LTC3260MPMSE#PBF

Overview

The LTC3260MPMSE#PBF is a dual supply inverting charge pump regulator manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5V to 32V and delivers an adjustable output current up to 100mA. The device supports switching frequencies between 50kHz and 500kHz. It is housed in a 16-MSOP-EP package with an exposed pad for thermal management. The component is rated for operation at junction temperatures from -40°C to 150°C, ensuring reliability in demanding industrial environments.

Feature Summary

• Generates negative voltage rails from positive supply inputs using inverting charge pump topology
• Features adjustable switching frequency to optimize efficiency and external component size
• Includes exposed pad for enhanced thermal dissipation in compact surface mount packages

Applications

• Biasing operational amplifiers requiring negative supply rails
• Powering RS-232 transceivers and interface circuits
• Providing gate drive voltages for N-channel MOSFETs

Procurement Notes

Verify the specific suffix 'MP' indicates military-grade qualification when sourcing this part number. Confirm the package type matches the design footprint requirements. Check manufacturer documentation for any recent production changes or material declarations. Ensure the supplier provides valid traceability records for qualified components.

Selection Notes

Select this component when a stable negative voltage is required from a single positive source. The wide input voltage range accommodates various bus architectures. Consider the thermal performance of the MSOP-EP package for high ambient temperature applications. Verify that the 100mA output current meets the load requirements of the target circuitry.

Part Context

This part belongs to the LTC3260 family of low noise charge pumps. It shares functional similarities with other Linear Technology regulators designed for generating auxiliary power rails. The device integrates internal switches and control logic to minimize external component count compared to discrete solutions.

Replacement Considerations

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