LT1949ES8#TRPBF

Overview

The LT1949ES8#TRPBF is a synchronous step-up/SEPIC DC-DC converter from Analog Devices. It operates with an input voltage range of 1.5V to 12V and delivers up to 1A output current. The device integrates a 600kHz switching frequency, enabling the use of small external components. It features low quiescent current for efficient power management in battery-powered applications.

Feature Summary

• Integrated synchronous rectification for high efficiency
• Supports boost and SEPIC topologies
• Low noise operation suitable for sensitive loads

Applications

• Portable consumer electronics
• Battery-powered instrumentation
• Industrial control systems

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. or its subsidiary Linear Technology. Ensure the component matches the 8-lead SOIC package specifications required by your design.

Selection Notes

Select this component for designs requiring adjustable output voltages from a single-cell lithium-ion or alkaline battery source. Consider the 1A current limit and 600kHz frequency when determining inductor and capacitor values for your specific load requirements.

Part Context

This part belongs to the LT1949 family of switching regulators. It is designed to replace older non-synchronous converters, offering improved efficiency and smaller solution size. The ES8 variant specifically denotes the surface-mount package configuration.

Replacement Considerations

LT1949ES8#PBF is the tube-packaged equivalent. LT1949EMS8#TRPBF is the MSOP-8 package version. Verify pin compatibility before substitution.