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LT8390EUFD#PBF
Product Overview
Category
LT8390EUFD#PBF belongs to the category of integrated circuits (ICs).
Use
The LT8390EUFD#PBF is primarily used as a synchronous buck-boost DC/DC converter.
Characteristics
- Synchronous buck-boost topology
- Wide input voltage range: 4.5V to 60V
- Adjustable output voltage range: -60V to 60V
- High efficiency: up to 98%
- Programmable switching frequency: 100kHz to 500kHz
- Integrated power switches
- Internal compensation network
- Fault protection features
Package
LT8390EUFD#PBF comes in a 28-lead 4mm x 5mm QFN package.
Essence
The essence of LT8390EUFD#PBF lies in its ability to efficiently convert and regulate DC voltages in both step-up and step-down configurations.
Packaging/Quantity
LT8390EUFD#PBF is typically packaged in reels, with 1,000 units per reel.
Specifications
- Input Voltage Range: 4.5V to 60V
- Output Voltage Range: -60V to 60V
- Switching Frequency Range: 100kHz to 500kHz
- Maximum Output Current: 4A
- Efficiency: Up to 98%
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The LT8390EUFD#PBF has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- SW: Switch node pin
- FB: Feedback pin
- VOUT: Output voltage pin
- EN: Enable pin
- SS/TRK: Soft-start/Tracking pin
- VCC: Supply voltage pin
- PGND: Power ground pin
- SYNC/MODE: Synchronization/Mode selection pin
- RT/CLKOUT: External resistor or clock output pin 12-28. NC: No connection pins
Functional Features
- Synchronous buck-boost topology allows for seamless transition between step-up and step-down modes.
- Wide input voltage range enables operation in various power supply systems.
- High efficiency minimizes power losses and maximizes energy conversion.
- Programmable switching frequency provides flexibility in system design.
- Integrated power switches simplify circuit implementation.
- Internal compensation network eliminates the need for external components.
- Fault protection features safeguard against overcurrent, overvoltage, and overtemperature conditions.
Advantages and Disadvantages
Advantages
- Versatile buck-boost functionality
- Wide input and output voltage ranges
- High efficiency
- Programmable switching frequency
- Integrated power switches
- Internal compensation network
- Fault protection features
Disadvantages
- Limited maximum output current (4A)
Working Principles
The LT8390EUFD#PBF operates based on a synchronous buck-boost topology. It utilizes high-frequency switching to regulate the output voltage, allowing for both step-up and step-down voltage conversions. The integrated power switches control the flow of current through the inductor, while the internal compensation network ensures stable operation. The converter continuously monitors the input and output voltages to maintain the desired output voltage level.
Detailed Application Field Plans
The LT8390EUFD#PBF finds applications in various fields, including:
- Automotive electronics: Power management in electric vehicles, battery charging systems, and automotive lighting.
- Industrial automation: DC voltage regulation in motor drives, robotics, and factory automation equipment.
- Renewable energy: Power conversion in solar energy systems, wind turbines, and energy storage systems.
- Telecommunications: Voltage regulation in telecom infrastructure, base stations, and network equipment.
- Consumer electronics: Power supply solutions for portable devices, audio/video equipment, and home appliances.
Detailed and Complete Alternative Models
- LT8390A: Similar specifications with enhanced fault protection features.
- LT8390B: Higher maximum output current (up to 8A) with improved efficiency.
- LT8390C: Extended input voltage range (up to 100V) for specific applications.
- LT8390D: Lower switching frequency range (10kHz to 100kHz) for noise-sensitive applications.
These alternative models provide similar functionality to the LT8390EUFD#PBF but may offer additional features or performance improvements based on specific application requirements.
Note: The content provided above is a sample entry and does not reflect actual specifications or details of LT8390EUFD#PBF.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT8390EUFD#PBF v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LT8390EUFD#PBF in technical solutions:
Q: What is LT8390EUFD#PBF? A: LT8390EUFD#PBF is a high-performance synchronous buck-boost DC/DC converter IC manufactured by Linear Technology (now part of Analog Devices). It is designed for various power supply applications.
Q: What is the input voltage range of LT8390EUFD#PBF? A: The input voltage range of LT8390EUFD#PBF is from 4.5V to 60V, making it suitable for a wide range of power supply designs.
Q: What is the output voltage range of LT8390EUFD#PBF? A: The output voltage range of LT8390EUFD#PBF can be programmed from 0.8V to 60V, providing flexibility for different application requirements.
Q: What is the maximum output current of LT8390EUFD#PBF? A: The maximum output current of LT8390EUFD#PBF is up to 4A, allowing it to handle moderate to high power loads.
Q: Can LT8390EUFD#PBF operate in both buck and boost modes? A: Yes, LT8390EUFD#PBF is a versatile buck-boost converter that can operate in both step-down (buck) and step-up (boost) modes, making it suitable for a wide range of applications.
Q: Does LT8390EUFD#PBF have built-in protection features? A: Yes, LT8390EUFD#PBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.
Q: What is the switching frequency of LT8390EUFD#PBF? A: The switching frequency of LT8390EUFD#PBF can be programmed from 100kHz to 1MHz, allowing designers to optimize efficiency and size for their specific application.
Q: Can LT8390EUFD#PBF be synchronized with an external clock? A: Yes, LT8390EUFD#PBF supports synchronization with an external clock signal, enabling precise timing control in multi-phase applications or avoiding interference with other components.
Q: Is LT8390EUFD#PBF suitable for automotive applications? A: Yes, LT8390EUFD#PBF is designed to meet automotive-grade requirements, making it suitable for various automotive power supply applications.
Q: Are evaluation boards available for LT8390EUFD#PBF? A: Yes, Linear Technology (Analog Devices) provides evaluation boards for LT8390EUFD#PBF, which can help engineers quickly prototype and evaluate its performance in their specific applications.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application notes provided by the manufacturer. It is always recommended to refer to the official documentation for accurate and up-to-date information.