LTC3851EMSE-1#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3851EMSE-1#PBF

Manufacturer

Analog Devices

Introduction

The LTC3851EMSE-1#PBF is a high-performance step-down switching controller designed for power management applications, featuring a wide input voltage range and a variety of control features.

Product Features and Performance

Step-down (Buck) topology for efficient down conversion of voltage

Single output with a positive output configuration

Supports a wide input voltage range of 4V to 38V, accommodating a variety of source voltages

Flexible switching frequency from 250kHz to 750kHz, allowing optimization between efficiency and component size

High duty cycle up to 99% for low dropout operation

Incorporates synchronous rectification for improved efficiency

Offers features such as Enable, Frequency Control, Power Good, Soft Start, and Tracking for easier integration and reliable operation

Product Advantages

High efficiency due to synchronous rectification and the possibility to fine-tune switching frequency

Wide input voltage range makes it suitable for a broad range of applications

Advanced control features enhance performance, safety, and usability

Key Technical Parameters

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

Frequency Switching: 250kHz ~ 750kHz

Duty Cycle (Max): 99%

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

Quality and Safety Features

Built-in protection features ensure safe operation under a variety of conditions

Robust design meets industry standards for quality and reliability

Compatibility

Surface mount package (16-TFSOP, 16-MSOP-EP) compatible with standard PCB manufacturing processes

Application Areas

Power supply modules

Distributed Power Systems

Communications equipment

Consumer electronics

Industrial systems

Product Lifecycle

Status: Active, indicating ongoing production and support

Not currently nearing discontinuation, with replacements or upgrades not specifically mentioned

Several Key Reasons to Choose This Product

High flexibility in input voltage and switching frequency allows for use in a diverse range of applications

High efficiency design leads to lower power loss and heat generation

Integrated features for easy implementation and reliable operation

Robust construction and built-in safety features ensure long-term reliability

Supportive of both surface mount technology, aiding in broad compatibility with modern PCB designs