UPC1944T-E2-AZ

Overview

The UPC1944T-E2-AZ is a shunt precision voltage reference manufactured by Renesas Electronics. It operates within an adjustable output voltage range of 2.16 V to 24 V and maintains an initial accuracy of 2.4%. The device supports a maximum series input voltage (VREF) of 1.29 V and handles a maximum shunt current of 30 mA. It functions reliably across a temperature range from -30°C to +85°C and is housed in an SOT-89-3 surface-mount package.

Feature Summary

• Provides stable shunt regulation for precision analog circuits
• Offers adjustable output voltage capability within specified limits
• Designed for surface-mount integration in compact layouts

Applications

• Precision measurement systems requiring stable reference voltages
• Data acquisition circuits needing accurate voltage benchmarks
• Power management ICs utilizing shunt regulation principles

Procurement Notes

Verify the specific suffix AZ against official Renesas documentation to confirm exact manufacturing lot or compliance variations. Ensure the ordering part number matches the required package type and temperature grade. Cross-reference with authorized distributors to confirm current availability status and lead times, as supply chain conditions may affect immediate procurement.

Selection Notes

Select this component when a shunt-type reference with adjustable output up to 24 V is required. Consider the 30 mA maximum shunt current limit for power dissipation calculations. Verify that the 2.4% initial accuracy meets system tolerance requirements. Confirm compatibility with the SOT-89-3 footprint during PCB layout design.

Part Context

This part belongs to the UPC1944T series of shunt precision references from Renesas Electronics. These devices are categorized under PMIC voltage references. The series is designed for applications requiring reliable voltage regulation in a small surface-mount form factor, supporting industrial and commercial temperature ranges.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas documentation or authorized distributor cross-reference tools for potential alternatives.