LM60430AQRPKRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM60430AQRPKRQ1 is an automotive-grade synchronous step-down converter from Texas Instruments. It operates with an input voltage range of 3.8 V to 36 V and delivers up to 3 A of output current. The device integrates high-side and low-side MOSFETs within a compact WQFN-9 package. It supports adjustable switching frequencies between 200 kHz and 2.2 MHz, enabling optimization for efficiency or solution size. The component meets AEC-Q100 standards with a temperature grade of 1, supporting operation from -40°C to +150°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side power switches for compact design
• Optimized for ultra-low electromagnetic interference (EMI)
• Adjustable switching frequency to avoid noise-sensitive bands
• Automotive qualification compliant with AEC-Q100 standards

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Instrument clusters and body control modules
• Telematics units
• ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'A' indicates the required automotive reliability grade and temperature rating. Confirm the 'RPKR' package designation matches the target PCB footprint requirements. Ensure the Q1 suffix aligns with automotive supply chain specifications. Cross-reference the manufacturer datasheet for any recent lifecycle status changes or recommended replacement parts before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring wide input voltage tolerance and high current density in a small form factor. The adjustable frequency feature allows designers to optimize for EMI compliance or transient response speed. Consider the thermal performance of the WQFN-9 package relative to the expected load profile and ambient operating conditions to ensure reliable long-term operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM604x0 family of ultra-small synchronous buck converters designed specifically for automotive applications. It shares architectural similarities with other members like the LM60440 and LM60460 but offers a 3 A current capability. The family focuses on minimizing external component count while maintaining robust performance under harsh automotive electrical conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the LM604x0 series, such as the LM60440 or LM60460, if higher current capacity is needed. Verify that any substitute maintains the same WQFN-9 package and automotive qualification level.