LTC3872ETS8-1#TRMPBF

DC DC Switching Controllers Overview

The LTC3872ETS8-1#TRMPBF is a constant frequency current mode boost DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.75V to 9.8V and supports a switching frequency of 550kHz. The device features a TSOT-23-8 package and functions as a single-output positive regulator. It includes control characteristics such as current limiting, enable, and soft start capabilities. The operating temperature range extends from -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Eliminates the need for external sense resistors through integrated current mode control architecture
• Provides precise regulation with low load regulation performance for stable output voltages
• Integrates essential protection and management features including soft start and shutdown functionality

DC DC Switching Controllers Applications

• Single-output boost converter designs requiring high efficiency
• Battery-powered systems utilizing low input voltage ranges
• Portable electronic devices needing compact power management solutions

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRMPBF indicates tape and reel packaging with manual feed compatibility. Confirm the -1 variant designation aligns with required electrical specifications. Ensure the TSOT-23-8 footprint matches the target PCB layout. Validate RoHS compliance status against project requirements before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing boost converters that require resistor-less current sensing to reduce bill of materials cost. Consider the 550kHz fixed frequency for balancing component size and efficiency. Evaluate the 2.75V minimum input voltage against source availability. Assess the thermal performance within the specified ambient temperature range for the intended enclosure.

DC DC Switching Controllers Part Context

This part belongs to the LTC3872 family of no RSENSE current mode boost controllers. It shares architectural similarities with other members like the standard LTC3872 but may feature distinct electrical tolerances or pin configurations indicated by the suffix. The series targets applications demanding simplified design cycles and reduced passive component counts in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional compatibility with existing designs if considering alternative manufacturers. Check pinout correspondence and electrical parameter overlaps carefully before substitution.