R1225N252K-TR-FE

Overview

The R1225N252K-TR-FE is a step-down DC/DC controller manufactured by Nisshinbo Micro Devices. It supports an input voltage range up to 18.5V and utilizes PWM/VFM switching modes for efficient power conversion. The device is housed in a compact SOT-23-Wide-6 package, suitable for surface mount applications. Operating temperatures are specified from -40°C to +85°C. This component belongs to the R1225N series of switching controllers designed for PMIC applications.

Feature Summary

• Supports high input voltage up to 18.5V
• Integrates PWM and VFM switching control modes
• Designed as a step-down DC/DC controller

Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing step-down voltage regulation
• General purpose DC/DC conversion circuits

Procurement Notes

Verify the specific suffix 'K' against official datasheets to confirm output voltage settings and tolerance. Ensure compatibility with the required SOT-23-Wide-6 footprint during PCB layout. Confirm RoHS compliance status through manufacturer documentation prior to integration into final products.

Selection Notes

Select this controller when an input voltage up to 18.5V is required for step-down applications. Consider the SOT-23-Wide-6 package constraints for space-limited designs. Evaluate thermal performance within the -40°C to +85°C operating range to ensure reliability under expected load conditions.

Part Context

This part is part of the R1225N series from Nisshinbo Micro Devices, categorized under Switching Controllers. It serves as a core component in Power Management ICs (PMIC) families, specifically targeting efficient voltage regulation in portable and industrial electronics.

Replacement Considerations

Consult official substitution lists for compatible parts within the R1225N series. Verify pinout and electrical parameter equivalence before replacing.