ISL9011AIRKFZ

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

The ISL9011AIRKFZ is a dual low-dropout linear regulator from the Renesas ISL9011A series, housed in a 10-lead DFN (3x3 mm) package. It provides fixed output voltages of 2.8V and 1.85V with maximum output currents of 150mA and 300mA respectively. The device operates within an input voltage range of 2.3V to 6.5V and features a typical dropout voltage of 250mV at 300mA. It includes an enable/shutdown control pin and offers protection against overcurrent, thermal overload, and undervoltage lockout.

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

• Dual-channel architecture providing independent regulated outputs for multi-rail power requirements
• Low noise performance optimized for sensitive analog and RF circuit applications
• High Power Supply Rejection Ratio (PSRR) to minimize ripple and noise propagation
• Integrated enable functionality allowing precise power sequencing and system management

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

• Portable electronic devices requiring efficient multi-voltage regulation
• RF modules and wireless communication systems needing low-noise power supplies
• Embedded systems utilizing microcontrollers and memory components
• Industrial control equipment operating in harsh environments

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

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and lead-free specifications match project requirements. Check moisture sensitivity level handling procedures during storage and assembly. Validate package dimensions against PCB footprint designs to ensure mechanical compatibility.

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

Evaluate input-output voltage differentials to ensure operation within specified dropout limits. Consider total quiescent current impact on battery life for portable applications. Assess thermal dissipation capabilities based on ambient temperature and load conditions. Verify that required output voltages align with available fixed options in the datasheet.

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

Part of the ISL9011A family designed for low-power, high-performance applications. Manufactured by Renesas Electronics Corporation, formerly Intersil. Utilizes advanced CMOS technology for improved efficiency and reduced noise compared to older bipolar LDOs. Suitable for space-constrained designs due to compact DFN packaging.

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

Check for direct cross-references in manufacturer substitution guides. Evaluate alternative dual LDOs with similar pinouts and electrical characteristics if this part is unavailable. Ensure replacement parts meet same noise and PSRR specifications for critical signal integrity.