ISL9011AIRKJZ-T

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

The ISL9011AIRKJZ-T is a dual low-dropout (LDO) linear voltage regulator manufactured by Renesas Electronics Corporation. It features two independent output channels with fixed voltages of 2.85V and 1.8V, capable of sourcing 150mA and 300mA respectively. The device operates within an input voltage range of 2.3V to 6.5V and maintains a typical dropout voltage of 250mV at full load. Designed for low-noise applications, it includes a reference bypass pin for external noise filtering. The component is housed in a compact 10-lead DFN package measuring 3mm x 3mm and supports operation from -40°C to +85°C.

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

• Dual-channel architecture providing independent 150mA and 300mA outputs for simultaneous power rail generation.
• Low quiescent current consumption with high power supply rejection ratio (PSRR) for sensitive analog circuits.
• Integrated reference bypass pin allows external capacitor connection to optimize noise performance and stability.
• Comprehensive protection mechanisms including overcurrent limiting, thermal shutdown, soft-start, and under-voltage lockout.

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

• Portable battery-powered devices requiring efficient multi-rail power management
• Wireless communication modules needing low-noise stable voltage supplies
• Embedded systems utilizing mixed-signal processors or microcontrollers
• Industrial control equipment operating in varying temperature environments

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

Verify the specific suffix configuration against official Renesas documentation to ensure correct output voltage combinations and packaging type. Confirm end-of-life status and last-time-buy dates through authorized distributors, as availability may be restricted. Cross-reference the datasheet revision history to validate electrical parameters and pinout compatibility before finalizing procurement orders.

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

Select this component when designing systems that require two distinct regulated voltages from a single source without complex switching regulators. Ensure the input voltage remains within the specified 2.3V to 6.5V range to maintain regulation. Verify that the required output capacitance falls between 1µF and 10µF with appropriate ESR characteristics to guarantee stability. Consider the thermal dissipation capabilities of the DFN package based on the expected load currents and ambient temperature conditions.

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

This part belongs to the ISL9011A series of dual LDO regulators, designed for high-performance power management in space-constrained applications. The series emphasizes low noise and high PSRR, making it suitable for RF and precision analog sections. Manufactured by Renesas, formerly Intersil, these components integrate advanced protection features while maintaining a small footprint to support modern miniaturized electronic designs.

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

Check for direct substitutes within the ISL9011 family with compatible output voltages. Evaluate alternative dual LDOs from other manufacturers ensuring similar current ratings, package dimensions, and electrical specifications. Verify pin-to-pin compatibility and thermal performance before implementing any cross-brand replacement solutions.