ISL9003AIRUBZ-T

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ISL9003AIRUBZ-T is a single-output low dropout linear regulator manufactured by Intersil, now part of Renesas Electronics. It provides a fixed 1.5V output with a maximum load current of 150mA. The device operates within an input voltage range of 2.3V to 6.5V and features a typical dropout voltage of 200mV at full load. It utilizes a compact 6-pin UDFN package (SC70-6) suitable for surface mount applications. The component supports an operating temperature range from -40°C to +85°C and includes internal protection mechanisms.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Delivers high power supply rejection ratio (PSRR) to minimize noise coupling in sensitive circuits
• Maintains stable operation with low quiescent current for improved energy efficiency
• Ensures low output noise characteristics suitable for precision analog and RF applications

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Powering portable consumer electronics requiring efficient voltage regulation
• Supplying bias voltages for radio frequency (RF) modules and sensors
• Providing clean power rails for microcontrollers and digital signal processors

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the manufacturer source carefully as Intersil operations are integrated into Renesas Electronics. Confirm the specific suffix 'AIRUBZ-T' matches the required package type and temperature grade. Check for obsolescence notices or lifecycle status updates directly from official distributor channels before finalizing procurement plans.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 1.5V rail is required with strict noise sensitivity constraints. Ensure the input voltage remains within the specified 2.3V to 6.5V window. Verify that the 150mA current demand does not exceed the thermal limits of the UDFN package under expected ambient conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This regulator belongs to the ISL9003A series, designed for low-noise performance in space-constrained designs. It complements other LDOs in the portfolio by offering a balance of low IQ and high PSRR. The SC70-6 footprint allows for dense PCB layouts common in modern mobile and wearable devices.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include ISL9003AIRUCZ-T for alternative packaging variants within the same electrical specification family. Cross-reference with Renesas ISL9003 series datasheets to ensure pin compatibility and thermal performance alignment.