ISL9001IRFZ-T

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

The ISL9001IRFZ-T is a single-output low dropout linear regulator manufactured by Renesas Electronics. It provides a fixed 5V output 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 typical. It offers high power supply rejection ratio (PSRR) of 90dB at 1kHz and low output noise of typically 30µV RMS. The regulator includes soft-start, current limit, and thermal protection functions.

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

• Integrates high-performance LDO with excellent transient response to large current steps
• Provides very high PSRR and low output noise for sensitive applications
• Features extremely low quiescent current and shutdown current for portable equipment
• Includes programmable delayed Power-On Reset (POR) function

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

• Portable wireless equipment requiring low standby current
• Noise-sensitive analog circuits needing high PSRR
• Battery-powered systems utilizing wide input voltage capability

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

Verify the specific suffix 'IRFZ' against official Renesas documentation to confirm package type and temperature grade. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure the ordering part number matches the required output voltage and pin configuration before procurement.

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

Select this component when a single 5V rail is needed with 300mA capacity. It is suitable for designs prioritizing low noise and high PSRR over efficiency. Consider the 2.3V minimum input voltage constraint relative to battery discharge curves. Verify that the external capacitor requirements for stability and POR timing align with system constraints.

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

This part belongs to the ISL9001 series of low dropout regulators. The series is characterized by high performance in small packages, targeting portable electronics. It shares architectural similarities with other single-channel LDOs but is distinct in its specific 5V fixed output option and 300mA current rating.

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

Check for direct cross-references in Renesas's product change notices. Alternative single-channel 300mA LDOs from other manufacturers may require verification of pin compatibility and electrical parameter margins.