LM22673MRX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22673MRX-5.0/NOPB is a step-down switching regulator from Texas Instruments featuring an integrated power switch. It provides a fixed 5.0V output voltage with a maximum input voltage range up to 42V. The device supports output currents up to 3A and operates with a typical switching frequency of 500kHz. It incorporates current mode control for fast transient response and includes comprehensive protection features such as adjustable soft-start, cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side N-channel MOSFET power switch
• Current mode control architecture for stability and transient response
• Built-in protection mechanisms including thermal shutdown and current limit

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial systems
• Distributed power architectures
• Battery-powered equipment requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number against official Texas Instruments documentation to ensure compatibility with specific design requirements. Confirm that the NOPB suffix indicates lead-free and RoHS-compliant manufacturing standards. Cross-reference pin configurations and thermal pad specifications with the latest datasheet to prevent integration errors during PCB layout and assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from higher input voltages within the 42V limit. Consider the 3A current capability and 500kHz switching frequency for balancing efficiency and passive component size. Ensure the application environment stays within the specified operating temperature range and that adequate heat dissipation is provided for the SOT-23-8 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2267x series of simple switcher regulators designed for ease of use and compact implementation. The series offers various fixed output voltage options and current ratings to suit different power needs. The MRX package denotes a small-outline transistor variant optimized for space-constrained applications while maintaining robust electrical performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family or newer generations. Verify pin-to-pin compatibility and electrical parameter equivalence before replacing existing components in established designs.