LT8614IUDC#PBF - Analog Devices Inc.

Manufacturer Part Number

LT8614IUDC#PBF

Manufacturer

Analog Devices

Introduction

The LT8614 is a compact, high-efficiency, high-speed synchronous step-down switching regulator from Analog Devices that minimizes quiescent current and noise.

Product Features and Performance

Step-down voltage regulator with adjustable output

Synchronous rectification for improved efficiency

Soft-start feature to reduce inrush current

Internal compensation simplifies design

Fast minimum on-time for high step-down ratios

Ultralow quiescent current ideal for battery-powered applications

Capable of 4A continuous output current

Wide input voltage range from 3.4V to 42V

Supports output voltages from 3.3V to 30V

Highly efficient operation with switching frequencies from 200kHz to 3MHz

Low dropout under all conditions enhancing efficiency

Thermal protection and overcurrent protection

Product Advantages

High efficiency reduces thermal footprint

Low quiescent current extends battery life

Wide input voltage range allows for use in variable power supply applications

Flexible switching frequency for noise-sensitive applications

Compact, thermally enhanced 20-QFN package

Key Technical Parameters

Input Voltage (Min): 3.4V

Input Voltage (Max): 42V

Output Voltage (Adjustable Min/Fixed): 3.3V

Output Voltage (Max): 30V

Output Current: 4A

Switching Frequency: 200kHz to 3MHz

Operating Temperature Range: -40°C to +125°C

Quality and Safety Features

Built-in thermal shutdown

Overcurrent protection

Robust ESD protection

Compatibility

Compatible with ceramic, tantalum, and film capacitors

Application Areas

Automotive

Industrial

Telecommunications

Computing

Battery-powered devices

Product Lifecycle

Active product status

Not reported as nearing discontinuation

Replacement or upgrade paths may be available

Reasons to Choose This Product

High efficiency for energy-saving applications

Low noise operation suits RF and precision analog circuits

Synchronous rectification enhances power efficiency

Wide input range adaptable to various input sources

Compact package suitable for space-constrained designs

Customizable switching frequency for design flexibility

Robust protection features to ensure long-term reliability

Active product lifecycle suggests ongoing manufacturer support

Surface mount package for modern PCB manufacturing techniques