LT3502AIMS#TRPBF

Overview

The LT3502AIMS#TRPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 2.7V to 36V and provides an adjustable output voltage from 0.8V to 31V. The device delivers up to 2A of continuous output current with a fixed switching frequency of 1.1MHz. It utilizes an MSOP-10 package with exposed pad for thermal dissipation. The IC includes integrated power switches, eliminating the need for external inductors or diodes in many configurations, and supports operation over a junction temperature range of -40°C to 125°C.

Feature Summary

• Integrated synchronous rectification architecture for high efficiency
• Fixed 1.1MHz switching frequency enables compact passive component selection
• Wide input voltage range accommodates various supply sources
• Adjustable output voltage allows flexible system design

Applications

• Point-of-load regulation for embedded processors
• Battery-powered equipment requiring efficient step-down conversion
• Industrial control systems with wide input voltage variations
• Communication infrastructure power distribution

Procurement Notes

Verify the specific suffix 'AIMS' corresponds to the intended temperature grade and packaging configuration. Confirm that the lead time aligns with project schedules as manufacturing durations vary. Ensure compatibility with existing board layouts regarding the MSOP-10 footprint and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component when a compact solution is required for converting higher voltages to lower logic levels. The fixed frequency operation simplifies filter design compared to variable frequency alternatives. Consider the thermal performance of the MSOP-10 package relative to the expected load current and ambient conditions to ensure reliable operation within specified limits.

Part Context

This part belongs to the LT3502 family of synchronous buck converters designed for space-constrained applications. It integrates high-side and low-side N-channel MOSFETs to minimize external component count. The series is characterized by high efficiency across a broad load range and robust protection features including thermal shutdown and current limiting.

Replacement Considerations

Direct substitutes include other Analog Devices synchronous buck regulators with similar pinouts and electrical characteristics. Verify input voltage ranges and current capabilities match application requirements when considering alternative packages or families.