LT8641IUDC#PBF - Analog Devices Inc.

Manufacturer Part Number

LT8641IUDC#PBF

Manufacturer

Analog Devices

Introduction

High-efficiency silent switcher step-down voltage regulator

Product Features and Performance

Silent Switcher architecture minimizes EMI/EMC emissions

High efficiency at light and heavy loads

Wide input voltage range from 3V to 65V

Adjustable output voltage from 0.8V to 64.35V

5A continuous output current

Programmable switching frequency from 210kHz to 2MHz

Synchronous rectification for improved efficiency

Thermal overload protection

Current mode operation for excellent line and load transient response

Low dropout under all conditions due to strong internal switches

Soft-start capability to prevent inrush current at startup

Product Advantages

Low EMI emissions suitable for noise-sensitive applications

Broad input voltage range supports a variety of supply voltages

Highly versatile for different output voltages and currents

Integrated bypass capacitors to reduce component count

Fast transient response ideal for modern microprocessors and FPGAs

Key Technical Parameters

Input Voltage (Min): 3V

Input Voltage (Max): 65V

Output Voltage (Min/Fixed): 0.8V

Output Voltage (Max): 64.35V

Current - Output: 3.5A

Frequency - Switching: 210kHz ~ 2MHz

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

Quality and Safety Features

Built-in thermal shutdown

Overcurrent and short-circuit protection

Stable with ceramic bulk capacitors

RoHS compliant and lead-free

Compatibility

Compatible with a wide range of microcontrollers, FPGAs, and other digital ICs

Application Areas

Telecommunication and industrial systems

Automotive electronics

Datacom and telecom power systems

Distributed power supplies

Product Lifecycle

Active status

No indication of nearing discontinuation

Replacements or upgrades should be available within the family

Reasons to Choose This Product

Ultra-low EMI noise generation ideal for RF and precision analog applications

High-efficiency power conversion which reduces heat and power loss

Flexible voltage configurations for a wide range of applications

Robust package suitable for harsh environments

Trusted manufacturer with a reputation for quality in power management solutions

Synchronous rectification for better efficiency at light and heavy loads

Ability to supply a significant amount of current (3.5A) for various circuits

Extensive protection features ensuring long-term reliability

Ability to achieve high switch frequency for smaller passive components

Support for a wide variety of applications due to comprehensive operating temperature range