LT3958IUHE#TRPBF

Overview

The LT3958IUHE#TRPBF is a high-voltage switching regulator IC from Analog Devices, housed in a 36-lead QFN package. It supports boost, flyback, SEPIC, and inverting topologies with an input voltage range up to 80V and adjustable output voltages reaching 84V. The device delivers a switch current of 3.3A at a fixed 1MHz switching frequency. Operating temperatures span from -40°C to +125°C, with a quiescent current of 1.6mA.

Feature Summary

• Supports multiple converter topologies including boost, flyback, SEPIC, and inverting configurations within a single integrated circuit.

Applications

• Industrial power supplies requiring high input voltage tolerance
• Automotive electronics systems
• Telecommunications infrastructure equipment

Procurement Notes

Verify component authenticity through authorized channels due to limited supply status. Confirm the specific suffix matches project requirements as variations exist within the series. Ensure thermal management aligns with the QFN-36 package specifications for reliable operation under load conditions.

Selection Notes

Select this component when designing circuits requiring high input voltage handling and flexible topology options. The fixed 1MHz frequency aids in passive component size reduction compared to lower-frequency alternatives. Evaluate thermal dissipation capabilities carefully given the high current rating and dense packaging constraints.

Part Context

This part belongs to the LT3958 family of high-voltage DC/DC converters designed for demanding industrial and automotive environments. It complements other Analog Devices power management solutions by offering versatile conversion modes without requiring external controller complexity.

Replacement Considerations

LT3958EUHE#TRPBF is a verified alternative within the same product family sharing identical electrical characteristics and pinout compatibility.