LM22670MRE-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22670MRE-5.0/NOPB is a Texas Instruments SIMPLE SWITCHER step-down voltage regulator featuring an integrated 3A power switch. It operates from a 4.5V to 42V input range and provides a fixed 5V output. The device utilizes a buck topology with a typical switching frequency of 500kHz, which can be synchronized to an external clock. Packaged in an 8-SO PowerPAD for efficient thermal management, it supports operation from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-current 3A power switch within a compact package
• Supports synchronization to an external clock signal for noise control
• Includes built-in thermal shutdown and adjustable current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial systems
• Distributed power architectures requiring wide input ranges
• Battery-powered equipment with high efficiency needs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout compatibility and electrical characteristics. Ensure the ordering part number matches the required package type and temperature rating. Cross-reference manufacturer documentation to validate RoHS compliance status and any recent design changes or lifecycle notices before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output at up to 3A is required from a wide input voltage range. The integrated switch simplifies bill of materials compared to discrete solutions. Consider the SO-PowerPAD package for applications where thermal dissipation is critical and board space is limited. Verify that the 500kHz frequency aligns with electromagnetic interference requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SIMPLE SWITCHER family of regulators, designed to reduce design time through integrated power switches and minimal external component counts. The LM22670 variant specifically targets higher current applications than the LM22671, offering robust performance in compact form factors for demanding power conversion tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22670MRE-5.0/NOPB serves as a direct replacement for LM22670MRE-5.0. For lower current needs, consider the LM22671 series. Higher current requirements may necessitate the LM22673 series.