LTC3867EUF#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3867EUF#TRPBF

Manufacturer

Analog Devices

Introduction

A highly integrated step-down (buck) switching regulator controller designed to manage power within electronic systems.

Product Features and Performance

Step-down voltage regulation, allowing conversion of higher voltage to a lower voltage with efficiency.

Supports a wide range of supply voltages from 4V to 38V, accommodating various power sources.

High frequency switching range from 200kHz to 1.2MHz, enabling compact external components and fast transient response.

Up to 98% maximum duty cycle, allowing very low dropout operation.

Synchronous rectification support for improved efficiency.

Integrated control features including current limit, enable pin, frequency control, power-good signal, soft-start capability, and voltage tracking.

Product Advantages

High efficiency and reduced power loss due to synchronous rectification.

Flexible power management due to a wide supply voltage range and adjustable switching frequency.

Fast transient response and the ability to handle high duty cycle applications.

Enhanced safety and reliability through comprehensive control features.

Compact and efficient design possible due to high-frequency operation.

Key Technical Parameters

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

Frequency Switching: 200kHz ~ 1.2MHz

Duty Cycle (Max): 98%

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

Package / Case: 24-WFQFN Exposed Pad

Quality and Safety Features

Operating temperature range ensures reliability in extreme conditions.

Current limiting functionality to protect against overcurrent conditions.

Power-good signal provides system safety and reliability by indicating when the output voltage is within nominal operating conditions.

Compatibility

Surface Mount technology for PCB integration.

Compatible with a wide range of external components due to flexible design requirements.

Application Areas

Telecommunications

Industrial power systems

Computing and data storage

Networking equipment

Portable and battery-operated devices

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring long-term availability.

Support and upgrades can be expected as part of Analog Devices’ product portfolio.

Several Key Reasons to Choose This Product

Wide voltage input range caters to diverse power requirements.

High efficiency and minimal power loss due to synchronous rectification and high-duty cycle capability.

Adjustable switching frequency for design flexibility and efficiency.

Robust package design suitable for various application environments.

Comprehensive control and safety features ensure reliable operation under different conditions.