LM22670MRX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22670MRX-ADJ/NOPB is a SIMPLE SWITCHER step-down voltage regulator from Texas Instruments, designed for high-efficiency power conversion. It supports an input voltage range of 4.5 V to 42 V and delivers up to 3 A of output current. The device features a fixed switching frequency of 500 kHz and offers adjustable output voltage capabilities. Packaged in an SO-PowerPAD-8 surface-mount format, it operates within a temperature range of -40°C to +125°C. Key electrical parameters include a quiescent current of 3.4 mA and load regulation of 90%. This component integrates protection features suitable for robust industrial applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced efficiency in buck topology
• Built-in soft-start mechanism limits inrush current during startup
• Comprehensive protection including thermal shutdown and current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial process control systems
• Distributed power supply architectures
• Battery-powered equipment requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required pinout and thermal characteristics. Confirm that the SO-PowerPAD-8 package matches the PCB footprint design guidelines provided in the official documentation. Cross-reference the operating temperature range with the intended application environment to guarantee reliability under extreme conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a wide input voltage range up to 42 V is required alongside high continuous output current. The fixed 500 kHz frequency allows for smaller external passive components compared to lower-frequency alternatives. Ensure the thermal performance of the SO-PowerPAD-8 package meets the heat dissipation requirements of the specific layout. Consider the adjustable output feature if precise voltage tailoring is necessary for the load.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the SIMPLE SWITCHER family of integrated power modules, which combine controllers, switches, and freewheeling diodes into a single package. The LM22670 series provides a compact solution for designing efficient DC-DC converters without requiring complex external circuitry. It serves as a drop-in replacement for older discrete solutions, simplifying board space constraints while maintaining high performance standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22670MX-ADJ/NOPB