LM25085MYE/NOPB

DC DC Switching Controllers Overview

The LM25085MYE/NOPB is a non-synchronous PFET buck switching controller from Texas Instruments. It operates with an input voltage range of 4.5 V to 42 V and supports output voltages from 1.25 V to 42 V. The device features a fixed 1 MHz switching frequency and delivers up to 1.75 A of output current. It utilizes a constant on-time control architecture with a maximum duty cycle of 100%. The component functions within a temperature range of -40°C to +125°C and is housed in an 8-pin MSOP PowerPad package.

DC DC Switching Controllers Feature Summary

• Employs constant on-time control architecture for simplified external component selection and stable operation across wide input voltage ranges.
• Supports 100% maximum duty cycle, enabling direct regulation of low output voltages without requiring additional bootstrap circuitry.
• Integrates comprehensive protection mechanisms including thermal shutdown and cycle-by-cycle current limiting to ensure robust system reliability.

DC DC Switching Controllers Applications

• Industrial point-of-load conversion systems
• Automotive electronics power distribution networks
• Telecommunications infrastructure power supplies

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'MYE' against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the selected package variant matches the intended PCB footprint requirements. Cross-reference the RoHS status and lead-free designation with current regulatory documentation before finalizing procurement orders.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring high input voltage tolerance up to 42 V with minimal external components. The fixed 1 MHz frequency allows for compact passive component sizing compared to lower-frequency alternatives. Consider the non-synchronous PFET topology when designing for cost-sensitive applications where efficiency requirements are moderate.

DC DC Switching Controllers Part Context

This component belongs to the LM25085 family of wide-input voltage buck controllers. It shares architectural similarities with the LM5085 series but is optimized for lower input voltage applications up to 42 V. The MYE package variant provides enhanced thermal performance through an exposed power pad design suitable for surface-mount assembly processes.

DC DC Switching Controllers Replacement Considerations

LM25085MY/NOPB