LMR33620ARNXR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33620ARNXR is a SIMPLE SWITCHER synchronous step-down voltage converter from Texas Instruments. It operates with an input voltage range of 3.8 V to 36 V and delivers up to 2 A of output current. The device features a fixed switching frequency of 400 kHz and supports adjustable output voltages from 1 V to 24 V. It utilizes current-mode control with pulse width modulation. The component is housed in a 12-VQFN-HR package, rated for operation between -40°C and +125°C, and includes ultra-low EMI capabilities.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Ultra-low electromagnetic interference performance
• Synchronous buck topology for high efficiency
• Adjustable output voltage capability
• Current-mode control architecture

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Embedded system power distribution
• Communication equipment bias supplies
• General-purpose DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ARNXR' against the manufacturer's official datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 36 V is required alongside moderate current demands. The 400 kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the application environment remains within the specified operating temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR33620 family of synchronous buck converters. It shares core architectural similarities with other members like the LMR33620BRNXT but may differ in packaging or specific electrical characteristics defined by the ordering suffix.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LMR33620BRNXT and LMR33620ARNXT. Verify pinout compatibility and ensure the replacement matches the required output voltage configuration and package dimensions.