ISL9003AIRUNZ-T

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

The ISL9003AIRUNZ-T is a low-dropout linear regulator manufactured by Renesas Electronics Corporation. It provides a fixed positive output voltage of 3V with a maximum output current of 150mA. The device operates within an input voltage range of 2.3V to 6.5V and features a typical dropout voltage of 0.325V at full load. It is housed in a compact 6-UTDFN package measuring 1.6x1.6mm. The component supports an operating temperature range from -40°C to +85°C and includes protection features such as overcurrent limiting and thermal shutdown.

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

• Compact surface-mount design in a 6-UTDFN package for space-constrained applications
• Integrated overcurrent and thermal protection mechanisms for system reliability
• Low quiescent current operation suitable for battery-powered devices

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

• Portable consumer electronics requiring stable 3V logic supplies
• Battery-operated handheld devices needing efficient power management
• Embedded systems utilizing low-noise linear regulation

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

Verify the obsolete status and end-of-life notifications prior to procurement, as discontinuation may limit future availability. Confirm that the 6-UTDFN footprint matches the target PCB layout exactly. Ensure compliance with RoHS directives if required by the final assembly specifications. Review the datasheet for any specific handling or storage requirements associated with the package type.

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

Select this component when a fixed 3V output is required with moderate current demands up to 150mA. The small 1.6x1.6mm footprint makes it suitable for dense layouts where larger packages are impractical. Consider the dropout voltage characteristics relative to the minimum input voltage available in the system. Evaluate the thermal performance within the intended enclosure to ensure safe operation under maximum load conditions.

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

This part belongs to the ISL9003 series of low-dropout regulators designed for portable applications. It complements other Renesas PMIC offerings by providing a simple, cost-effective solution for single-output regulation. The series emphasizes low noise and high power supply rejection ratio (PSRR) to protect sensitive analog circuits from digital switching noise.

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

Consult official manufacturer documentation for confirmed substitute part numbers. Cross-reference pinouts and electrical specifications carefully before substituting.