R1225N332J-TR-FE

Overview

The R1225N332J-TR-FE is a step-down DC-DC controller IC from 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 SOT-23-Wide-6 package and belongs to the R1225N series, designed for compact power management applications requiring regulated output voltages.

Feature Summary

• Supports PWM and VFM switching control modes
• Handles input voltages up to 18.5V
• Designed for step-down DC-DC conversion

Applications

• Portable electronic devices
• Battery-powered equipment
• General-purpose power supply circuits

Procurement Notes

Verify the specific suffix J against the official datasheet to confirm output voltage settings and pinout compatibility. Ensure the SOT-23-Wide-6 footprint matches the target PCB design. Confirm RoHS compliance status through the manufacturer's documentation before finalizing procurement orders.

Selection Notes

Select this component when an 18.5V input limit is required with integrated switching control. Compare against other R1225N variants for different fixed output voltages. Consider the SOT-23-Wide-6 package constraints for thermal management and board space availability in the final assembly.

Part Context

This part belongs to the R1225N series of switching controllers by Nisshinbo Micro Devices. The series focuses on low-power step-down applications. The R1225N332J variant specifically defines the output voltage characteristics within this family, distinguishing it from other suffixes like C or K.

Replacement Considerations

Check Nisshinbo datasheets for direct R1225N series substitutes with matching output voltages. Verify functional equivalence with other buck controllers offering similar 18.5V input limits and SOT-23-6W packages.