LT8390AIUFD#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT8390AIUFD#TRPBF

Manufacturer

Analog Devices

Introduction

High-efficiency power management integrated circuit for buck-boost voltage regulation

Product Features and Performance

Robust buck-boost operation

Single output transistor driver

Supports step-up and step-down voltage conversion

Positive output configuration

Synchronous rectification for improved efficiency

Capability of clock synchronization

Integrated soft start reduces inrush current

Current limit feature for safety and reliability

High switching frequency range for flexible design

Product Advantages

Highly efficient across a broad input voltage range of 4V to 60V

Supports high frequency operation up to 2.1MHz allowing for smaller external components

Can output up to 95% duty cycle for low dropout operation

Adaptive switching frequency for optimal system performance

Operational across a wide temperature range of -40°C to 125°C

Key Technical Parameters

Topology: Buck-Boost

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 4V ~ 60V

Frequency - Switching: 645kHz ~ 2.1MHz

Duty Cycle (Max): 95%

Synchronous Rectifier: Yes

Clock Sync: Yes

Control Features: Current Limit, Frequency Control, Soft Start

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Current limiting capability

Thermal shutdown

Soft start mechanism

Compatibility

Surface mount compatible with 28-WFQFN exposed pad

Utilizes a common 28-QFN (4x5) package for standardized PCB design

Application Areas

Power supply modules

Automotive electronics

Portable devices

Industrial power systems

Telecommunications equipment

Product Lifecycle

Product status: Active

No indication of nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Highly versatile for various power regulation needs with buck-boost capability

Energy-saving with high efficiency and synchronous rectification

Compact system design with high switching frequency and small external components

Dependable operation with built-in protection features

Suitable for a wide array of applications due to broad input voltage range and thermal performance