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LTC4268IDKD-1

LTC4268IDKD-1

Product Overview

Category

LTC4268IDKD-1 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

LTC4268IDKD-1 is available in a small form factor package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of LTC4268IDKD-1 lies in its ability to efficiently manage power in various applications.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 2.9V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: DFN-10

Detailed Pin Configuration

  1. VCC: Power supply input
  2. GND: Ground reference
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SS: Soft-start pin
  6. PG: Power good indicator
  7. VIN: Input voltage
  8. SW: Switching node
  9. LX: Inductor connection
  10. VOUT: Output voltage

Functional Features

  • Wide input voltage range allows compatibility with various power sources.
  • High output current capability enables powering of multiple devices simultaneously.
  • Power good indicator provides feedback on the status of the output voltage.
  • Soft-start feature ensures smooth startup and prevents excessive inrush current.

Advantages and Disadvantages

Advantages

  • Efficient power management
  • Compact size
  • Wide input voltage range
  • High output current capability

Disadvantages

  • Limited operating temperature range (-40°C to 85°C)
  • Requires external components for complete functionality

Working Principles

LTC4268IDKD-1 operates by regulating the input voltage and providing a stable output voltage. It utilizes various control mechanisms, such as feedback loops and soft-start circuits, to ensure efficient power delivery.

Detailed Application Field Plans

LTC4268IDKD-1 finds applications in various fields, including: 1. Industrial automation 2. Telecommunications 3. Consumer electronics 4. Automotive systems 5. Power distribution

In industrial automation, this IC can be used to regulate power supply to control systems and sensors. In telecommunications, it can manage power for network equipment. In consumer electronics, it enables efficient charging and power management in portable devices. In automotive systems, it ensures stable power supply to various components. In power distribution, it aids in managing power flow and load balancing.

Detailed and Complete Alternative Models

  1. LTC4267IDKD-1: Similar functionality with minor differences in specifications.
  2. LTC4269IDKD-1: Higher output current capability but slightly larger package size.
  3. LTC4268IDKD-2: Same functionality with extended operating temperature range.

These alternative models offer similar features and can be considered based on specific requirements and constraints.

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui LTC4268IDKD-1 în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of LTC4268IDKD-1 in technical solutions:

Q1: What is LTC4268IDKD-1? A1: LTC4268IDKD-1 is a specific model of Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices). It is designed for use in PoE applications.

Q2: What is the purpose of LTC4268IDKD-1? A2: The purpose of LTC4268IDKD-1 is to provide power and data connectivity to devices over an Ethernet cable, eliminating the need for separate power cables.

Q3: What are the key features of LTC4268IDKD-1? A3: Some key features of LTC4268IDKD-1 include IEEE 802.3af/at compliant PoE, integrated switching regulator, programmable current limit, and thermal shutdown protection.

Q4: How does LTC4268IDKD-1 work? A4: LTC4268IDKD-1 works by receiving power from a PoE-enabled switch or injector through an Ethernet cable, and then converting and regulating that power to supply the connected device.

Q5: What types of devices can be powered using LTC4268IDKD-1? A5: LTC4268IDKD-1 can power a wide range of devices such as IP phones, wireless access points, security cameras, and other network-connected devices that comply with IEEE 802.3af/at standards.

Q6: What is the maximum power output of LTC4268IDKD-1? A6: The maximum power output of LTC4268IDKD-1 depends on the capabilities of the PoE source it is connected to. It supports both 15.4W (IEEE 802.3af) and 30W (IEEE 802.3at) power levels.

Q7: Can LTC4268IDKD-1 handle power management for multiple devices? A7: Yes, LTC4268IDKD-1 can handle power management for multiple devices by providing power to each device individually through separate Ethernet ports or channels.

Q8: Is LTC4268IDKD-1 compatible with different Ethernet cable types? A8: Yes, LTC4268IDKD-1 is compatible with various Ethernet cable types such as Cat5, Cat5e, and Cat6, as long as they meet the required specifications for PoE applications.

Q9: Does LTC4268IDKD-1 provide any protection features? A9: Yes, LTC4268IDKD-1 provides protection features like overcurrent protection, short-circuit protection, and thermal shutdown protection to ensure safe operation of the connected devices.

Q10: Are there any design considerations when using LTC4268IDKD-1 in a technical solution? A10: Yes, some design considerations include proper heat dissipation, adequate power supply capacity, compliance with IEEE standards, and ensuring compatibility with the target devices' power requirements.

Please note that these answers are general and may vary depending on specific application requirements and the manufacturer's documentation.