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LTC3787EUFD#PBF
Product Overview
Category
LTC3787EUFD#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.
Use
This product is primarily used for voltage regulation and power conversion in various electronic devices and systems.
Characteristics
- High efficiency: The LTC3787EUFD#PBF offers excellent power conversion efficiency, minimizing energy losses during voltage regulation.
- Wide input voltage range: It can handle a broad range of input voltages, making it suitable for diverse applications.
- Versatile output configurations: The IC supports multiple output configurations, allowing flexibility in power delivery.
- Advanced protection features: It incorporates various protection mechanisms to safeguard against overvoltage, overcurrent, and thermal issues.
Package
The LTC3787EUFD#PBF is available in a compact and robust 28-pin QFN package, ensuring ease of integration into different circuit designs.
Essence
The essence of LTC3787EUFD#PBF lies in its ability to efficiently regulate voltage and convert power, enabling reliable operation of electronic devices.
Packaging/Quantity
This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.
Specifications
- Input Voltage Range: 4V to 60V
- Output Voltage Range: 0.8V to 60V
- Maximum Output Current: 20A
- Switching Frequency: Up to 1MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LTC3787EUFD#PBF features the following pin configuration:
- VIN: Input voltage pin
- GND: Ground reference pin
- VOUT: Output voltage pin
- FB: Feedback pin for voltage regulation
- EN: Enable pin for device activation
- SS: Soft-start pin for gradual power-up
- PGND: Power ground reference pin
- SYNC: Synchronization pin for external clock input
- BST: Boost pin for high-side gate driver
- SW: Switching node pin
(Note: The remaining pins are not listed here for brevity.)
Functional Features
- Wide input voltage range allows compatibility with various power sources.
- High efficiency conversion minimizes energy losses and maximizes battery life.
- Multiple output configurations provide flexibility in power delivery.
- Advanced protection mechanisms ensure safe operation under different conditions.
- Synchronization capability enables precise timing control in multi-device setups.
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Wide input voltage range
- Versatile output configurations
- Advanced protection features
- Synchronization capability
Disadvantages
- Limited maximum output current (20A)
Working Principles
The LTC3787EUFD#PBF operates based on a switching regulator topology, utilizing high-frequency switching to regulate the input voltage and convert it to the desired output voltage. It employs a combination of control circuitry, power MOSFETs, and passive components to achieve efficient power conversion.
Detailed Application Field Plans
The LTC3787EUFD#PBF finds applications in various fields, including but not limited to:
- Automotive electronics: Voltage regulation in automotive systems, such as infotainment systems, lighting modules, and powertrain control units.
- Industrial automation: Power management in industrial equipment, motor drives, and control systems.
- Renewable energy: Integration into solar power systems, wind turbines, and energy storage devices.
- Telecommunications: Power supply solutions for telecom infrastructure, base stations, and network equipment.
- Consumer electronics: Voltage regulation in portable devices, home appliances, and audio/video systems.
Detailed and Complete Alternative Models
- LTC3787EUFD#TRPBF: Similar to LTC3787EUFD#PBF, but supplied in tape and reel packaging with a quantity of 1500 units per reel.
- LTC3787IUFD#PBF: A pin-compatible alternative with extended operating temperature range (-40°C to 150°C).
- LTC3787EUFD-5#PBF: Variant optimized for 5V output applications.
(Note: The list above provides only a few examples of alternative models available in the LTC3787 series.)
In conclusion, the LTC3787EUFD#PBF is a highly efficient integrated circuit designed for power management applications. With its wide input voltage range, versatile output configurations, and advanced protection features, it offers reliable voltage regulation and power conversion. Its compact package and synchronization capability further enhance its usability. Although it has a limited maximum output current, it finds extensive use in automotive electronics, industrial automation, renewable energy systems, telecommunications, and consumer electronics. Various alternative models within the LTC3787 series provide additional options to suit specific requirements.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3787EUFD#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LTC3787EUFD#PBF in technical solutions:
Q: What is LTC3787EUFD#PBF? A: LTC3787EUFD#PBF is a high-performance synchronous buck-boost DC/DC controller IC manufactured by Linear Technology (now part of Analog Devices). It is commonly used in power management applications.
Q: What is the input voltage range supported by LTC3787EUFD#PBF? A: The input voltage range supported by LTC3787EUFD#PBF is typically between 4V and 60V.
Q: What is the output voltage range that can be achieved using LTC3787EUFD#PBF? A: LTC3787EUFD#PBF can achieve both step-up and step-down conversions, allowing for a wide range of output voltages. The specific output voltage range depends on the application and external components used.
Q: Can LTC3787EUFD#PBF handle high currents? A: Yes, LTC3787EUFD#PBF is designed to handle high currents. It has a built-in current sense amplifier and supports high-frequency operation, making it suitable for applications with demanding current requirements.
Q: Is LTC3787EUFD#PBF suitable for battery charging applications? A: Yes, LTC3787EUFD#PBF can be used in battery charging applications. Its buck-boost topology allows it to efficiently charge batteries from various input sources, such as solar panels or automotive systems.
Q: Does LTC3787EUFD#PBF have any protection features? A: Yes, LTC3787EUFD#PBF includes several protection features, including overvoltage protection, undervoltage lockout, and thermal shutdown. These features help safeguard the IC and the connected circuitry.
Q: Can LTC3787EUFD#PBF be used in automotive applications? A: Yes, LTC3787EUFD#PBF is suitable for automotive applications. It can handle the wide input voltage range typically found in automotive systems and has a robust design to withstand harsh operating conditions.
Q: Does LTC3787EUFD#PBF support synchronization with an external clock? A: Yes, LTC3787EUFD#PBF supports synchronization with an external clock. This feature allows for precise timing control and coordination with other components in the system.
Q: What type of control loop does LTC3787EUFD#PBF use? A: LTC3787EUFD#PBF uses a current-mode control loop, which provides excellent transient response and stability in various load conditions.
Q: Are there any evaluation boards or reference designs available for LTC3787EUFD#PBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC3787EUFD#PBF, which can help users quickly prototype and implement their power management solutions.
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 application notes provided by the manufacturer for detailed information.