LM22671MRX-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22671MRX-5.0/NOPB is a fixed-output buck switching regulator from Texas Instruments' SIMPLE SWITCHER family, housed in an SO-PowerPAD-8 package. It provides a fixed 5 V output with a maximum continuous current of 500 mA. The device operates from an input voltage range of 4.5 V to 42 V and supports a switch frequency of 500 kHz. It features a quiescent current of 3.4 mA and functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side power switch for efficient step-down conversion
• Fixed 5 V output configuration eliminates external resistor networks
• Built-in thermal shutdown and cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Input voltage conditioning for microcontrollers and FPGAs
• Battery-powered equipment requiring stable 5 V rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm the fixed 5 V output variant. Ensure the ordering code matches the reel packaging format indicated by the 'X' suffix. Cross-reference the RoHS compliance status directly with the component documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V rail is required from a wide input voltage range up to 42 V. The 500 mA output capability suits low-power digital logic applications. Consider the SO-PowerPAD-8 package for thermal management requirements in compact designs without needing external heat sinks.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM22671 series of SIMPLE SWITCHER regulators, designed for high-efficiency DC/DC conversion. It serves as a drop-in replacement for older linear regulators in 5 V systems, offering improved efficiency and reduced heat dissipation compared to traditional LDOs in similar voltage conversion scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22671MR-5.0/NOPB (Tube Packaging)

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by this regulator?

The LM22671MRX-5.0/NOPB supports a maximum input voltage of 42 V.

Does this component include protection features?

Yes, it includes thermal shutdown and cycle-by-cycle current limiting to protect the device under fault conditions.