ISL95816IRZ

Special Purpose Regulators Overview

The ISL95816IRZ is a single-output VR12.5 compliant voltage regulator controller utilizing Robust Ripple Regulator (R3) technology. It operates within an input voltage range of 4.5V to 28V and provides an adjustable output voltage from 0.5V to 2.3V. The device supports 1-phase configurations and is housed in a 32-QFN (4x4mm) package with exposed pad. It functions across a temperature range of -40°C to 100°C.

Special Purpose Regulators Feature Summary

• Implements Robust Ripple Regulator (R3) technology for enhanced transient response and variable switching frequency during load transients.
• Supports DCR current sensing with single NTC thermistor compensation or discrete resistor current sensing.
• Features programmable parameters including V_BOOT, I_MAX, voltage transition slew rate, and switching frequency.

Special Purpose Regulators Applications

• VR12.5 compliant microprocessor core power supplies
• Single-phase voltage regulator designs

Special Purpose Regulators Procurement Notes

Verify component authenticity through authorized channels as the ISL95816IRZ is listed as obsolete. Confirm specific revision levels against official datasheets due to potential manufacturing changes documented in Product Change Notices. Ensure storage conditions respect Moisture Sensitivity Level 3 requirements prior to soldering.

Special Purpose Regulators Selection Notes

Select this controller for applications requiring strict adherence to Intel VR12.5 specifications with single-phase topology constraints. Consider the R3 modulation benefits for dynamic load scenarios. Evaluate thermal management needs given the 100°C upper operating limit and QFN package characteristics.

Special Purpose Regulators Part Context

Part of the Renesas Intersil portfolio focusing on CPU core power management. Utilizes proprietary R3 modulation to replace traditional PWM schemes, offering improved efficiency and faster settling times compared to legacy controllers in similar form factors.

Special Purpose Regulators Replacement Considerations

The ISL95816IRZ is marked as obsolete. Verify direct pin-compatible or functionally equivalent replacements such as the ISL95816HRZ-T if tape-and-reel packaging is required, ensuring all electrical parameters match the design requirements.