LMR14050QDPRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14050QDPRRQ1 is an automotive-grade SIMPLE SWITCHER step-down regulator from Texas Instruments. It features a wide input voltage range of 4V to 40V and delivers up to 5A output current. The device integrates a high-side MOSFET and supports adjustable switching frequencies between 200kHz and 2.5MHz. It offers an output voltage range of 800mV to 28V with a typical quiescent current of 40µA in sleep mode. The component is qualified to AEC-Q100 standards, operates within a junction temperature range of -40°C to +125°C, and utilizes a WSON-10 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side MOSFET for compact design
• Features internal loop compensation to minimize external components
• Supports frequency synchronization for noise management

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Body control modules
• Telematics units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'RRQ1' against the manufacturer's official documentation to confirm the exact reel quantity and tape-and-reel specifications. Ensure the part number matches the required AEC-Q100 qualification level for your target application. Cross-reference the datasheet revision date to confirm compatibility with your design requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 40V input range and 5A continuous output current are required for automotive applications. Consider the WSON-10 package for space-constrained designs. Evaluate the need for frequency synchronization if multiple converters operate in close proximity. Verify that the thermal performance of the PCB layout meets the operating temperature requirements under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR140x0 family of SIMPLE SWITCHER regulators, which includes variants with different current ratings such as the LMR14020 and LMR14030. The family shares common architectural features like integrated high-side MOSFETs and internal compensation. The LMR14050 variant specifically targets higher power applications within the same 40V input envelope, offering scalability across the product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14050SQDDARQ1