R1211D101A-TR-FE

Overview

The R1211D101A-TR-FE is a boost DC/DC controller manufactured by Nisshinbo Micro Devices Inc. It operates in voltage mode with a switching frequency of 700 kHz and supports an input voltage range from 2.5 V to 6 V. The device provides one output channel and functions within a temperature range of -40°C to 85°C. It is housed in a SON-6 package.

Feature Summary

• Boost topology for step-up voltage conversion
• Voltage mode control architecture
• High switching frequency operation

Applications

• Battery-powered portable electronics
• General-purpose power supply systems
• Embedded device power management

Procurement Notes

Verify the specific suffix 'TR-FE' against official datasheets to confirm reel packaging and RoHS compliance status. Ensure the operating environment remains within the specified -40°C to 85°C range. Confirm that external components match the controller's requirements for stable boost regulation.

Selection Notes

Select this component when a compact boost solution with high-frequency operation is required. The SON-6 package suits space-constrained designs. Verify that the input voltage stays within the 2.5 V to 6 V window. Consider thermal performance in the final application layout.

Part Context

This part belongs to the R1211D series of DC/DC controllers from Nisshinbo Micro Devices. The series includes various configurations for different topologies and input ranges. This specific model focuses on boost applications with a defined frequency and voltage range.

Replacement Considerations

Check for R1211D101B or other variants in the same series if pinout or electrical parameters differ. Verify compatibility with existing PCB footprints and external component values before substitution.