LMR23630AQDDAQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR23630AQDDAQ1 is an automotive-qualified synchronous step-down DC/DC converter from Texas Instruments. It operates with an input voltage range of 4V to 36V and delivers up to 3A of output current. The device features a fixed switching frequency of 400kHz and supports adjustable output voltages between 1V and 28V. It includes integrated power MOSFETs, a low quiescent current of 75µA, and thermal shutdown protection. The component is housed in an 8-SOPWRPAD package and is rated for operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Integrated synchronous rectification with internal high-side and low-side power MOSFETs for efficient power conversion.
• Fixed 400kHz switching frequency enables the use of compact external components while maintaining stable regulation.

Voltage Regulators - DC DC Switching Regulators Applications

• On-board charging (OBC) systems in electric vehicles
• Body electronics and lighting control modules
• Infotainment system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix AQDDARQ1 matches the required tape-and-reel packaging configuration for automated assembly lines. Confirm that the AEC-Q100 grade aligns with the target automotive application's reliability requirements. Ensure the SOPWRPAD thermal pad soldering process meets the manufacturer's recommended reflow profile specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring robust automotive-grade performance with a wide input voltage capability. The 3A current rating suits moderate-power loads, while the 400kHz frequency balances efficiency and component size. Consider the 8-pin package constraints for PCB layout density compared to larger packages offering higher thermal dissipation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family, designed to simplify power supply design through integrated controllers and MOSFETs. The LMR23630 series specifically targets industrial and automotive markets, offering a balance of high efficiency and compact footprint. The AQ prefix denotes automotive qualification, distinguishing it from standard commercial variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR23630ADDAG4: Commercial grade version with similar electrical characteristics but lacking automotive qualification.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LMR23630AQDDAQ1?

The device supports a maximum input voltage of 36V.

Does the LMR23630AQDDAQ1 include overcurrent protection?

Yes, the device integrates cycle-by-cycle current limiting and thermal shutdown protection.