LMR14030SQDPRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14030SQDPRRQ1 is an automotive-grade SIMPLE SWITCHER step-down converter featuring a 40V input range and 3.5A output current capability. It operates with a quiescent current of 40µA in sleep mode and supports switch frequencies from 200kHz to 2.5MHz. The device provides adjustable output voltages between 800mV and 28V, housed in a WSON-10 package. It meets AEC-Q100 standards for operation across temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side MOSFET simplifies design by minimizing external component count.
• Internal loop compensation eliminates complex stability calculations for users.
• Wide adjustable switching frequency allows optimization for efficiency or size.
• Low shutdown current extends battery life in power-sensitive applications.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Industrial power regulation
• Battery-powered system management

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 qualification status if automotive reliability is required. Check datasheet specifications against application voltage and current demands before ordering.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a 3.5A buck converter with wide input voltage range is needed. Consider the WSON-10 package for space-constrained designs. Evaluate thermal performance at maximum load conditions within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LMR140x0 family of SIMPLE SWITCHER regulators. It shares architectural similarities with the LMR14020 and LMR14050 variants, differing primarily in output current ratings. The series targets robust power management solutions for demanding environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14030SQDDAQ1 and LMR14030SQDDARQ1 are functionally equivalent alternatives within the same product line offering similar electrical characteristics and automotive qualifications.