LM3000ASQ/NOPB

DC DC Switching Controllers Overview

The LM3000ASQ/NOPB is a synchronous buck DC-DC switching controller manufactured by Texas Instruments. It operates within an input voltage range of 4.5 V to 60 V and supports output voltages from 0.8 V to 32 V. The device integrates current limit, enable, frequency control, power good, soft start, and tracking features. It functions at switching frequencies up to 1 MHz and maintains operation across a junction temperature range of -40°C to 125°C.

DC DC Switching Controllers Feature Summary

• Integrates synchronous rectification for improved efficiency
• Supports clock synchronization for multi-phase applications
• Includes comprehensive protection and control features such as soft start and tracking

DC DC Switching Controllers Applications

• Industrial power supplies
• Telecommunications equipment
• Point-of-load regulation

DC DC Switching Controllers Procurement Notes

Verify the component status carefully as sources indicate it may be obsolete or not recommended for new designs. Confirm availability through authorized distributors only. Ensure the ordering suffix matches the required package and temperature grade. Check for recent production change notifications regarding material composition. Validate that the specific batch meets automotive or industrial quality standards if required by the application.

DC DC Switching Controllers Selection Notes

Select this controller when a wide input voltage range up to 60 V is required for buck conversion. Consider its integrated synchronous design for high-efficiency applications. Evaluate the need for external components based on the desired switching frequency and output configuration. Ensure the thermal management solution supports the specified junction temperature range. Compare against newer alternatives if long-term supply stability is a primary concern.

DC DC Switching Controllers Part Context

This part belongs to the LM3000 family of DC-DC switching controllers. It is designed for high-voltage step-down applications requiring robust control features. The device is typically housed in a WQFN package suitable for surface mount assembly. It serves as a power management solution for systems needing reliable voltage regulation under varying load conditions.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts and control loops before considering alternative devices.