ISL9001AIRRZ-T

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

The ISL9001AIRRZ-T is a single-channel Low Dropout (LDO) linear regulator manufactured by Intersil, designed for low-power portable applications. It delivers a fixed 1.5V output voltage with a maximum load current of 300mA. The device operates within an input voltage range of 2.3V to 6.5V and features extremely low quiescent current of 25µA. Key electrical parameters include high Power Supply Rejection Ratio (PSRR) of 90dB at 1kHz, typical dropout voltage of 200mV at full load, and output noise of 30µVRMS. It ensures ±1.8% accuracy over operating conditions and includes built-in thermal shutdown and current limit protection.

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

• Ultra-low quiescent current consumption for extended battery life
• High power supply rejection ratio for clean power delivery
• Stable operation with small ceramic output capacitors
• Integrated soft-start and protection mechanisms

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

• Portable instruments and handheld devices
• Cell phones and smart phones
• MP3 players and personal digital assistants

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

Verify the specific suffix 'R' against official datasheets to confirm reel packaging specifications and tape-and-reel dimensions. Ensure compatibility with RoHS compliance standards and check for any product discontinuation notices or end-of-life status from Renesas Electronics. Confirm that the lead time aligns with project requirements due to potential supply chain constraints.

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

Select this component when a fixed 1.5V rail is required with minimal static current draw. It is suitable for noise-sensitive analog sections in portable electronics where high PSRR is critical. Consider the 2mm x 3mm DFN package size for space-constrained designs requiring stable performance with standard ceramic capacitors.

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

This part belongs to the ISL9001A series of high-performance LDO regulators. It shares architectural similarities with other variants in the family but differs in output voltage and package options. The series is characterized by low noise and high PSRR, targeting mobile and consumer electronics markets previously served by Intersil before its acquisition by Renesas.

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

ISL9001AIRBZ-T: Fixed 1.5V output, similar performance profile.

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

What is the minimum output capacitance required for stability?

The regulator is stable with output capacitance ranging from 1µF to 10µF, provided the Equivalent Series Resistance (ESR) is up to 200mΩ.

Does the device include protection features?

Yes, it includes current limit protection and thermal shutdown to safeguard the device under fault conditions.