LTC3854EMSE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3854EMSE#PBF

Manufacturer

Analog Devices

Introduction

A high performance step-down switching regulator controller for power management applications.

Product Features and Performance

High efficiency synchronous operation

Wide input voltage range from 4.5V to 38V

Adjustable switching frequency up to 400kHz

Maximum duty cycle of 98%

Ensures stable operation with a single output phase

Supports positive output voltage configuration

Suitable for topologies requiring a buck converter

Product Advantages

High efficiency suitable for battery-operated systems

Adaptability to a wide range of input voltages

Low shutdown current enhancing battery life

Robust thermal performance with exposed pad package

Soft start and enable control features for flexible power management

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 4.5V ~ 38V

Frequency - Switching: 400kHz

Duty Cycle (Max): 98%

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package / Case: 12-TSSOP Exposed Pad

Supplier Device Package: 12-MSOP-EP

Quality and Safety Features

Built-in over-temperature protection

Robust package design with exposed pad for improved heat dissipation

Compatibility

Designed to be compatible with a wide range of other power management components due to standard surface mount package

Application Areas

Battery-powered devices

Networking and telecommunications equipment

Computer systems

Industrial controls

Product Lifecycle

Status: Active

Not currently nearing discontinuation

Availability of replacements or upgrades should be monitored through Analog Devices

Several Key Reasons to Choose This Product

Offers excellent power efficiency, essential for portable and battery-powered applications

Wide input range accommodating different power sources and conditions

High maximum duty cycle allowing for a wide range of output voltages

Simple and intuitive control features for easy integration into complex systems

Proven reliability and robustness from a trustworthy manufacturer, Analog Devices