LMR14030HSSQDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR14030HSSQDDARQ1 is an automotive-grade SIMPLE SWITCHER step-down converter from Texas Instruments. It integrates a high-side MOSFET to deliver a continuous output current of 3.5 A. The device supports a wide input voltage range from 4 V to 40 V and features an adjustable output voltage between 800 mV and 28 V. It operates with a fixed switching frequency of 2.2 MHz and maintains a quiescent current of 40 uA. The component is qualified to AEC-Q100 standards and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side MOSFET for compact power stage design
• Automotive qualification compliant with AEC-Q100 standards
• Fixed 2.2 MHz switching frequency enables small external component size
• Low quiescent current of 40 uA optimizes standby power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body control modules
• Instrument clusters

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'HSSQ' against the manufacturer's official ordering guide, as it denotes the package type and tape/reel configuration. Confirm that the required automotive grade and operating temperature range align with your system specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring robust voltage regulation under wide input variations. The fixed 2.2 MHz frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Ensure thermal management strategies account for the 3.5 A output capability in the chosen SOIC-8 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR14030-Q1 family of SIMPLE SWITCHER regulators. These devices are engineered for high-efficiency DC/DC conversion in space-constrained applications. The family emphasizes ease of design implementation through integrated protection features and minimal external component requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR14030SQDPRRQ1

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The LMR14030HSSQDDARQ1 supports a maximum input voltage of 40 V.

Is this component suitable for harsh automotive environments?

Yes, it is AEC-Q100 qualified and rated for a junction temperature range of -40°C to +125°C.