R1800K019A-TR

Special Purpose Regulators Overview

The R1800K019A-TR is a low quiescent current buck DC/DC converter from the Nisshinbo Micro Devices R1800K series, designed for energy harvesting applications. It operates with an input voltage range of 2 V to 5.5 V and provides a fixed output voltage between 2 V and 4.5 V. The device delivers an output current of 1 mA with a maximum static current of 144 nA. Packaged in a DFN-2730-12 format, it functions as an ultra-low power step-down converter without shutdown capability.

Special Purpose Regulators Feature Summary

• Ultra-low quiescent current consumption optimized for energy harvesting systems
• Buck topology step-down DC/DC conversion capability
• Wide input voltage operating range supporting variable source conditions

Special Purpose Regulators Applications

• Energy harvesting circuits
• Low power sensor nodes
• Battery-powered IoT devices

Special Purpose Regulators Procurement Notes

Verify the specific package variant and manufacturing date code upon order confirmation. Ensure compatibility with the intended PCB footprint for the DFN-2730-12 housing. Confirm RoHS compliance status through official documentation before integration into regulated assemblies.

Special Purpose Regulators Selection Notes

Select this component when extremely low standby current is critical for extending battery life or maximizing harvested energy efficiency. The fixed output configuration suits applications requiring stable low-voltage rails without external programming resistors. Consider thermal management requirements despite the low current rating.

Special Purpose Regulators Part Context

This part belongs to the R1800K series of switching regulators from Nisshinbo Micro Devices. The series focuses on ultra-low power consumption for portable and energy-constrained electronics. The R1800K019A-TR specifically targets applications where minimal self-discharge during idle periods is essential for system longevity.

Special Purpose Regulators Replacement Considerations

Check datasheets for alternative parts within the R1800K family offering different fixed output voltages. Verify pinout compatibility if substituting with other DFN-2730-12 regulators from different manufacturers.