LTC4278CDKD#TRPBF
Product Overview
Category
LTC4278CDKD#TRPBF belongs to the category of power management integrated circuits (PMICs).
Use
This product is primarily used for power sourcing equipment (PSE) applications in Power over Ethernet (PoE) systems.
Characteristics
- Supports IEEE 802.3af/at/bt standards
- Provides up to 90W of power delivery
- Features an integrated switching regulator
- Offers advanced power management capabilities
- Operates with high efficiency and low power dissipation
Package
LTC4278CDKD#TRPBF comes in a small form factor package, specifically a 16-lead DFN (Dual Flat No-Lead) package.
Essence
The essence of LTC4278CDKD#TRPBF lies in its ability to efficiently deliver power in PoE systems while providing advanced power management features.
Packaging/Quantity
This product is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.
Specifications
- Input Voltage Range: 36V to 57V
- Output Voltage Range: 3.3V to 24V
- Maximum Output Current: 3A
- Operating Temperature Range: -40°C to 85°C
- Efficiency: Up to 95%
- Switching Frequency: Adjustable up to 1MHz
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground reference
- EN: Enable pin for device operation
- VIN: Input voltage for power delivery
- VOUT: Output voltage for connected devices
- FB: Feedback pin for voltage regulation
- PG: Power good indicator
- ILIM: Current limit setting pin
- MODE: Mode selection pin
- CLK: Clock synchronization pin
- INTVCC: Internal voltage supply
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Integrated switching regulator for efficient power conversion
- Advanced power management capabilities, including current limit adjustment and voltage regulation
- Power good indicator for monitoring the status of power delivery
- Clock synchronization for system coordination
- Enable pin for device control and power saving
Advantages and Disadvantages
Advantages
- Supports a wide range of PoE standards, providing compatibility with various devices
- High power delivery capability (up to 90W) enables powering of demanding devices
- Efficient power conversion minimizes power dissipation and maximizes energy efficiency
- Advanced power management features allow customization and optimization for specific applications
Disadvantages
- Limited availability in certain regions or markets
- Relatively higher cost compared to simpler PoE solutions
- Requires careful design considerations for proper heat dissipation in high-power applications
Working Principles
LTC4278CDKD#TRPBF operates by receiving an input voltage from a PoE source and converting it into a regulated output voltage suitable for powering connected devices. The integrated switching regulator ensures high efficiency by minimizing power losses during the conversion process. The device also incorporates advanced power management features, such as adjustable current limits and voltage regulation, to provide flexibility and customization options.
Detailed Application Field Plans
LTC4278CDKD#TRPBF finds application in a wide range of PoE systems, including: 1. IP cameras and surveillance systems 2. Wireless access points and routers 3. VoIP phones and communication devices 4. Industrial automation and control systems 5. IoT (Internet of Things) devices requiring power over Ethernet
Detailed and Complete Alternative Models
- LTC4274: Similar functionality with lower power delivery capability (up to 60W)
- LT4276: Supports IEEE 802.3at/bt standards with higher power delivery capability (up to 100W)
- TPS23754: Alternative PoE controller with integrated switching regulator
- MAX5941: PoE PD controller with advanced power management features
In conclusion, LTC4278CDKD#TRPBF is a power management integrated circuit designed for Power over Ethernet applications. With its advanced power management capabilities and high power delivery capacity, it offers efficient and customizable solutions for various PoE systems.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4278CDKD#TRPBF i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of LTC4278CDKD#TRPBF in technical solutions:
Q: What is LTC4278CDKD#TRPBF? A: LTC4278CDKD#TRPBF is a Power over Ethernet (PoE) controller designed for use in various technical solutions.
Q: What is the maximum power that LTC4278CDKD#TRPBF can deliver? A: LTC4278CDKD#TRPBF can deliver up to 25.5W of power to connected devices.
Q: Can LTC4278CDKD#TRPBF be used with both IEEE 802.3af and IEEE 802.3at devices? A: Yes, LTC4278CDKD#TRPBF is compatible with both IEEE 802.3af and IEEE 802.3at devices.
Q: How many PoE ports can LTC4278CDKD#TRPBF support? A: LTC4278CDKD#TRPBF can support up to 8 PoE ports.
Q: Does LTC4278CDKD#TRPBF support power management features? A: Yes, LTC4278CDKD#TRPBF supports advanced power management features such as prioritization and scheduling.
Q: Can LTC4278CDKD#TRPBF provide power to non-PoE devices? A: Yes, LTC4278CDKD#TRPBF can provide power to non-PoE devices using auxiliary power inputs.
Q: Is LTC4278CDKD#TRPBF suitable for outdoor applications? A: Yes, LTC4278CDKD#TRPBF is designed to operate in a wide temperature range, making it suitable for outdoor applications.
Q: Does LTC4278CDKD#TRPBF support power monitoring and diagnostics? A: Yes, LTC4278CDKD#TRPBF provides comprehensive power monitoring and diagnostics capabilities.
Q: Can LTC4278CDKD#TRPBF be used in industrial environments? A: Yes, LTC4278CDKD#TRPBF is designed to withstand harsh industrial environments.
Q: What are the typical applications of LTC4278CDKD#TRPBF? A: LTC4278CDKD#TRPBF is commonly used in applications such as IP cameras, wireless access points, and VoIP phones.
Please note that these answers are general and may vary depending on specific use cases and requirements.