ISL9003AIRURZ-T

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

The ISL9003AIRURZ-T is a high-performance single low-noise, high PSRR LDO voltage regulator from Renesas. It delivers a continuous load current of 150mA with an output voltage range of 1.5V to 3.3V. The device features a reference voltage of 1V and a PSRR of 90dB. Load regulation is specified at 0.1%. It operates within a temperature range of -40°C to 85°C and utilizes a uTDFN-6 package measuring 1.6mm in length.

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

• Provides high power supply rejection ratio (PSRR) for noise-sensitive applications
• Maintains stability with ceramic output capacitors up to 200mΩ ESR
• Features low standby current consumption for energy efficiency

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

• Noise-sensitive analog circuits
• Portable battery-powered devices
• Communication equipment requiring clean power rails

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

Verify the exact output voltage setting against the specific suffix code, as the base model supports a range. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the manufacturer part number with official Renesas documentation to avoid counterfeit components.

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

Select this component when low noise and high PSRR are critical for signal integrity. It is suitable for applications requiring stable operation with small ceramic capacitors. Consider the 150mA current limit and fixed output voltage options during design. Evaluate the thermal performance within the specified ambient temperature range for reliable long-term operation.

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

This part belongs to the ISL9003A series of low-dropout regulators designed for high performance. It is manufactured by Renesas Electronics Corporation, formerly Intersil. The series focuses on delivering clean power with minimal quiescent current. It is commonly used in systems where power supply noise must be strictly controlled.

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

Check for direct substitutes such as the ISL9003AIRUNZ-T variant. Verify pin compatibility and electrical specifications before substitution. Ensure the replacement maintains the same package dimensions and thermal characteristics.