LMR14030SSQDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14030SSQDDARQ1 is an automotive-grade SIMPLE SWITCHER step-down converter from Texas Instruments. It supports a 4 V to 40 V input range and delivers up to 3.5 A output current. The device features adjustable output voltage from 800 mV to 28 V, with a quiescent current of 40 uA. Switching frequency ranges from 200 kHz to 2.5 MHz. It operates between -40°C and +125°C, holds AEC-Q100 qualification, and uses an 8-SO-PowerPAD package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive reliability certified under AEC-Q100 standards for temperature grade 1.
• Integrated high-side MOSFET enables compact design without external power switches.
• Internal loop compensation simplifies application design and reduces component count.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive battery regulation systems
• Industrial point-of-load power supplies
• Telecommunications data communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix SSQDDARQ1 against the manufacturer datasheet to confirm package type and tape-and-reel specifications. Ensure the order matches the exact automotive qualification level required for your target environment. Cross-reference the ordering number with official TI documentation to avoid substitution errors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 40 V input range and 3.5 A continuous load are required in an automotive setting. Compare against LMR14020 or LMR14050 variants if current requirements differ. Consider the SO-PowerPAD thermal performance for high-power density applications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR140xx-Q1 family of buck converters. It shares pinout compatibility with other members like the LMR14020-Q1 and LMR14050-Q1, allowing for scalable designs within the same product line while maintaining consistent footprint requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14030SQDDARQ1 serves as a direct functional substitute within the same series. Verify that the alternative variant meets identical automotive qualification and thermal dissipation requirements for the specific application.