LTC3854IMSE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3854IMSE#PBF

Manufacturer

Analog Devices

Introduction

The LTC3854IMSE#PBF is a high-performance, step-down switching regulator controller optimized for power management applications, featuring advanced control and protection features.

Product Features and Performance

High performance step-down (buck) regulator controller

Synchronous rectification for improved efficiency

Supports wide input voltage range from 4.5V to 38V

Fixed 400kHz switching frequency

High duty cycle up to 98% allows for low dropout operation

Integrated functions: Enable and Soft Start

Operating temperature range: -40°C to 85°C

Surface mount package: 12-TSSOP with exposed pad for improved thermal dissipation

Product Advantages

Wide input voltage range accommodates various power sources

High efficiency reduces thermal stress and improves system performance

Compact package suitable for space-constrained applications

Integrated soft start minimizes inrush current during startup

Robust thermal management enhances reliability

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

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

Quality and Safety Features

Built-in protection features ensure system safety

Robust construction for long-term reliability

Compatibility

Designed for use in a wide range of power management applications

Application Areas

Telecommunications

Computing systems

Consumer electronics

Industrial applications

Product Lifecycle

Active status indicates ongoing production and support

No indication of nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Extended input voltage range supports diverse applications

High efficiency and synchronous operation for optimal performance

Compact and thermal efficient packaging

Integrated features simplify design and reduce external components

Proven reliability and quality from a leading manufacturer in power management