LMR33620ARNXT

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33620ARNXT is a synchronous step-down voltage converter from the SIMPLE SWITCHER family, manufactured by 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 between 1 V and 24 V. It utilizes a 12-pin VQFN-HR package and functions within a temperature range of -40°C to +125°C. Key electrical specifications include a quiescent current of 25 µA and integrated shutdown capability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck topology for efficient power conversion
• Ultra-low quiescent current for enhanced standby efficiency
• Wide input voltage range supporting various supply rails
• Compact surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated DC-DC conversion
• Embedded computing platforms needing stable low-voltage power rails
• Automotive electronics compliant with wide input voltage standards
• Portable equipment utilizing battery sources with varying discharge levels

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure correct suffix alignment. Confirm package type and thermal characteristics match design requirements. Check for moisture sensitivity level compliance during storage and handling. Validate RoHS status and environmental certifications prior to integration into final assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a fixed 400 kHz switching frequency is required for EMI management. Select based on the need for high efficiency at light loads due to low quiescent current. Ensure the 2 A output capability meets peak load demands. Consider the VQFN-HR package for thermal performance and board space optimization in dense layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMR33620 series of synchronous buck converters. It shares core architecture with variants like LMR33620CRNXT but differs in switching frequency specifications. The ARNXT suffix denotes specific tape and reel packaging configurations. It serves as a solution for applications demanding robust performance across industrial and automotive temperature ranges.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR33620ARNXR is the reel variant of the same functional device. Cross-reference with LMR33620BRNXT if ultra-low EMI performance is prioritized over the standard 400 kHz frequency. Verify pinout compatibility before substituting with other members of the LMR33620 family.