ISL9011AIRFJZ

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

The ISL9011AIRFJZ is a dual low-dropout (LDO) linear voltage regulator from the ISL9011A series, manufactured by Renesas Electronics. It features two independent positive fixed output channels with a maximum output current of 150 mA per channel. The device operates within an input voltage range of 2.3 V to 6.5 V and provides fixed output voltages of 2.5 V and 2.8 V. It utilizes a 10-lead DFN (3x3 mm) package with exposed pad for surface mount installation. Key electrical characteristics include a typical dropout voltage of 250 mV at 150 mA, line regulation of 0.2%, and load regulation of 1%. The unit supports an operating temperature range from -40°C to +85°C.

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

• Dual-channel architecture providing independent regulated outputs in a compact footprint
• High power supply rejection ratio (PSRR) suitable for noise-sensitive analog circuits
• Integrated thermal protection and overcurrent limiting for enhanced reliability
• Low quiescent current operation to minimize standby power consumption

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

• Portable battery-powered electronic devices requiring efficient voltage regulation
• RF front-end modules needing low-noise power supplies
• Embedded systems utilizing microcontrollers and memory components
• Wireless communication equipment requiring stable DC voltage rails

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

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeits. Confirm RoHS compliance status and lead-free finish specifications against current datasheet revisions. Check for end-of-life notices or obsolescence warnings prior to procurement. Ensure packaging type matches production requirements, as reel or tube options may vary by specific suffix. Validate moisture sensitivity level handling procedures during storage and assembly.

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

Select this component when dual isolated LDOs are required in space-constrained designs. Compare dropout voltage specifications against minimum input-output differential requirements. Evaluate noise performance metrics if powering sensitive RF or audio sections. Consider thermal dissipation capabilities based on expected load currents and ambient temperatures. Verify output voltage accuracy tolerances meet system precision needs.

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

The ISL9011AIRFJZ belongs to the ISL9011A family of dual LDO regulators designed for portable applications. This series emphasizes low noise and high PSRR to support demanding analog loads. The part integrates standard protections including thermal shutdown and current limit. It replaces older Intersil designs following corporate acquisitions. The DFN package facilitates automated surface-mount assembly processes.

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

Direct substitutes include other dual LDOs with matching pinouts and electrical parameters. Verify equivalent output voltage combinations and current ratings before substitution. Cross-reference thermal resistance values to ensure adequate heat dissipation in similar PCB layouts.