Linear Technology/QD Devices
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
LTC4279IUFD#PBF
Lihat Butiran Helaian data

LTC4279IUFD#PBF

Product Overview

Category

LTC4279IUFD#PBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for power management and control in various electronic devices.

Characteristics

  • Integrated circuit designed for power management
  • Provides advanced features for efficient power delivery
  • Supports multiple power sourcing options
  • Offers high level of integration and flexibility

Package

LTC4279IUFD#PBF comes in a small form factor package, specifically a 38-lead QFN (Quad Flat No-Lead) package.

Essence

The essence of LTC4279IUFD#PBF lies in its ability to efficiently manage and control power in electronic devices, ensuring optimal performance and reliability.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 80V
  • Output Voltage Range: Programmable from 0.8V to 24V
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: QFN-38

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. EN: Enable pin for device operation
  4. VIN: Input voltage pin
  5. VOUT: Output voltage pin
  6. FB: Feedback pin for voltage regulation
  7. PG: Power good indicator pin
  8. ISET: Current limit setting pin
  9. MODE: Mode selection pin
  10. ...

(Note: Detailed pin configuration continues for all 38 pins)

Functional Features

  • Advanced power management capabilities
  • Multiple power sourcing options (e.g., PoE, USB)
  • Efficient voltage regulation
  • Current limit protection
  • Power good indicator
  • Flexible mode selection

Advantages and Disadvantages

Advantages

  • High level of integration reduces external component count
  • Wide input voltage range allows for versatile applications
  • Efficient power delivery ensures optimal device performance
  • Multiple power sourcing options provide flexibility in power supply

Disadvantages

  • Limited maximum output current (3A)
  • Operating temperature range may not be suitable for extreme environments

Working Principles

LTC4279IUFD#PBF operates by receiving an input voltage (VIN) and regulating it to a desired output voltage (VOUT). The device incorporates various control mechanisms, such as feedback (FB) and current limit (ISET), to ensure stable and efficient power delivery. The enable pin (EN) allows for device operation control, while the power good indicator (PG) provides status information.

Detailed Application Field Plans

LTC4279IUFD#PBF finds application in a wide range of electronic devices, including but not limited to: - Industrial automation systems - Networking equipment - Telecommunications devices - Power over Ethernet (PoE) systems - USB-powered devices - Automotive electronics

Detailed and Complete Alternative Models

  1. LTC4278IUFD#PBF
  2. LTC4277IUFD#PBF
  3. LTC4276IUFD#PBF
  4. LTC4275IUFD#PBF
  5. ...

(Note: List continues with alternative models)

This is a brief overview of LTC4279IUFD#PBF, its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC4279IUFD#PBF dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LTC4279IUFD#PBF in technical solutions:

  1. Q: What is LTC4279IUFD#PBF? A: LTC4279IUFD#PBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.

  2. Q: What is the maximum power that LTC4279IUFD#PBF can deliver? A: LTC4279IUFD#PBF can deliver up to 25.5W of power to connected devices.

  3. Q: Can LTC4279IUFD#PBF be used in both PoE and PoE+ applications? A: Yes, LTC4279IUFD#PBF supports both PoE (802.3af) and PoE+ (802.3at) standards.

  4. Q: What is the input voltage range supported by LTC4279IUFD#PBF? A: LTC4279IUFD#PBF supports an input voltage range of 36V to 57V.

  5. Q: How many powered devices (PDs) can be connected to LTC4279IUFD#PBF? A: LTC4279IUFD#PBF can support up to 8 PDs simultaneously.

  6. Q: Does LTC4279IUFD#PBF provide protection against overcurrent and overvoltage conditions? A: Yes, LTC4279IUFD#PBF includes built-in protection features to safeguard against overcurrent and overvoltage situations.

  7. Q: Can LTC4279IUFD#PBF be used in industrial applications? A: Yes, LTC4279IUFD#PBF is suitable for use in industrial environments due to its wide operating temperature range and robust design.

  8. Q: Does LTC4279IUFD#PBF support power classification for connected PDs? A: Yes, LTC4279IUFD#PBF supports power classification based on the IEEE 802.3af/at standards.

  9. Q: Can LTC4279IUFD#PBF be used in both single-port and multi-port applications? A: Yes, LTC4279IUFD#PBF can be used in both single-port and multi-port PoE/PoE+ applications.

  10. Q: What is the package type of LTC4279IUFD#PBF? A: LTC4279IUFD#PBF is available in a 38-lead 5mm × 7mm QFN package.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.