LM22674MR-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22674MR-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down DC/DC switching regulator featuring a fixed 5V output and a maximum output current of 500mA. It operates with an input voltage range from 4.5V to 42V and utilizes a buck topology. The device integrates a precision enable function, overcurrent protection, and maintains a typical quiescent current of 3.4mA. It functions at a switching frequency of 500kHz within an operating temperature range of -40°C to +125°C. The component is housed in an 8-SO PowerPAD surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a precision enable function for accurate power sequencing control
• Includes built-in overcurrent protection to safeguard against load faults
• Utilizes SIMPLE SWITCHER architecture for simplified external component requirements

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Input voltage step-down for industrial control circuits
• Power supply stages for communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration to ensure compatibility with required thermal management and PCB layout standards. Confirm that the fixed 5V output aligns with target circuit requirements, as adjustable variants exist within the same family. Ensure sourcing channels provide original manufacturer documentation to validate RoHS compliance and automotive qualification status if applicable.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required alongside moderate current demands up to 500mA. Consider the 42V maximum input rating for applications involving higher voltage rails. Evaluate the SO-PowerPAD package for its thermal dissipation capabilities relative to available board space. Compare against adjustable versions if variable output voltages are needed later in the design phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22674 series of SIMPLE SWITCHER regulators, designed for efficient voltage conversion. It shares architectural similarities with other members like the LM22671 and LM22676 but differs in output configuration and current capacity. The series emphasizes compact design and ease of implementation for general-purpose power management tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22674MRX-5.0/NOPB offers identical electrical specifications in a tape-and-reel package format suitable for automated assembly processes.