R1210N251A-TR-FE

Voltage Regulators - DC DC Switching Regulators Overview

The R1210N251A-TR-FE is a fixed-output boost switching regulator IC manufactured by Nisshinbo Micro Devices Inc. It provides a stable 2.5 V output voltage with a maximum output current of 400 mA. The device operates within an input voltage range up to 8 V and features a fixed switching frequency of 100 kHz. Designed for surface-mount applications, it utilizes an SOT-23-5 package. The component supports positive voltage regulation and functions reliably across an operating temperature range from -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a step-up DC/DC converter topology for efficient voltage boosting in compact designs.
• Provides a fixed 2.5 V output regulated by internal circuitry without external feedback resistors.
• Operates at a fixed 100 kHz switching frequency to optimize external component size.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring voltage step-up from lower supply rails
• Battery-powered systems needing stable 2.5 V logic or sensor power
• Compact 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 against official Nisshinbo Micro Devices documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the required output voltage and current ratings align with your system design before procurement. Cross-reference the datasheet for thermal performance and switching frequency constraints to avoid compatibility issues with surrounding components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.5 V output is required from an input source higher than typical low-voltage batteries but below 8 V. The 400 mA current capability suits moderate load applications. Consider the SOT-23-5 package for space-limited designs. Ensure the application environment stays within the -40 °C to +85 °C operating range. Verify that the 100 kHz switching frequency does not interfere with sensitive analog circuits in the vicinity.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the R1210N series of boost regulators from Nisshinbo Micro Devices Inc., which focuses on high-efficiency DC/DC conversion solutions. The series is designed for portable and battery-operated equipment where space and power efficiency are critical. The R1210N251A-TR-FE specifically offers a fixed output variant, simplifying design implementation by eliminating the need for external voltage-setting resistors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers for this specific component are not available in the provided reference data. Consult Nisshinbo Micro Devices technical support or authorized distributors for verified equivalents that match the electrical characteristics and pinout configuration.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the fixed output voltage of the R1210N251A-TR-FE?

The R1210N251A-TR-FE provides a fixed output voltage of 2.5 V.

Does the R1210N251A-TR-FE require external resistors for voltage setting?

No, it is a fixed-output regulator and does not require external resistors to set the output voltage.

What is the maximum output current capability of this device?

The device supports a maximum output current of 400 mA.