LT3502AEDC#TRMPBF

Overview

The LT3502AEDC#TRMPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3V to 40V and provides an adjustable output voltage from 0.8V to 36V. The device delivers a continuous output current of 500mA at a fixed switching frequency of 1.1MHz. Packaged in an 8-lead WDFN (2x2mm) with exposed pad, it supports surface mount installation and functions within a junction temperature range of -40°C to 125°C.

Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed 1.1MHz switching frequency enables compact external component sizing
• Wide input voltage capability accommodates various power sources

Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Battery-powered portable devices requiring efficient voltage conversion

Procurement Notes

Verify the specific suffix 'A' against official documentation to confirm performance variations relative to the standard LT3502. Ensure the DC package designation matches the required footprint. Confirm RoHS compliance status through the manufacturer's material declaration before final procurement integration.

Selection Notes

Select this component when a compact solution is required for converting higher voltages down to lower logic levels. The 1.1MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Verify that the 500mA load requirement fits within the thermal limits of the selected PCB layout and ambient conditions.

Part Context

This part belongs to the LT3502 family of synchronous buck regulators designed for space-constrained applications. The series offers integrated power switches to minimize board area. The specific model utilizes a thermally enhanced DFN package to facilitate heat dissipation while maintaining a low profile suitable for dense assembly environments.

Replacement Considerations

LT3502IDC#TRMPBF