LM76003QRNPRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LM76003QRNPRQ1 is an automotive-qualified synchronous step-down voltage converter from Texas Instruments. It operates with an input voltage range of 3.5 V to 60 V and delivers up to 3.5 A of output current. The device features a wide switching frequency range from 300 kHz to 2.2 MHz and supports adjustable output voltages between 1 V and 57 V. It includes a shutdown function, low quiescent current of 15 uA, and is housed in a 30-WQFN package. The component is rated for operating temperatures from -40°C to +150°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Wide input voltage capability supporting high-voltage systems
• Adjustable switching frequency for optimized efficiency and size
• Integrated synchronous rectification for improved performance

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Instrument clusters and body control modules
• High-voltage battery-powered subsystems
• Industrial power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'R' indicates tape and reel packaging configuration. Confirm the 'Q1' designation aligns with required automotive qualification standards for your application. Ensure the WQFN-30 package thermal requirements are met by your PCB design. Check for any recent PCN updates regarding manufacturing site or material changes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high input voltage tolerance and automotive certification are mandatory. Compare against LM76002 variants if lower current requirements allow for cost reduction. Consider the wider temperature range compared to standard industrial parts. Evaluate the fixed-frequency options if EMI constraints require precise switching noise profiles.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM7600x family of SIMPLE SWITCHER converters. It shares architectural similarities with the LM76002 but offers higher current capacity. The family targets applications requiring robust power conversion in electric vehicle and industrial environments. It complements other TI automotive PMIC solutions for complete system power management.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM76003RNPT is a non-automotive equivalent with similar electrical characteristics. LM76003QRNPTQ1 is the leaded version of the same automotive-qualified device. Verify pinout compatibility and thermal performance differences before substitution.