LM53600LQDSXTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM53600LQDSXTQ1 is an automotive-grade synchronous buck converter from Texas Instruments, designed for high-temperature environments. It operates with an input voltage range of 3.5 V to 36 V and delivers a fixed output of 5 V at up to 650 mA. The device features a low quiescent current of 23 uA and a switching frequency of 2.1 MHz. It is qualified under AEC-Q100 standards and housed in a compact 10-WSON package, supporting junction temperatures from -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability
• Synchronous rectification topology for improved efficiency
• High thermal performance supporting operation up to 150°C junction temperature
• Compact WSON-10 package design for space-constrained applications

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules
• Sensor power supply interfaces

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm AEC-Q100 certification requirements match specific vehicle standards. Check datasheet revisions for any updates to electrical characteristics or recommended operating conditions before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required within the 3.5V to 36V input range. The 650mA output current suits moderate load applications. Consider the 2.1MHz switching frequency for balancing EMI and passive component size. Ensure the application environment supports the specified -40°C to +150°C operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM53600-Q1 family of synchronous step-down converters. It shares architectural similarities with other members like the LM53601 and LM53603 but differs in output current capabilities and fixed voltage options. The family targets automotive PMIC applications requiring robust performance in harsh electrical and thermal conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM53600AQDSXTQ1: Adjustable output variant within the same series.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the output voltage adjustable?

No, the LM53600LQDSXTQ1 provides a fixed 5V output. Adjustable versions are available in the same family, such as the LM53600AQDSXTQ1.

What is the maximum junction temperature?

The device is rated for a maximum junction temperature of +150°C, suitable for demanding automotive under-hood environments.