LM536255QRNLRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM536255QRNLRQ1 is a synchronous step-down DC/DC converter from Texas Instruments, designed for automotive applications. It features an adjustable output voltage and delivers up to 2.5 A of output current. The device operates with an input voltage range of 3.9 V to 36 V and supports a fixed switching frequency of 2.1 MHz. It utilizes a VQFN-HR-22 package and includes a shutdown function. The component is qualified under AEC-Q100 standards and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Automotive qualification compliant
• Compact VQFN-HR-22 package design

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'L' in the part number against the manufacturer's official datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the ordering quantity aligns with the standard reel packaging specifications provided by the supplier. Cross-reference the AEC-Q100 grade documentation to validate automotive reliability standards for your specific application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for automotive power rails needing up to 2.5 A. The 2.1 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Verify that the input voltage range covers your system's minimum and maximum supply conditions. Consider thermal performance in the VQFN-HR-22 package for your PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM53625 family of SIMPLE SWITCHER converters. It shares architectural similarities with other members like the LM53635 but differs in output current capabilities and fixed vs. adjustable output configurations. The family targets high-efficiency power management in space-constrained automotive environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM53625MQURNLRQ1: Similar 2.5 A capability and package; verify if adjustable output matches your design needs.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the output voltage fixed or adjustable?

The LM536255 variant typically features a fixed output voltage, whereas the base LM53625 series offers adjustable options.

What is the maximum operating junction temperature?

The device is rated for a maximum junction temperature of +125°C.