LT3990IMSE#PBF

Overview

The LT3990IMSE#PBF is a synchronous buck switching regulator from Analog Devices, housed in a 16-lead MSOP package. It supports an input voltage range of 4V to 62V and delivers up to 350mA output current. The device features adjustable switching frequencies up to 2.3MHz and ultra-low quiescent current of 2.5µA. Operating temperatures span from -40°C to +125°C.

Feature Summary

• Synchronous step-down topology for high efficiency
• Wide 62V input voltage capability
• Adjustable frequency operation up to 2.3MHz
• Ultra-low 2.5µA quiescent current

Applications

• Industrial control systems
• Automotive electronics
• Battery-powered equipment
• Telecommunications infrastructure

Procurement Notes

Verify the specific suffix against official documentation to confirm temperature grade and package type. Confirm RoHS compliance status with the manufacturer. Ensure the ordering part number matches the required electrical specifications before procurement.

Selection Notes

Select this component for designs requiring wide input voltage ranges and low standby power consumption. The adjustable frequency allows optimization for size or noise. Verify thermal performance requirements for the MSOP-16 package under maximum load conditions.

Part Context

Part of the LT3990 family of monolithic buck regulators. Designed for applications needing high voltage tolerance and low quiescent current. Manufactured by Analog Devices Inc. as a PMIC solution.

Replacement Considerations

Check datasheets for compatible parts within the LT3990 series. Verify pinout compatibility and electrical parameter overlaps before substitution.

FAQ

What is the maximum input voltage?

The device accepts input voltages up to 62V.

Is the switching frequency fixed?

No, the switching frequency is adjustable.