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LTC4267CDHC#PBF
Product Overview
Category: Integrated Circuit (IC)
Use: Power Sourcing Equipment (PSE) Controller
Characteristics: - High efficiency - Low power consumption - Advanced power management features
Package: 16-Lead Plastic Dual-In-Line Package (PDIP)
Essence: The LTC4267CDHC#PBF is a PSE controller IC designed for use in Power over Ethernet (PoE) applications. It provides advanced power management features and ensures efficient power delivery to connected devices.
Packaging/Quantity: The LTC4267CDHC#PBF is available in a 16-Lead PDIP package. It is typically sold in reels of 250 units.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 2.7V to 14V
- Maximum Output Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Power Dissipation: 1.5W
Detailed Pin Configuration
The LTC4267CDHC#PBF has the following pin configuration:
- VDD - Power Supply Input
- GND - Ground
- VOUT - Output Voltage
- VREF - Reference Voltage
- VSENSE - Current Sense Input
- VSET - Output Voltage Set
- MODE - Mode Selection
- FLT - Fault Indicator
- EN - Enable Input
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
Functional Features
- Advanced power management capabilities
- Integrated current sense amplifier
- Programmable output voltage
- Fault detection and indication
- Enable/disable control
Advantages and Disadvantages
Advantages: - High efficiency power delivery - Low power consumption - Flexible output voltage configuration - Comprehensive fault detection and indication
Disadvantages: - Limited maximum output current (400mA) - Restricted operating temperature range (-40°C to 85°C)
Working Principles
The LTC4267CDHC#PBF operates as a PSE controller in PoE applications. It manages the power delivery process by monitoring the input voltage, regulating the output voltage, and providing fault detection and indication. The integrated current sense amplifier ensures accurate current measurement for efficient power management.
Detailed Application Field Plans
The LTC4267CDHC#PBF is commonly used in various PoE applications, including: - IP cameras - Wireless access points - VoIP phones - Network switches - Industrial automation systems
Detailed and Complete Alternative Models
- LTC4267IDHC#PBF - 16-Lead Plastic Dual-In-Line Package (PDIP)
- LTC4267CSW#PBF - 16-Lead Plastic Small Outline Wide Body (SOWB)
- LTC4267CDHC#TRPBF - 16-Lead Plastic Dual-In-Line Package (PDIP) - Tape and Reel Packaging
These alternative models offer similar functionality and characteristics to the LTC4267CDHC#PBF but may differ in package type or packaging/quantity options.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC4267CDHC#PBF en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LTC4267CDHC#PBF in technical solutions:
Q: What is LTC4267CDHC#PBF? A: LTC4267CDHC#PBF is a specific model number for a Power over Ethernet (PoE) controller IC manufactured by Linear Technology (now part of Analog Devices).
Q: What is the purpose of LTC4267CDHC#PBF? A: The LTC4267CDHC#PBF is designed to provide power and data connectivity to devices over an Ethernet cable, enabling PoE functionality.
Q: What are the key features of LTC4267CDHC#PBF? A: Some key features include IEEE 802.3af/at compliant PoE support, integrated switching regulator, programmable current limit, and thermal shutdown protection.
Q: How does LTC4267CDHC#PBF work? A: LTC4267CDHC#PBF integrates various functions required for PoE, such as detection, classification, and power management, to deliver power efficiently and safely to connected devices.
Q: What types of devices can be powered using LTC4267CDHC#PBF? A: LTC4267CDHC#PBF can power a wide range of devices, including IP phones, wireless access points, security cameras, and other network-connected devices that comply with IEEE 802.3af/at standards.
Q: Can LTC4267CDHC#PBF handle high-power devices? A: Yes, LTC4267CDHC#PBF supports both standard power (up to 15.4W) and high-power (up to 30W) modes, allowing it to power devices with higher power requirements.
Q: Is LTC4267CDHC#PBF compatible with all Ethernet switches? A: LTC4267CDHC#PBF is designed to be compatible with most standard Ethernet switches that support PoE, but it's always recommended to check the datasheet and compatibility guidelines for specific switch models.
Q: Can LTC4267CDHC#PBF provide power to multiple devices simultaneously? A: Yes, LTC4267CDHC#PBF can provide power to multiple devices through multiple Ethernet ports, as long as the total power requirements of the connected devices are within its specified limits.
Q: Are there any design considerations when using LTC4267CDHC#PBF? A: Yes, some design considerations include proper thermal management, ensuring adequate power supply capacity, adhering to safety standards, and following the manufacturer's application notes and guidelines.
Q: Where can I find more information about LTC4267CDHC#PBF? A: You can find more detailed information about LTC4267CDHC#PBF in the product datasheet, application notes, and technical documentation provided by Analog Devices on their official website.