LTC3872ETS8#TRMPBF

DC DC Switching Controllers Overview

The LTC3872ETS8#TRMPBF is a boost DC/DC switching controller manufactured by Analog Devices Inc. It operates within a supply voltage range of 2.75V to 9.8V and features a fixed switching frequency of 550kHz. The device utilizes current mode control architecture without requiring a sense resistor. It is housed in an 8-lead TSOT-23 package with thermal pad, designed for surface mount installation.

DC DC Switching Controllers Feature Summary

• Implements constant frequency current mode control topology for boost converter applications
• Eliminates the need for external current sense resistors through proprietary sensing technology
• Integrates programmable soft-start functionality to manage inrush current during startup

DC DC Switching Controllers Applications

• Battery-powered portable electronics requiring efficient step-up conversion
• Industrial systems utilizing single-cell lithium-ion or lithium-polymer battery sources
• General-purpose boost power supplies operating within low input voltage ranges

DC DC Switching Controllers Procurement Notes

Verify the specific suffix TRMPBF against official Analog Devices documentation to confirm tape and reel packaging specifications and moisture sensitivity level requirements. Ensure that the ordering part number matches the exact temperature grade and package variant intended for the design. Cross-reference the datasheet revision date to confirm compliance with current RoHS standards before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this component when designing boost converters that require simplified bill of materials by avoiding sense resistors. The fixed 550kHz frequency allows for optimized passive component selection. Consider the TSOT-23 package constraints regarding thermal dissipation and available PCB area. Validate that the input voltage range aligns with the system's minimum operating conditions.

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 LTC3872IDDB but differs in package configuration. The ETS8 designation indicates the specific thin small outline transistor package variant suitable for space-constrained designs.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing circuit designs if considering alternative boost controllers from the same manufacturer.