LMR14030QDPRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14030QDPRRQ1 is an automotive-grade SIMPLE SWITCHER® step-down voltage regulator manufactured by Texas Instruments. It integrates a high-side MOSFET to deliver a maximum output current of 3.5 A. The device supports a wide input voltage range from 4 V to 40 V and provides an adjustable output voltage between 800 mV and 28 V. It operates with a fixed switching frequency of 2.2 MHz, though the broader family supports 200 kHz to 2.5 MHz. The component features low quiescent current of 40 µA in sleep mode and meets AEC-Q100 qualification standards for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side MOSFET within a compact WSON-10 package to minimize external component count.
• Features internal loop compensation to simplify design and reduce user configuration requirements.
• Supports wide input voltage ranges suitable for regulating unregulated power supplies in automotive environments.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the suffix 'RRQ1' corresponds to the specific reel packaging and automotive grade designation required for your assembly line. Confirm the WSON-10 footprint matches your PCB layout guidelines. Ensure the AEC-Q100 qualification aligns with your vehicle's reliability standards before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring up to 3.5 A output current from a 40 V input source. The integrated high-side switch and internal compensation reduce bill of materials complexity. Consider the 2.2 MHz fixed frequency for optimizing passive component size while maintaining efficiency in space-constrained automotive modules.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR140x0 SIMPLE SWITCHER family, which includes variants with 2 A (LMR14020) and 5 A (LMR14050) capabilities. All members share similar architectural features, including wide input voltage ranges and low standby currents, designed for industrial and automotive power regulation tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional substitutes within the same family include LMR14020QDPRRQ1 for lower current needs or LMR14050QDPRRQ1 for higher current demands. Verify pin compatibility and thermal performance when swapping between these variants.