R1232D001D-TR-FE

Voltage Regulators - DC DC Switching Regulators Overview

The R1232D001D-TR-FE is a synchronous step-down DC/DC converter manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 2.6V to 5.5V and provides an adjustable output voltage from 800mV to 5.5V. The device integrates a power switch capable of delivering up to 1.4A of output current. It functions at a fixed switching frequency of 2.25MHz, enabling the use of small external components. The controller is housed in an 8-pin SON package (2.8x2.9mm) and supports surface mount technology.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Built-in power MOSFETs eliminate need for external switches
• Fixed high-frequency operation reduces passive component size
• Adjustable output voltage via external resistor divider

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring stable low-voltage rails
• Consumer electronics with space-constrained PCB layouts

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes such as -TR-FE to ensure correct packaging and tape-and-reel configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Check for any regional distribution restrictions or obsolescence notices directly from Nisshinbo Micro Devices to avoid supply chain disruptions during production.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, efficient buck converter is required for inputs between 2.6V and 5.5V. The 2.25MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Ensure the load current does not exceed 1.4A and that the thermal performance of the SON-8 package suits the application environment. Verify output voltage adjustability requirements match the external resistor network design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the R1232D series of synchronous step-down converters from Nisshinbo Micro Devices. The series is designed for applications demanding high efficiency and small footprint. The specific model indicates a standard version with fixed switching frequency and adjustable output, distinct from variants with fixed outputs or different packaging options within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

No public confirmed substitute part numbers are available in the provided source data. Cross-reference with other 2.25MHz synchronous buck converters only if electrical parameters and pinout compatibility are verified against official datasheets.