LTC3851AEMSE-1#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3851AEMSE-1#PBF

Manufacturer

Analog Devices

Introduction

High-performance step-down switching controller for power management applications

Product Features and Performance

Active product status

Step-down (Buck) topology

Single-output with transistor driver

Output configuration is positive

Synchronous rectification for higher efficiency

Soft start minimizes inrush current during startup

Power Good signal for output voltage monitoring

Frequency control for tailored switching frequencies

Product Advantages

Wide voltage supply range suitable for various applications (4V to 38V)

Adjustable switching frequency from 235kHz to 750kHz

High maximum duty cycle of 99%

Capable of operating at high temperatures up to 125°C

Suitable for surface mount technology

Key Technical Parameters

Number of Outputs: 1

Output Phases: 1

Duty Cycle (Max): 99%

Voltage - Supply (Vcc/Vdd): 4V ~ 38V

Frequency - Switching: 235kHz ~ 750kHz

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

Quality and Safety Features

Robust thermal performance with exposed pad package

Built-in safety features including Enable and Tracking

Compatibility

Compatible with standard 16-TFSOP surface mount footprint

Application Areas

Suitable for telecommunications, computing systems, and industrial applications

Product Lifecycle

Product is currently active

No indication of discontinuation

Availability of replacements or upgrades not stipulated

Several Key Reasons to Choose This Product

Wide input voltage range catering to various power requirements

Flexible switching frequency allows for design optimization

High-efficiency synchronous operation reduces power loss

Supports a broad temperature range for diverse environments

High duty cycle enables low dropout operation