R1224N102M-TR-FE

Overview

The R1224N102M-TR-FE is a Buck DC/DC controller manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 2.3 V to 18.5 V and delivers an adjustable output voltage from 1 V to 18.5 V. The device features a fixed switching frequency of 180 kHz and supports a maximum duty cycle of 100%. It consumes a typical quiescent current of 20 uA. The component is housed in an SOT-23-5 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports PWM step-down conversion topology for non-isolated power management
• Enables high efficiency through 100% maximum duty cycle capability
• Maintains low power consumption with ultra-low operating supply current

Applications

• Battery-powered portable electronic devices requiring efficient voltage regulation
• Embedded systems utilizing single-cell or multi-cell battery inputs
• General-purpose DC/DC conversion in compact consumer electronics

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm electrical characteristics, as variations may exist within the product family. Ensure compatibility with required thermal and electrical specifications before integration. Cross-reference datasheet revisions to validate performance parameters and compliance standards for the intended application environment.

Selection Notes

Select this controller when an adjustable output voltage is required within a wide input range up to 18.5 V. The 180 kHz switching frequency offers a balance between component size and efficiency. Consider the SOT-23-5 package for space-constrained designs. Verify that the external component selection supports the desired load current and output ripple specifications defined in the technical data.

Part Context

This component belongs to the R1224N series of switching controllers designed for step-down applications. It is part of Nisshinbo's portfolio of power management integrated circuits focused on low-power and high-efficiency solutions. The series utilizes standard buck topology to provide reliable voltage regulation for various embedded and portable system architectures.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's official documentation for recommended alternatives or pin-compatible upgrades if direct replacement is required.