R1800K022A-TR

Overview

The R1800K022A-TR is a buck DC/DC converter from the Nisshinbo Micro Devices R1800K series, designed for energy harvesting applications. It features an input voltage range of 2 V to 5.5 V and provides an adjustable output voltage between 2 V and 4.5 V. The device delivers a maximum output current of 1 mA with a low quiescent current of 144 nA. It utilizes a DFN-2730-12 package and operates without a shutdown function.

Feature Summary

• Ultra-low quiescent current consumption optimized for energy harvesting systems
• Adjustable output voltage capability within specified limits
• Buck topology step-down DC/DC conversion

Applications

• Energy harvesting power management
• Low-power sensor nodes
• Battery-backed IoT devices

Procurement Notes

Verify the specific part number against official Nisshinbo Micro Devices documentation to confirm pinout compatibility and electrical specifications. Ensure the DFN-2730-12 package footprint matches your PCB design requirements. Cross-reference datasheet revisions to validate performance parameters under intended operating conditions.

Selection Notes

Select this component when ultra-low standby current is critical for energy-constrained applications. The adjustable output voltage allows flexibility in system design. Verify that the 1 mA output current meets load requirements. Consider thermal performance within the small DFN package for high ambient temperatures.

Part Context

Part of the R1800K series, which includes variants like R1800K008A-TR and R1800K019A-TR. These share similar low-power characteristics but differ in fixed or adjustable output configurations. The series targets niche markets requiring minimal self-consumption in portable and wireless devices.

FAQ

Does the R1800K022A-TR include a shutdown pin?

No, the R1800K022A-TR does not feature a shutdown function according to available specifications.

What is the maximum output current capability?

The device supports a maximum output current of 1 mA.