LT8640SIV#PBF - Analog Devices Inc.

Manufacturer Part Number

LT8640SIV#PBF

Manufacturer

Analog Devices

Introduction

The LT8640SIV#PBF is a high-efficiency, Silent Switcher®2 step-down (buck) regulator.

Product Features and Performance

Silent Switcher 2 architecture minimizes EMI/EMC emissions

High efficiency at multiple load points

Wide input voltage range suitable for diverse applications

Adjustable output voltage for design flexibility

Supports high frequency switching for reduced inductor size

Synchronous rectification for improved efficiency

Stable operation with ceramic capacitors

Internal thermal protection

Product Advantages

Low EMI allows use in noise-sensitive applications

High switch frequency enables compact power supply design

Ability to sustain high temperatures expands use scenarios

High efficiency reduces thermal issues and saves energy

Key Technical Parameters

Voltage Input (Min): 3.4V

Voltage Input (Max): 42V

Voltage Output (Min/Fixed): 0.97V

Voltage Output (Max): 42V

Current Output: 6A

Frequency Switching: 200kHz ~ 3MHz

Number of Outputs: 1

Topology: Buck

Output Configuration: Positive

Output Type: Adjustable

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

Quality and Safety Features

Over-temperature protection

Built-in short-circuit protection

Meets regulatory standards for emissions and safety

Compatibility

Suitable for use with a wide range of input sources and output loads

Compatible with industry-standard 24-LQFN (4x4) mount

Application Areas

Automotive and industrial power supplies

Portable and battery-powered devices

Communications and networking equipment

Medical devices and healthcare products

Computing and data storage systems

Product Lifecycle

Active status, available for new designs

Not approaching discontinuation, with support expected to continue

Several Key Reasons to Choose This Product

Exceptionally low EMI characteristics ideal for RF-sensitive environments

Flexible input and output parameters accommodate diverse power needs

Efficient operation across a wide temperature range ensures reliability

High switching frequency allows for smaller, lighter, and more efficient designs

From a renowned manufacturer known for quality power management solutions