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LT8391EUFD#PBF

LT8391EUFD#PBF

Product Overview

Category

The LT8391EUFD#PBF belongs to the category of high-performance synchronous buck-boost DC/DC converters.

Use

It is commonly used for voltage regulation and power management in various electronic devices and systems.

Characteristics

  • High efficiency
  • Wide input and output voltage range
  • Synchronous rectification
  • Low quiescent current
  • Adjustable frequency and phase
  • Integrated soft-start
  • Small package size

Package

The LT8391EUFD#PBF comes in a compact and thermally enhanced 4mm x 5mm QFN package.

Essence

The essence of LT8391EUFD#PBF lies in its ability to efficiently regulate voltage across a wide range of input and output voltages, making it suitable for diverse applications.

Packaging/Quantity

The product is typically available in tape and reel packaging with a specified quantity per reel.

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Switching Frequency: 2MHz
  • Quiescent Current: 6µA
  • Operating Temperature Range: -40°C to 125°C
  • Maximum Duty Cycle: 98%

Detailed Pin Configuration

The LT8391EUFD#PBF features a detailed pin configuration that includes input, output, feedback, and control pins, as well as thermal pads for efficient heat dissipation.

Functional Features

  • Synchronous Buck-Boost Operation
  • Adjustable Frequency and Phase
  • Soft-Start Functionality
  • Overcurrent Protection
  • Thermal Shutdown
  • Power Good Indicator

Advantages and Disadvantages

Advantages

  • High Efficiency
  • Wide Input/Output Voltage Range
  • Compact Package Size
  • Integrated Protection Features

Disadvantages

  • Limited maximum duty cycle
  • Higher cost compared to non-synchronous converters

Working Principles

The LT8391EUFD#PBF operates on the principle of synchronous buck-boost conversion, where it can step up or step down the input voltage to provide a stable output voltage. It utilizes high-frequency switching and synchronous rectification to achieve high efficiency.

Detailed Application Field Plans

The LT8391EUFD#PBF is well-suited for a wide range of applications, including: - Battery-powered devices - Automotive electronics - Industrial automation - LED lighting systems - Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models to LT8391EUFD#PBF include: - LT8390 - LT8392 - LT8393 - LT8394

These alternatives offer similar functionality and performance, providing flexibility in design and application.

In conclusion, the LT8391EUFD#PBF is a versatile and efficient DC/DC converter with a wide range of applications, offering high performance and reliability in voltage regulation and power management.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT8391EUFD#PBF trong giải pháp kỹ thuật

Sure, here are 10 common questions and answers related to the application of LT8391EUFD#PBF in technical solutions:

  1. Q: What is the input voltage range of LT8391EUFD#PBF? A: The input voltage range of LT8391EUFD#PBF is from 4.5V to 100V.

  2. Q: What is the maximum output current of LT8391EUFD#PBF? A: The maximum output current of LT8391EUFD#PBF is 3A.

  3. Q: Can LT8391EUFD#PBF be used for LED lighting applications? A: Yes, LT8391EUFD#PBF is suitable for LED lighting applications due to its wide input voltage range and high efficiency.

  4. Q: What type of control loop does LT8391EUFD#PBF use? A: LT8391EUFD#PBF uses a current mode control loop.

  5. Q: Is LT8391EUFD#PBF suitable for automotive applications? A: Yes, LT8391EUFD#PBF is designed to operate in automotive environments and is suitable for automotive applications.

  6. Q: What is the switching frequency range of LT8391EUFD#PBF? A: The switching frequency range of LT8391EUFD#PBF is from 100kHz to 2MHz.

  7. Q: Can LT8391EUFD#PBF be synchronized to an external clock? A: Yes, LT8391EUFD#PBF can be synchronized to an external clock using its SYNC pin.

  8. Q: What are the key features of LT8391EUFD#PBF for power supply designs? A: Some key features of LT8391EUFD#PBF include wide input voltage range, high efficiency, and integrated power MOSFETs.

  9. Q: Does LT8391EUFD#PBF have built-in protection features? A: Yes, LT8391EUFD#PBF includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  10. Q: Can LT8391EUFD#PBF be used in battery charging applications? A: Yes, LT8391EUFD#PBF can be used in battery charging applications due to its wide input voltage range and high efficiency.

These questions and answers should provide a good overview of the application of LT8391EUFD#PBF in technical solutions.