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LTC4251BIS6-2#TRPBF
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LTC4251BIS6-2#TRPBF

Product Overview

Category

LTC4251BIS6-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Package: LTC4251BIS6-2#TRPBF comes in a small outline integrated circuit (SOIC) package.
  • Essence: It is an integrated circuit designed for power sourcing equipment (PSE) applications.
  • Packaging/Quantity: The product is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

The LTC4251BIS6-2#TRPBF has the following specifications:

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 48V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Power Dissipation: 1.25W

Detailed Pin Configuration

The LTC4251BIS6-2#TRPBF has a 6-pin configuration as follows:

  1. VCC: Power supply input pin
  2. GND: Ground pin
  3. FLT: Fault output pin
  4. PWRGD: Power good output pin
  5. SDA: I2C data pin
  6. SCL: I2C clock pin

Functional Features

The LTC4251BIS6-2#TRPBF offers the following functional features:

  • Integrated IEEE 802.3af-compliant PD interface
  • Supports detection, classification, and current limiting functions
  • Provides fault protection and reporting
  • I2C interface for control and monitoring

Advantages and Disadvantages

Advantages: - Compact SOIC package allows for space-saving designs - Compliance with IEEE 802.3af standard ensures compatibility with various power sourcing equipment - Integrated fault protection enhances system reliability

Disadvantages: - Limited maximum output current of 400mA may not be suitable for high-power applications - Operating temperature range may restrict usage in extreme environments

Working Principles

The LTC4251BIS6-2#TRPBF operates based on the IEEE 802.3af standard for Power over Ethernet (PoE). It integrates the necessary functions to interface with a PoE-enabled network switch or injector. The device detects and classifies connected powered devices (PDs) and provides the appropriate power level accordingly. It also monitors for faults and reports them through the FLT pin.

Detailed Application Field Plans

The LTC4251BIS6-2#TRPBF finds application in various fields, including:

  1. IP Telephony: Enables power delivery to IP phones via Ethernet cables.
  2. Wireless Access Points: Provides power to wireless access points for seamless connectivity.
  3. Security Systems: Powers security cameras and other surveillance equipment.
  4. Industrial Automation: Supports power delivery to various industrial devices over Ethernet.

Detailed and Complete Alternative Models

  1. LTC4259A-1: Similar functionality with higher maximum output current of 600mA.
  2. LTC4260-1: Offers additional features such as inrush current limiting and thermal shutdown protection.
  3. LTC4274A-1: Supports higher input voltage range up to 90V.

These alternative models provide options with varying specifications and features to suit different application requirements.

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技術ソリューションにおける LTC4251BIS6-2#TRPBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC4251BIS6-2#TRPBF in technical solutions:

Q1: What is LTC4251BIS6-2#TRPBF? A1: LTC4251BIS6-2#TRPBF is a specific model number for a power over Ethernet (PoE) controller IC.

Q2: What is the purpose of LTC4251BIS6-2#TRPBF? A2: The purpose of LTC4251BIS6-2#TRPBF is to provide power management and control functions for PoE applications.

Q3: What are the key features of LTC4251BIS6-2#TRPBF? A3: Some key features include IEEE 802.3af compliant PD interface, programmable current limit, thermal shutdown protection, and integrated MOSFET drivers.

Q4: How does LTC4251BIS6-2#TRPBF work? A4: LTC4251BIS6-2#TRPBF works by receiving power from a PoE source and regulating it to provide power to the connected device while ensuring compliance with the IEEE 802.3af standard.

Q5: What are the typical applications of LTC4251BIS6-2#TRPBF? A5: LTC4251BIS6-2#TRPBF is commonly used in various PoE-enabled devices such as IP cameras, wireless access points, VoIP phones, and network switches.

Q6: Can LTC4251BIS6-2#TRPBF be used with both 10/100Mbps and Gigabit Ethernet? A6: Yes, LTC4251BIS6-2#TRPBF is compatible with both 10/100Mbps and Gigabit Ethernet.

Q7: What is the maximum power that LTC4251BIS6-2#TRPBF can handle? A7: LTC4251BIS6-2#TRPBF can handle up to 13W of power, which is compliant with the IEEE 802.3af standard.

Q8: Does LTC4251BIS6-2#TRPBF support power classification? A8: Yes, LTC4251BIS6-2#TRPBF supports power classification according to the IEEE 802.3af standard.

Q9: Can LTC4251BIS6-2#TRPBF be used in PoE+ (IEEE 802.3at) applications? A9: No, LTC4251BIS6-2#TRPBF is designed for IEEE 802.3af compliant applications and does not support PoE+.

Q10: Is LTC4251BIS6-2#TRPBF available in other package options? A10: Yes, LTC4251BIS6-2#TRPBF is available in various package options such as SOIC, DFN, and QFN, in addition to the SOT-23 package mentioned in the model number.

Please note that these answers are general and may vary depending on the specific requirements and implementation of LTC4251BIS6-2#TRPBF in different technical solutions.