LTC3872IDDB#TRMPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3872IDDB#TRMPBF

Manufacturer

Analog Devices

Introduction

The LTC3872 is a compact, high-performance Step-Up (boost) DC-DC Switching Controller designed for power management applications.

Product Features and Performance

Utilizes a transistor driver for efficient power conversion

Supports a boost topology to increase input voltage

Operates with a single output configuration

Provides a switching frequency of 550kHz

Includes features like current limit, enable, and soft start for enhanced control

Product Advantages

High efficiency in voltage step-up applications

Compact 8-DFN package, suitable for space-constrained applications

Wide input voltage range from 2.75V to 9.8V, accommodating various supply levels

High-temperature tolerance from -40°C to 125°C, enabling operation in harsh environments

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up

Output Configuration: Positive

Topology: Boost

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 2.75V ~ 9.8V

Frequency Switching: 550kHz

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

Mounting Type: Surface Mount

Package / Case: 8-WFDFN Exposed Pad

Quality and Safety Features

Built-in current limit feature to prevent overload

Soft start functionality to mitigate inrush current at startup

Compatibility

Ideal for use with a wide range of higher-power single-cell or multi-cell battery configurations

Application Areas

Portable electronics

Battery-powered devices

Energy harvesting systems

Low-voltage industrial power supplies

Product Lifecycle

Currently active with no indication of near-term discontinuation

Availability of replacements or upgrades is maintained as part of Analog Devices' ongoing product support

Several Key Reasons to Choose This Product

Optimized for use in high-efficiency, low-power applications requiring voltage boost

Robust design capable of withstanding high operating temperatures and demanding environmental conditions

User-friendly controls including enable and soft-start features facilitate easy integration into existing designs

Surface mount package suitable for modern, compact PCB layouts

Supported by the reliability and innovation associated with the Analog Devices brand