LTC3872ETS8-1#TRPBF

DC DC Switching Controllers Overview

The LTC3872ETS8-1#TRPBF 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 maximum output voltage of 60V. The device features a fixed switching frequency of 550kHz and requires no external sense resistor for current mode control. It includes integrated soft start, cycle-by-cycle current limiting, and shutdown capabilities. The component is housed in a TSOT-23-8 package and functions with a supply voltage of 2.75V to 9.8V.

DC DC Switching Controllers Feature Summary

• Eliminates the need for external current sensing resistors through proprietary internal sensing architecture.
• Integrates programmable soft-start functionality to manage inrush current during startup sequences.
• Provides precise cycle-by-cycle peak current limiting to protect power switches under fault conditions.

DC DC Switching Controllers Applications

• Battery-powered portable electronics requiring efficient step-up conversion
• Industrial systems utilizing single-cell lithium-ion or multi-cell battery packs
• General-purpose boost converter designs for embedded applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix -1 against the official Analog Devices datasheet to confirm pinout and functional compatibility. Ensure the TSOT-23-8 package dimensions match the target PCB footprint. Confirm RoHS compliance status and operating temperature range requirements align with the final system specifications before integration.

DC DC Switching Controllers Selection Notes

Select this controller for designs prioritizing high efficiency by removing sense resistor losses. It is suitable for applications where input voltages vary between 2.75V and 9.8V. Consider the 550kHz fixed frequency when designing passive components. Evaluate the maximum 60V output capability against load requirements. Compare against synchronous alternatives if bidirectional energy flow is not required.

DC DC Switching Controllers Part Context

This component belongs to the LTC3872 family of non-synchronous boost controllers. It shares architectural similarities with other members like the LTC3872ETS8 but may differ in specific pin configurations or internal references. The series is designed for compact, high-efficiency power solutions in space-constrained environments.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with generic boost controllers only after confirming electrical parameter alignment and pinout equivalence.