LT8391AIFE#PBF

Product Overview

Category

The LT8391AIFE#PBF belongs to the category of power management integrated circuits (PMICs).

Use

It is used for controlling and regulating power in various electronic devices and systems.

Characteristics

• High efficiency
• Wide input voltage range
• Compact package size
• Low quiescent current

Package

The LT8391AIFE#PBF is available in a small, thermally enhanced 16-lead TSSOP package.

Essence

This PMIC is essential for efficient power management in applications such as industrial equipment, automotive systems, and LED lighting.

Packaging/Quantity

The LT8391AIFE#PBF is typically sold in reels containing a specific quantity, as per the manufacturer's standard packaging.

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: Programmable from 0.8V to 80V
• Maximum Output Current: Up to 4A
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8391AIFE#PBF features a 16-pin TSSOP package with specific pin assignments for input, output, feedback, and control signals. Refer to the datasheet for the detailed pin configuration diagram.

Functional Features

• Wide input voltage range for versatile applications
• High efficiency synchronous buck-boost topology
• Programmable output voltage and current limit
• Integrated soft-start and tracking functionality
• Fault protection features including overvoltage and overcurrent protection

Advantages and Disadvantages

Advantages

• Versatile input voltage range
• High efficiency operation
• Compact package size
• Comprehensive fault protection features

Disadvantages

• Limited maximum output current compared to some competing models
• Higher cost compared to non-synchronous alternatives

Working Principles

The LT8391AIFE#PBF operates on the principle of a synchronous buck-boost converter, providing efficient power conversion across a wide input voltage range. It utilizes advanced control algorithms to regulate the output voltage and current while ensuring high efficiency and reliable operation.

Detailed Application Field Plans

The LT8391AIFE#PBF is well-suited for a range of applications including: - Industrial power supplies - Automotive lighting and power systems - LED driver modules - Battery-powered devices

Detailed and Complete Alternative Models

• LT8390: Similar input voltage range and functionality
• LT8392: Higher output current capability
• LT8315: Non-synchronous buck-boost converter alternative

In conclusion, the LT8391AIFE#PBF offers a versatile and efficient solution for power management in various electronic systems, with its wide input voltage range, compact package, and comprehensive features making it suitable for diverse applications.

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