LMR36015SBRNXR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR36015SBRNXR is a synchronous step-down converter from Texas Instruments with an input voltage range of 4.2 V to 60 V and a maximum output current of 1.5 A. It features a fixed switching frequency of 400 kHz and operates within a junction temperature range of -55°C to +150°C. The device provides adjustable output voltages between 0 V and 5 V, draws a typical quiescent current of 26 µA, and utilizes a VQFN-HR-12 package for compact integration.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports extended junction temperature operation up to +150°C
• Integrates high-side and low-side power switches in a compact footprint
• Includes programmable soft-start functionality to limit inrush current

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation systems requiring wide input voltage ranges
• Automotive electronics compliant with harsh thermal environments
• Point-of-load regulation for microprocessors and FPGAs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'S' indicates the extended junction temperature rating compared to standard variants. Confirm the package marking code matches the VQFN-HR-12 specification. Ensure the ordering part number aligns with the required tape and reel quantity for production assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when applications demand operation above the standard +125°C limit. Compare against the LMR36015BRNXR if standard automotive temperatures suffice. Evaluate thermal dissipation requirements based on the 1.5 A continuous current capability and the small package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This model belongs to the LMR36015 family of ultra-small synchronous buck converters. It shares core electrical specifications with other variants but distinguishes itself through enhanced thermal performance suitable for demanding industrial and automotive sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LMR36015BRNXR serves as a direct functional substitute for standard temperature applications. Verify that the lower junction temperature rating of the BR variant meets the specific thermal constraints of the target design.