LM53601AQDSXTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM53601AQDSXTQ1 is a Texas Instruments automotive-grade synchronous step-down DC-DC converter. It operates with an input voltage range of 3.8V to 36V and delivers up to 1A output current. The device features a fixed 2.1MHz switching frequency and supports adjustable output voltages from 3.3V to 6V. It utilizes a 10-WFDFN (3x3mm) package with exposed pad for thermal management. Qualified under AEC-Q100 standards, it ensures reliable performance across a junction temperature range of -40°C to 150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology with integrated high-side and low-side MOSFETs for efficient power conversion.
• Automotive qualification compliant with AEC-Q100 standards for robust reliability in vehicle environments.
• Wide input voltage capability supporting direct connection to 12V and 24V automotive battery systems.
• Compact 10-WSON package design facilitating space-constrained printed circuit board layouts.

Voltage Regulators - DC DC Switching Regulators Applications

• On-board infotainment system power distribution
• Telematics control unit voltage regulation
• Advanced driver assistance system (ADAS) sensor powering
• Body control module auxiliary power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as AQDSXTQ1 to ensure correct automotive grade and packaging configuration. Confirm that the specific ordering code matches the required tape-and-reel quantity or cut-tape availability. Cross-reference the manufacturer datasheet revision history to validate component specifications against current production status before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high efficiency within a small footprint for automotive applications. Ensure the input voltage never exceeds the 36V maximum rating during transient conditions. Verify that the load current requirements remain within the 1A continuous limit. Consider thermal dissipation requirements based on the PCB copper area connected to the exposed pad for adequate heat sinking.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5360x-Q1 family of synchronous step-down converters designed specifically for automotive electronics. It shares architectural similarities with other members like the LM53600 and LM53602 but differs in output current capabilities and fixed versus adjustable output configurations. The family targets high-volume automotive manufacturing needs with standardized pinouts and thermal characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM53601NQDSXTQ1 offers a fixed 3.3V output option within the same series. LM53600AQDSXTQ1 provides a lower 650mA current capacity variant. LM53602AQDSXTQ1 supports higher current demands up to 2A. Verify pin compatibility and thermal performance when substituting these related models.