R1210N221A-TR-FE

Voltage Regulators - DC DC Switching Regulators Overview

The R1210N221A-TR-FE is a PWM step-up DC/DC converter manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 0.8V to 8V and provides a fixed output voltage of 2.2V at up to 400mA. The device utilizes a SOT-23-5 package and belongs to the R1210N series, designed for efficient power conversion in portable applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a PWM step-up DC/DC converter topology for efficient voltage boosting
• Supports wide input voltage ranges suitable for single-cell battery operation
• Delivers fixed output voltage regulation within a compact surface-mount package

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring voltage boosting from low input sources
• Battery-powered systems utilizing single-cell lithium-ion or lithium-polymer batteries
• General-purpose power management in compact consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TR-FE' against official datasheets to confirm reel packaging and material compliance. Ensure the fixed 2.2V output variant matches the design requirement, as other output voltages exist within the same series. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.2V output is required from inputs ranging down to 0.8V. The SOT-23-5 package suits space-constrained designs. Consider the internal switching frequency and external component requirements specified in the datasheet for filter design. Verify thermal performance under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the R1210N series of switching voltage regulators from Nisshinbo Micro Devices. The series focuses on high-efficiency step-up converters for portable applications. The R1210N221A specifically denotes the 2.2V fixed output version, distinguishing it from other variants with different output voltages or features within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other R1210N series parts with identical pinouts but different output voltages if system flexibility allows. Verify electrical compatibility before swapping. No alternative manufacturers are explicitly confirmed as direct replacements in the provided documentation.