LMR33630APCQRNXRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33630APCQRNXRQ1 is an automotive-qualified synchronous step-down DC/DC converter from Texas Instruments. It operates with an input voltage range of 3.8 V to 36 V and delivers a maximum output current of 3 A. The device supports adjustable output voltages from 1 V to 24 V. Key electrical specifications include a typical quiescent current of 25 uA and a fixed switching frequency of 2.1 MHz. It is housed in a VQFN-HR-12 package and functions within a junction temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments.
• High-frequency operation at 2.1 MHz enables the use of compact external components for space-constrained designs.
• Integrated high-side and low-side power MOSFETs provide efficient synchronous rectification without requiring external drivers.

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Instrument clusters
• Body electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'PC' against the manufacturer datasheet to confirm pinout and thermal pad configuration, as variations exist within the family. Ensure the component meets the required AEC-Q100 grade for your target application. Cross-reference the ordering part number with official distributor catalogs to avoid confusion with similar models like the LMR33630AQRNXRQ1.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive applications requiring a wide input voltage range up to 36 V. The 2.1 MHz switching frequency is suitable for minimizing passive component size compared to lower-frequency alternatives. Ensure the PCB layout accommodates the VQFN-HR-12 package dimensions and thermal requirements for reliable operation at high junction temperatures.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SIMPLE SWITCHER LMR33630 series, designed for high-efficiency power conversion. It integrates power switches and control circuitry into a single compact package. The series targets automotive markets, offering solutions that balance performance, size, and reliability for critical vehicle subsystems.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR33630AQRNXRQ1: Verify if the 'A' variant meets the same thermal or pinout requirements as the 'PC' variant before substitution.