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
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