LT8609AEMSE#TRPBF

Overview

The LT8609AEMSE#TRPBF is a synchronous step-down switching regulator from Analog Devices, housed in a 10-MSOP package with an exposed pad. It supports an input voltage range of 3 V to 42 V and delivers up to 3 A of output current. The device features adjustable output voltages starting from 0.782 V and offers a programmable switching frequency between 200 kHz and 2.2 MHz. It operates within a junction temperature range of -40°C to +125°C.

Feature Summary

• Synchronous buck topology for high efficiency
• Wide 3 V to 42 V input voltage capability
• Adjustable switching frequency up to 2.2 MHz
• Integrated soft-start functionality

Applications

• Industrial power systems
• Distributed power architectures
• Point-of-load regulation

Procurement Notes

Verify the exact suffix against official documentation to confirm package type and thermal characteristics. Confirm RoHS compliance status through manufacturer declarations. Check for specific handling requirements related to the exposed pad thermal design. Ensure compatibility with intended operating temperatures before integration.

Selection Notes

Select this component when a wide input voltage range and moderate output current are required in a compact surface-mount form factor. The adjustable frequency allows optimization for size versus noise trade-offs. Verify that the 10-MSOP package meets the thermal dissipation needs of the specific application environment.

Part Context

This part belongs to the LT8609 family of high-efficiency synchronous step-down regulators. The family includes variants with different packages such as DFN and MSOP, and fixed or adjustable output options. These devices are designed for applications requiring robust performance across varying input conditions.

Replacement Considerations

Consult official substitution guides for compatible parts within the LT8609 series or other Analog Devices synchronous buck regulators. Verify pinout compatibility and electrical specifications before replacing.