ISL6455AIRZ

Special Purpose Regulators Overview

The ISL6455AIRZ is a triple output regulator featuring a single synchronous buck converter and dual low-dropout (LDO) regulators. Manufactured by Intersil, now part of Renesas Electronics, this component is designed for specialized power management applications requiring multiple voltage rails from a single package. It operates within an industrial temperature range of -40°C to +85°C and utilizes a surface-mount 24-QFN package. The device supports I2C digital interface configuration for flexible setup. Note that this specific part number is listed as obsolete or end-of-life in current distributor catalogs.

Special Purpose Regulators Feature Summary

• Integrates one synchronous buck converter with two independent LDO outputs for compact multi-rail designs
• Features I2C digital interface for programmable control and monitoring of output parameters
• Provides high voltage accuracy and stability suitable for sensitive digital loads

Special Purpose Regulators Applications

• Embedded systems requiring simultaneous core, I/O, and analog power supplies
• Industrial control modules needing isolated regulation stages
• Communication equipment with mixed-signal power requirements

Special Purpose Regulators Procurement Notes

Verify availability carefully as the ISL6455AIRZ is widely listed as obsolete or end-of-life by major distributors. Check for last-time buy notifications or alternative manufacturer stock. Ensure the source document confirms the exact suffix 'AIRZ' matches your design requirements, as packaging or revision changes may affect compatibility. Cross-reference with Renesas official discontinuation notices before finalizing procurement plans.

Special Purpose Regulators Selection Notes

Select this component only if legacy compatibility is required or if the specific integration of one buck and two LDOs fits the board space constraints. Evaluate whether newer Renesas PMICs offer similar functionality with better availability. Confirm that the 24-QFN footprint matches the existing PCB layout. Consider thermal performance implications of integrating three regulators in a small package.

Special Purpose Regulators Part Context

The ISL6455AIRZ belongs to the Intersil/Renesas portfolio of special-purpose regulators. It represents a transition period product where integrated solutions were favored for reducing component count in complex digital systems. As Intersil was acquired by Renesas, support and documentation are managed under the Renesas brand, though the original Intersil naming conventions remain in use for identification.

Special Purpose Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly provided in the available source data. Consult Renesas official cross-reference guides for modern equivalents. Verify pin-to-pin compatibility if considering direct replacements from other manufacturers.