LM536015QUDSXRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM536015QDSXRQ1 is a synchronous step-down DC-DC converter designed for automotive applications. It provides a fixed 5V output with a maximum current of 1A. The device operates from an input voltage range of 3.8V to 36V and features a fixed switching frequency of 2.1MHz. It is housed in a compact 10-WFDFN (3x3mm) package with an exposed pad. The component is qualified to AEC-Q100 standards and supports junction temperatures up to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load ranges
• Automotive-grade qualification ensuring reliability in harsh environments
• Compact footprint suitable for space-constrained PCB layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Electronic control unit (ECU) auxiliary power supplies
• Body control module voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'QDSX' against the manufacturer's official datasheet to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure the ordering part number matches the required automotive grade and temperature rating specifications before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V rail is required for automotive loads drawing up to 1A. The 2.1MHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify that the input voltage source remains within the specified 3.8V to 36V operational window for stable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM53601-Q1 family of ultra-wide input voltage synchronous buck converters. The family includes adjustable output variants and different current ratings, all sharing similar architectural features for automotive power management. The 'Q1' designation indicates compliance with automotive quality and reliability standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM536015QDSXTRQ1: Identical electrical specifications and pinout; verify if the 'T' suffix denotes a different reel quantity or packaging variant rather than a functional change.