRPBF? A: The LTC4264IDE#TRPBF is designed to provide power and control functions for PoE systems. It enables the delivery of power over Ethernet cables to devices such as IP cameras, wireless access points, and VoIP phones.

  3. Q: What are the key features of LTC4264IDE#TRPBF? A: Some key features of LTC4264IDE#TRPBF include IEEE 802.3af/at compliant PSE controller, integrated detection and classification, programmable current limit, thermal shutdown protection, and fault detection.

  4. Q: How does LTC4264IDE#TRPBF detect and classify powered devices? A: LTC4264IDE#TRPBF uses a proprietary detection algorithm to identify and classify powered devices connected to the PoE system. It analyzes the resistance signature of the device to determine its power requirements.

  5. Q: Can LTC4264IDE#TRPBF support both IEEE 802.3af and IEEE 802.3at standards? A: Yes, LTC4264IDE#TRPBF is compatible with both IEEE 802.3af and IEEE 802.3at standards, allowing it to work with a wide range of PoE devices.

  6. Q: What is the maximum power that LTC4264IDE#TRPBF can deliver to a powered device? A: The maximum power that LTC4264IDE#TRPBF can deliver depends on the power supply and the capabilities of the connected powered device. It supports up to 25.5W for IEEE 802.3at devices.

  7. Q: Can LTC4264IDE#TRPBF be used in non-PoE applications? A: While LTC4264IDE#TRPBF is primarily designed for PoE applications, it can also be used in non-PoE applications where power control and monitoring functions are required.

  8. Q: What is the operating voltage range of LTC4264IDE#TRPBF? A: LTC4264IDE#TRPBF operates within a voltage range of 36V to 57V, which is typical for PoE systems.

  9. Q: Does LTC4264IDE#TRPBF provide any protection features? A: Yes, LTC4264IDE#TRPBF includes various protection features such as overcurrent protection, thermal shutdown, and fault detection to ensure safe operation of the PoE system.

  10. Q: Is there any evaluation board or reference design available for LTC4264IDE#TRPBF? A: Yes, Analog Devices provides an evaluation board (DC2264A) and reference designs for LTC4264IDE#TRPBF, which can help engineers quickly prototype and evaluate their PoE solutions.

Please note that the answers provided here are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.