R1224N312L-TR-FE

Overview

The R1224N312L-TR-FE is a step-down DC-DC controller manufactured by Nisshinbo Micro Devices Inc. It supports an input voltage range of 2.3 V to 18.5 V and operates with PWM or VFM modes at a switching frequency of 180 kHz. The device provides a single output and utilizes a SOT-23-5 package for surface mount installation. It functions within a temperature range of -40°C to +85°C.

Feature Summary

• Supports wide input voltage range up to 18.5 V
• Integrates PWM and VFM control modes
• Designed for buck regulator applications

Applications

• Step-down DC-DC conversion circuits
• Buck regulator designs requiring wide input range
• Power management in electronic systems

Procurement Notes

Verify the manufacturer part number against official Nisshinbo Micro Devices documentation to ensure authenticity. Confirm that the specific suffix matches the required operational parameters. Cross-reference the datasheet specifications with system requirements before procurement to avoid compatibility issues.

Selection Notes

Select this component when a wide input voltage range up to 18.5 V is required for step-down applications. Consider the fixed 180 kHz switching frequency and SOT-23-5 package constraints. Ensure the operating temperature range meets the environmental conditions of the target application.

Part Context

This model belongs to the R1224 series of switching controllers from Nisshinbo Micro Devices. It is designed as a standalone controller for external power switches, differing from integrated power ICs. The series focuses on flexible control modes for efficient power conversion.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.