LT1109ACS8#TRPBF

Overview

The LT1109ACS8#TRPBF is a boost DC/DC converter manufactured by Analog Devices Inc. It operates within an input voltage range of 2 V to 9 V and delivers up to 1 A output current. The device features an adjustable output voltage and functions at a switching frequency of 120 kHz. It requires a quiescent current of 360 uA and supports operation between 0°C and +70°C. Packaged in SOIC-8, this component serves as a compact power management solution for step-up applications.

Feature Summary

• Boost topology enables efficient voltage step-up from low input sources
• Adjustable output voltage provides flexible design configurations
• Integrated shutdown capability allows for effective power management

Applications

• Flash memory VPP generation
• PCMCIA Type I or Type II card power supplies
• General purpose DC/DC conversion

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm that the ACS8 designation corresponds to the commercial temperature grade and SOIC-8 package variant. Ensure compatibility with required input voltage ranges and load currents before integration into final designs.

Selection Notes

Select this component for applications requiring a simple boost converter with minimal external components. Consider the 1 A output current limit and 120 kHz switching frequency for efficiency requirements. Verify that the SOIC-8 package fits the available PCB space and thermal constraints.

Part Context

This part belongs to the LT1109 series of microprocessor DC/DC converters. It is designed for flash memory programming voltage generation and other low-power boost applications. The series offers various package options and temperature grades to suit different industrial and consumer electronics needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.