Linear Technology/QD Devices
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LT4275AHMS#TRPBF
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LT4275AHMS#TRPBF

Product Overview

Category

LT4275AHMS#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power sourcing equipment (PSE) applications.

Characteristics

  • High efficiency
  • Low power dissipation
  • Wide input voltage range
  • Integrated power management features

Package

LT4275AHMS#TRPBF is available in a small and compact MSOP-16 package.

Essence

The essence of this product lies in its ability to efficiently manage power in PSE applications, providing reliable and stable power delivery.

Packaging/Quantity

This product is typically packaged in reels, with 250 units per reel.

Specifications

  • Input Voltage Range: 36V to 57V
  • Output Voltage Range: 2.7V to 60V
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: MSOP-16

Detailed Pin Configuration

  1. VOUT
  2. GND
  3. NC
  4. NC
  5. NC
  6. NC
  7. NC
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. VIN
  15. NC
  16. NC

Functional Features

  • Integrated switching regulator
  • Programmable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Undervoltage lockout

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Integrated power management features simplify system design

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Higher cost compared to some alternative models

Working Principles

LT4275AHMS#TRPBF operates as a switching regulator, converting the input voltage to a programmable output voltage. It incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

This product finds applications in various fields, including: - Power over Ethernet (PoE) systems - Industrial automation - Telecommunications equipment - Networking devices

Detailed and Complete Alternative Models

  1. LT4276AHMS#TRPBF
  2. LT4277AHMS#TRPBF
  3. LT4278AHMS#TRPBF
  4. LT4279AHMS#TRPBF

These alternative models offer similar functionality and can be considered as substitutes for LT4275AHMS#TRPBF.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem LT4275AHMS#TRPBF w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of LT4275AHMS#TRPBF in technical solutions:

  1. Q: What is LT4275AHMS#TRPBF? A: LT4275AHMS#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.

  2. Q: What is the purpose of LT4275AHMS#TRPBF? A: The purpose of LT4275AHMS#TRPBF is to provide power and data connectivity to PoE-enabled devices over Ethernet cables.

  3. Q: What are the key features of LT4275AHMS#TRPBF? A: Some key features include IEEE 802.3af/at compliant, integrated switching regulator, programmable current limit, and thermal shutdown protection.

  4. Q: Can LT4275AHMS#TRPBF be used with both 10/100Mbps and Gigabit Ethernet networks? A: Yes, LT4275AHMS#TRPBF is compatible with both 10/100Mbps and Gigabit Ethernet networks.

  5. Q: How much power can LT4275AHMS#TRPBF deliver to PoE devices? A: LT4275AHMS#TRPBF can deliver up to 25.5W of power to PoE devices, depending on the input voltage and current limit settings.

  6. Q: Is LT4275AHMS#TRPBF suitable for outdoor applications? A: Yes, LT4275AHMS#TRPBF is suitable for outdoor applications as it has a wide operating temperature range and is designed to withstand harsh environments.

  7. Q: Can LT4275AHMS#TRPBF be used with non-PoE devices? A: Yes, LT4275AHMS#TRPBF can be used with non-PoE devices by using a PoE splitter or injector.

  8. Q: How do I program the current limit of LT4275AHMS#TRPBF? A: The current limit of LT4275AHMS#TRPBF can be programmed using external resistors connected to the ILIM pin.

  9. Q: Does LT4275AHMS#TRPBF support power management features? A: Yes, LT4275AHMS#TRPBF supports power management features such as sleep mode and wake-on-LAN.

  10. Q: Are there any evaluation boards or reference designs available for LT4275AHMS#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LT4275AHMS#TRPBF to help with the development process.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.