LM53601LQDSXTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM53601LQDSXTQ1 is an automotive-grade synchronous step-down DC-DC converter manufactured by Texas Instruments. It operates within a 3.5V to 36V input voltage range and delivers up to 1A of output current. The device features a fixed 5V output and integrates internal high-side and low-side switches. It supports a switching frequency of 2.1MHz and functions reliably across an extended junction temperature range from -40°C to +150°C. The component is housed in a compact 10-WSON package and meets AEC-Q100 qualification standards for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification with internal power switches
• Automotive qualification compliant with AEC-Q100 standards
• Extended thermal operation capability up to 150°C junction temperature

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'LQ' against the official datasheet to confirm the fixed 5V output configuration, as other suffixes may indicate adjustable outputs or different voltage levels. Ensure the ordering part number matches the required packaging format, such as cut tape or reel, to align with assembly requirements. Confirm that the 10-WSON package dimensions fit the designated PCB footprint.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a stable 5V rail is required for automotive electronics operating within a wide input voltage window. The 1A current capacity suits moderate load applications without requiring external passives for higher currents. Consider the 2.1MHz frequency for balancing efficiency and passive size. Verify compatibility with the system's thermal management strategy given the high maximum junction temperature rating.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM53601-Q1 family of synchronous buck converters designed specifically for automotive environments. The series offers various output configurations, including fixed and adjustable options, to support diverse vehicle electronic architectures. The LM53601 variant provides a balance of performance and integration for critical power distribution tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM53601MQDSXTQ1 (Adjustable Output)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the fixed output voltage of the LM53601LQDSXTQ1?

The LM53601LQDSXTQ1 provides a fixed output voltage of 5V.

Is the LM53601LQDSXTQ1 qualified for automotive use?

Yes, it is AEC-Q100 qualified for automotive applications.