LT8390IUFD#PBF - Analog Devices Inc.

Manufacturer Part Number

LT8390IUFD#PBF

Manufacturer

Analog Devices

Introduction

High-performance power management integrated circuit for DC-DC switching control

Product Features and Performance

Step-up/step-down functionality

Supports positive output configuration

Buck-Boost topology for efficient conversion

Single output channel, one output phase

Integrates a synchronous rectifier for improved efficiency

Built-in clock synchronization

Current limit and frequency control for protection and performance tuning

Soft start feature to reduce inrush current

High frequency switching range from 190kHz to 630kHz

Maximum duty cycle of 95% allows for a wide range of voltage outputs

Designed for high-temperature operation, ranging from -40°C to 125°C

Product Advantages

Versatility in handling varying input voltages with 4V to 60V supply capability

Can perform both step-up and step-down conversion to maintain a stable output

High duty cycle and frequency range provide flexibility in design

Efficient power conversion which can reduce the overall power loss and heat generation

The synchronous rectifier feature which increases efficiency, especially at high load currents

Key Technical Parameters

Voltage supply range: 4V ~ 60V

Switching frequency: 190kHz ~ 630kHz

Duty cycle (Max): 95%

Operating temperature range: -40°C ~ 125°C

Quality and Safety Features

Current limit feature for overload protection

Frequency control to maintain stability under different operating conditions

Thermal performance suitable for demanding conditions

Compatibility

Surface mount 28-WFQFN exposed pad for PCB integration

28-QFN (4x5) supplier device package compatible with standard mounting processes

Application Areas

Telecommunications

Automotive industry

Industrial power systems

Consumer electronics

Product Lifecycle

Product status: Active

Not nearing discontinuation currently

Availability of replacements or upgrades should be confirmed with manufacturer if needed

Several Key Reasons to Choose This Product

Reliable operation over a broad range of supply voltages

Flexibility in design due to adjustable switching frequencies and high duty cycle

Increased efficiency and reduced energy loss due to synchronous rectification and high-performance topology

Suitable for high-temperature applications ensuring performance in harsh environments

Analog Devices' reputable quality and performance in power management systems