LT8580EMS8E#TRPBF

Overview

The LT8580EMS8E#TRPBF is a switching regulator from Analog Devices, packaged in an 8-lead MSOP. It supports Boost, SEPIC, and Inverting topologies with a 1A switch current capability and 65V switch voltage rating. The device operates with an input voltage range of 2.9V to 40V and provides an adjustable output voltage up to 65V. Key electrical parameters include a 1.5MHz fixed switching frequency, 1.2mA operating supply current, and a shutdown feature. It functions within a temperature range of -40°C to +125°C.

Feature Summary

• Supports multiple converter topologies including boost, SEPIC, and inverting configurations.
• Integrates a 1A switch with a 65V breakdown voltage for high-voltage applications.
• Features internal soft-start and synchronization capabilities.

Applications

• Battery-powered systems requiring voltage step-up or inversion
• Industrial control circuits utilizing SEPIC topology
• Automotive electronics operating within specified voltage ranges

Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm the MSOP-8 package variant matches the design footprint. Ensure the component meets RoHS compliance requirements for the target assembly process. Cross-reference the manufacturer part number with official Analog Devices documentation to confirm availability status.

Selection Notes

Select this component for designs requiring flexible topology support in a compact surface-mount package. The 1.5MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 1.2mA quiescent current for standby power constraints. Evaluate thermal performance within the MSOP-8 enclosure for the expected load conditions.

Part Context

This part belongs to the LT8580 family of DC/DC converters designed for versatile power conversion needs. It complements other Analog Devices regulators by offering multi-topology functionality in a single IC. The series targets applications needing efficient power management across varying input and output voltage scenarios.

Replacement Considerations

LT8580EMS8E#PBF (Tube version)

FAQ

What switching frequencies does the LT8580 support?

The LT8580 operates at a fixed switching frequency of 1.5 MHz.

Does the LT8580 support external clock synchronization?

Yes, the device includes synchronization capabilities to align its switching frequency with an external clock source.