LTC3872IDDB#TRMPBF

DC DC Switching Controllers Overview

The LTC3872IDDB#TRMPBF is a No RSENSE current mode boost DC/DC controller manufactured by Analog Devices Inc. It operates within an input voltage range of 2.75 V to 9.8 V and supports a switching frequency of 550 kHz. The device delivers a maximum output voltage of 60 V with one output channel. It functions in surface-mount DFN-8 packages, specifically the 3x2 mm footprint, and maintains an operating supply current of 0.25 mA. The component is rated for junction temperatures between -40°C and +125°C.

DC DC Switching Controllers Feature Summary

• Eliminates the need for external sense resistors through proprietary No RSENSE current mode control architecture
• Provides constant frequency operation with integrated soft-start and cycle-by-cycle current limiting capabilities
• Supports high efficiency conversion via synchronous rectification driver outputs for external MOSFETs

DC DC Switching Controllers Applications

• Single-output boost converter designs requiring precise current regulation without power loss from sense resistors
• Battery-powered systems utilizing input voltages between 2.75 V and 9.8 V
• Industrial or automotive applications demanding wide operating temperature ranges up to 125°C

DC DC Switching Controllers Procurement Notes

Verify the specific suffix #TRMPBF indicates tape and reel packaging with manual cut tape availability. Confirm the 'I' grade designation matches required thermal performance specifications. Ensure compatibility with DFN-8 3x2 mm footprints during PCB layout. Cross-reference datasheet revisions to confirm pinout consistency for existing designs.

DC DC Switching Controllers Selection Notes

Select this controller when designing boost converters that require high accuracy without the power dissipation associated with traditional current sensing resistors. It is suitable for applications needing a fixed 550 kHz switching frequency and robust protection features including soft-start. Consider package thermal characteristics and ensure adequate copper area for the exposed pad in DFN-8 configurations.

DC DC Switching Controllers Part Context

This component belongs to the LTC3872 family of switching voltage regulators designed for high-efficiency power management. It shares architectural similarities with other No RSENSE controllers but is optimized specifically for boost topologies. The series offers various package options and temperature grades to accommodate diverse industrial and commercial power supply requirements.

DC DC Switching Controllers Replacement Considerations

LTC3872EDDB#TRMPBF: Same functional topology with potentially different temperature grade or packaging variant.