LMR43620RS5QRPERQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR43620RS5QRPERQ1 is a synchronous step-down DC-DC converter from Texas Instruments, designed for automotive applications. It operates with an input voltage range of 3 V to 36 V and provides a fixed output voltage of 5 V at up to 2 A. The device features ultra-low quiescent current of 1.5 µA and supports junction temperatures up to 150°C. It utilizes a compact 9-pin VQFN-HR package with wettable flanks for enhanced solderability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Compact HotRod QFN package with wettable flanks for superior thermal performance
• Ultra-low quiescent current enabling extended battery life in standby modes
• High operating junction temperature capability for harsh industrial environments

Voltage Regulators - DC DC Switching Regulators Applications

• Factory automation field transmitters
• Building automation HVAC systems
• Fire safety control units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix RS5Q confirms the fixed 5V output and automotive grade status against the official datasheet. Confirm the VQFN-HR-9 package variant matches your PCB footprint requirements. Ensure ESD handling protocols are followed due to moisture sensitivity classification. Cross-reference the manufacturer part number directly to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-temperature buck converter is required for automotive or industrial power rails. It is suitable for designs needing a fixed 5V output from a wide input range. Consider the 2A current capacity and small form factor for space-constrained layouts. Verify compatibility with existing system thermal management strategies.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR436x0 family of low-EMI synchronous buck converters. It shares pinout compatibility with other members like the LMR43610 and LMR43606 series. The family is characterized by its miniature solution size and internal compensation, simplifying design implementation across various power levels.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR43620MB5RPER is a non-automotive equivalent within the same family offering identical electrical specifications but without AEC-Q100 certification.