LM53600MQDSXTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM53600MQDSXTQ1 is an automotive-grade synchronous buck converter from Texas Instruments. It operates with an input voltage range of 3.5V to 36V and delivers a maximum output current of 650mA. The device integrates a 2.1MHz fixed switching frequency, enabling the use of small external inductors and capacitors. It features a low quiescent current of 23uA and supports operation up to a junction temperature of 150°C. Packaged in a compact 10-WSON (3x3mm) footprint, it is AEC-Q100 qualified for robust automotive reliability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed 2.1MHz switching frequency minimizes passive component size
• Low quiescent current reduces standby power consumption
• Extended thermal capability supports high-temperature environments

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules
• Sensor node power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'M' against the official datasheet to confirm package variant and tape-and-reel specifications. Ensure the order quantity matches the manufacturer's standard packaging requirements. Confirm that the intended application environment aligns with the specified -40°C to 150°C operating temperature range and AEC-Q100 qualification standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for 12V or 24V automotive bus systems. The 650mA limit suits low-power logic or sensor rails. Consider the fixed 2.1MHz frequency for EMI management. Compare against the LM53601 series if higher output current is needed, or the LM53603 series for applications requiring up to 3A output capacity.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5360x-Q1 family of ultra-compact synchronous step-down converters designed specifically for automotive applications. The family shares common architectural features such as high-voltage input tolerance and integrated power switches. Variants within the series differ primarily in output current ratings and fixed output voltage options, allowing designers to scale performance while maintaining a consistent interface and footprint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM53600AQDSXTQ1: Offers adjustable output voltage instead of fixed. LM53601MQDSXTQ1: Provides increased 1A output current capability. LM536033QPWPTQ1: Delivers 3A output but utilizes a larger HTSSOP-16 package.