ISL9005AIRBZ-T

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

The ISL9005AIRBZ-T is a single-output low dropout (LDO) voltage regulator manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 2.3 V to 6.5 V and provides a fixed output voltage of 1.8 V. The device supports a maximum output current of 150 mA with a typical quiescent current of 32 µA. It features a maximum dropout voltage of 300 mV at 300 mA load conditions. The component is housed in an 8-lead DFN package and is rated for operation between -40°C and +85°C.

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

• Single-channel LDO architecture designed for low noise and high power supply rejection ratio applications
• Integrated thermal shutdown and overcurrent protection mechanisms for enhanced system reliability
• Fixed output voltage configuration eliminates external resistor requirements for standard voltage rails

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

• Portable battery-powered consumer electronics requiring efficient power management
• RF and communication modules needing stable, low-noise voltage supplies
• Embedded systems utilizing microcontrollers or sensors with strict power constraints

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

Verify the specific suffix 'BZ' against the official datasheet to confirm package type and tape/reel specifications. Confirm end-of-life status as discontinuance notices may affect long-term availability. Ensure compatibility with existing PCB footprints before procurement.

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

Select this component when a fixed 1.8 V rail is required with minimal external components. Consider the 150 mA current limit and 300 mV dropout voltage against the minimum input voltage available in the design. Evaluate the 8-DFN package size against board space constraints.

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

This part belongs to the ISL9005A series of low-dropout regulators from Renesas. These devices are engineered for portable applications where low quiescent current and high PSRR are critical. The series typically includes variants with different fixed output voltages and packaging options.

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

Check for direct pin-compatible alternatives within the ISL9005 family that offer different output voltages if the 1.8 V specification changes. Verify electrical parameter equivalence for any cross-brand replacements.